I did the headliner job on my 2001 XJ some 3 yrs ago. It is good to have a second person to help. Otherwise pretty straightforward - it took a few hours of work. No issue with it since.
A few years from now the only people that will still have properly running XJ's are the people who kept them stock, garaged and never lifted them. When that day comes they will have something that will be worth more than when it was brand new. These were never meant to be full-time off-road vehicles, they were meant to be small grocery getter vehicles that could become off-roaders in a pinch if the situation presented itself. You know, for all of those paranoid American soccer mom preppers back in the 80's and 90's. There was a massive blizzard in the Northeast of 1978 called the blizzard of 78'. Maybe they were thinking about this when they designed this, forst of it's kind small SUV back in the day.
They’re definitely good on road and off road. I’m sure there will still be modified XJs that are properly running in a few years, just depends on how well the owner took care of it
We have a 2000 XJ, we are the original owner with the original 0331 head, no crack, but has never been overheated. 372,XXX miles so far, same color! MPG is 13-15 city, 19-21 mpg highway, have calculated almost every fill up mpg. All stock 4 x 4, with the original, untouched AW4 & 4.0.
I had an ‘01 similar to yours but in silver. I too had the headliner issue, as well as the rear main seal leak. Never had the downshift issue, but I didn’t put bigger tires or a lift. Nor did I have the highway float issue. There again, mine was in FL all her life even with her being 4x4. I really miss my XJ and In-line 6. Best engine ever built. She met an untimely demise thanks to a Chevy Silverado spontaneously combusting and burning my XJ to a crisp.
@@KCars Yeah I was really heartbroken when it happened. Maybe someday I’ll find another one, or I’ll just buy my parent’s ‘04 Grand Cherokee. Very common issue with the Jeep’s that have the Inline 6’s. Even the older ones.
@@FBHSswimmer2006 you'll find another, plenty here in Arizona, I have a 2001 XJ.. daughter has a '97 one, she got me hooked(wish I could baby mine more..bucket list).😊
I have a 2000 XJ, (196,000 Miles) (Zero Rust). 4.5'' Lift and run 31's , regear if ya do a lot of Highway driving. I live in AZ and I daily drive mine in 110-115 heat . The only issue I have had in the past 8 years is heat soak on those 120 days. The one thing ya gotta watch with these XJ's is the oil pressure.
It’s not really the gearing that’s the issue it’s just the fact that it won’t downshift when it should. I’ve had a lot of people suggest that I need to adjust the kickdown cable. I’m kinda jealous that you have a completely rust free XJ lol thanks for watching!
@@KCars You Missed the Point my friend. The computer isn't sure when to down shift due to the larger tires (It thinks its in the proper gear). You can adjust the cable but that could effect in town driving and shifting too soon. Just an FYI (Action/Reaction)
For not shifting issue replace filter and get fresh new trans fluid and re correct tv cable and add some extra trans oil cooler you will be good to go i have 5.13 on rubi axles on same 2001 with custom full rubicon kit on my xj it runs like champ
my head liner sagged So I took out the head liner and cleaned all the glue off an painted it with gray house paint that my wife used to paint the kitchen. It is a perfect match to the visors and I no longer have to worry about the head liner sagging
One thing about the gas mileage is to use gumout in the can that looks like sea foam. It must of took like maybe 8 bottles bottles but I did see an increase of 30 KM a tank that lasts to this very day. I run 91 grade gas and use one of those gumout bottles a month. My 4.0 runs like it’s brand new with absolutely no ticking or anything other than a nice idle. I’d highly recommend to anybody to get the brand new 4 hole injectors.
Very clean jeep, the cracking head is definitely something to be careful of, my previous Jeep didn’t run well and I’m 90% sure it’s cause it was cracked, maybe time to swap the motor for a stroker build! my current xj is a 99 and it has almost double the mileage of my previous jeep but runs way better with better fuel efficiency even though it has bigger tires.
I replaced the bottom end on my 2000 with 230k miles because the previous owner ran it low on oil. The original head looked brand new with no sign of cracking, so I did a valve grind to it and threw it right back on, and it's still doing great thousands of miles later. I think that lots of XJ owners trash their fan shrouds since they're prone to breaking (they're like 30 bucks new, not sure why you wouldn't just replace it) and run them low on coolant since the water pumps/thermostat housings tend to leak, run them low on coolant which causes them to overheat then they blame the head for it.
@@willthecardude6900 yea that very well could be the case, but even amc knew it was flawed cause they went back to the thicker head shortly after, in the 2000 to like 04 I believe (including the engines used in the wranglers) they made the casting too thin between each cylinder, so in an overheating situation it’s more prone to crack. But the engines for the most part are bullet proof anyways so you have to be seriously mistreating it to screw it up. But that fan shroud man, I hate how brittle they are…. Broke it on old Jeep luckily they are fine in my current xj.
@@jacob.woodward Yeah, a head shouldn't crack regardless of how bad it's overheated, I agree with that part but I think even a non TUPY head is fine as long as it's not badly overheated, my 240k head is a testament to that. I feel like a lot of people don't realize that the fan shroud is there for a reason though, I see so many people remove it, they're dirt cheap and the aftermarket one I got for 30 bucks actually directs air better than the stock one believe it or not since it's beefier.
2000 and 2001s have the 0331 cylinder head that tends to crack at cylinder 3. A TUPY swap or a Clearwater cylinder head replacement or any brand new 0331 cylinder head is the fix to make them bulletproof. Don’t forget to buy new head bolts because they’re torque to yield.
For some reason my highway driving experience hasn’t been like that in my Jeep. Mine doesn’t like to downshift whenever I gun it at highway speeds so it’ll barely accelerate. I think I need to just adjust the kickdown cable
Do your harmonic balancer if you still have the stock on it still. I replaced everything to do with the cooling system. It's 20 years old you have all new fans
Cheap fix for headliner is thumbtacks. Old fashion flat ones. Just stick them into the foam above the headliner. Mine looks like button tuck, kinda neat.
I have a 1998 XJ with 483000 kilometers on it (300000 miles). I had the same issue with the cooling fans but had them replaced when my Jeep stalled out on me when I was stuck in traffic in the dead of summer heat. The only problem I continue to have is needing to replace ball joints every year. I do drive a lot. I think you should have avoided the 2001. 97 to 99 is the way to go. Nice Jeep though!
Thanks! So far I haven’t had any major issues with my 2001. Never stalled out on me but it did have some idling issues when I had it out in around 95 degree weather when the electric fan wasn’t working
Regarding that lack of acceleration...... you very likely have 3.55:1 ring and pinion sets, but with the bigger tires, a change to 4.10:1 will make a pretty significant improvement. Some will say that 3.73:1 is a good choice, but from personal experience, the difference isn't enough to justify the cost and effort.
I’ve heard that regearing for 31s won’t make much of a difference which is why I haven’t done it. I think I just need to adjust the kickdown cable to fix the issue
The 0311 head on the 00-01 models can crack even if it doesn't overheat but majority of the ones that had cracked heads early on got TUPY heads as replacements and you can check this by looking straight down for the letters TUPY cast into the head through the oil fill hole.
Another thing to look into for better performance on the highway, is an intake manifold swap, and fuel injector upgrade. The 4.0 HO intake flows a little better, and is direct bolt on. You'll have to reroute a couple vacuum lines though. As for the injectors, the Dodge Neon injectors are direct swap but have 4 holes in the nozzle. This will greatly improve fuel atomization.
@@scottdoubleyou563 His being a 01 already has the highest flowing 99+ intake manifold the only downside for his setup is it being a 01 it has the later more restrictive dual cat header setup instead of the older federal emission single cat setup 87-00s had. As for fuel injectors ksuspension makes 12hole injector kits for the 4.0 now.
Worst is the heating. Mine runs amazing and never over heats through actual operation of the vehicle other than sitting idle at a red light in the summer. I did everything like new rad ,water pump, hoses, tranny cooler,new clutch fan. You could always pop the hood open a crack when crawling or trail riding. I personally think with all I’ve the above and hood vents that there will always be a small percentage of it running hot at an idle or 4 low.
My 1999 XJ 2x4 has issues with the SKIM module, when there is too much heat, the antenna doesn't read the key properly and just locks, so it turns on for a couple of seconds then turns off... it is cool for when they try to steal it, but I can't trust it to make a long trip, because sometimes it happens when it is running, in that case it doesn't turn off immediately, but if I stop or stall for a minute, it does turn off... that really sucks, I bought it to take long trips and I can't really rely on it, other than that, the thing works in the city just perfectly.
I have a 2000 xj I bought it last summer and it didn’t run properly when i bought it It overheated and the head cracked within the first 3 months the radiator also cracked And the ac didn’t work so we replaced the ac compressor. Sense putting a rebuilt head and replacing the radiator the only issues I’ve had are smaller common things. The window buttons on all passenger doors don’t work always. I believe the window lock malfunctions and must people just bypass it on all doors so they work you can get a new switch set for the drivers door but it’ll probably give out again My drivers window has been working off and on lately so I’m getting a new motor for it that should fix it. My knob for climate control only worked on full blast for the last few months and I ordered a blower resister to fix that but in the last week it quit working on the highest setting it won’t blow hot or cold ever. I’m still hoping the resister will fix it but I’m not sure lol. and after it overheated the electric fan was running always but today it quit so now I’m trying to figure out how to fix that😂 it also has the rear bumper rust and door rust and the headliner is sacking. I love my Jeep but it’s definitely been a work in progress I’m glad that I’m a person that enjoys working on cars and I want the experience and I’m thankful for it. But it can be frustrating if you let it or if you don’t have time or money to always be fixing. And also on the rear one of the top screws for your shock mount was twisted off when i bought my Jeep and that’s a common problem my cousin has a xj with the same issue. You can get a piece to fix it but again it’s another thing to have to find time to do
To be honest I don’t pay attention to fuel economy in my Jeep. Ive heard people say that it’s not the greatest on gas but I haven’t noticed it being good or bad
The problems you mentioned with highways are odd. I have a '98 4x4 Classic, stock ride height with 31's squeezed under there. I have no problems with kick down, acceleration, or braking, which is great considering I have to use the highway to get to town. Rust is no issue 'cause #ArizonaGang. Funnily enough though, as long as I'm on top of coolant and oil (which you should be anyway), I have no problems with overheating in the >100° summers here
Good to hear that you don’t have any issues. I definitely need to get my kickdown cable adjusted and see if that helps. I probably also need to get my brakes replaced as well. You’re lucky for having no rust issues lol. I’m getting most of the cooling system replaced next week as well as getting a coolant flush. Thanks for watching!
Beautiful Patriot Blue XJ! AZ XJ here as well. 2k limited. Zero rust, but my patriot blue has lost the battle with the scorching sun. I may have it painted or do the tintable raptor liner. It was a beautiful color when clean and waxed. As long as the cooling system is maintained, I’ve never had an issue in the 100+ temps we see. I’ve had it for 8 years and I’ve been able to fix everything that broke, which hasn’t been much, in my driveway and I’m not a mechanic. These things are just easy to work on and there’s so much info out there to help you diagnose and fix them on your own.
Thanks! My favorite color for an XJ. I guess there’s a trade off with no rust, sometimes you have to deal with the fading paint because of the sun. And I agree they are pretty easy to work on even for me with little experience. Thanks for watching!
@@first6982 Mine is Hunter Green. Which looks great on it's own, but I think it looks better with the wear and tear. On my fenders, the top coat has kinda worn away and now that gold speckle base coat is showing. I might let it wear down a little more before I get my clear coat refreshed
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So glad someone else noticed this. After about 1.5 hours of highway speeds and I get almost unbearable heat from the entire front end into the cabin. I've never gone over 210 temps, it's just that firewall being so small. Kinda low on my list of problems though
Interesting I Would never go back to the Clutch fan with the level of work you are willing to go i would go to two electric fans there is the slot for the stock fan and there is one hole to drill a bracket that needs to be filed and you are is Better MPG more horse power (or less wasted from the clutch fan) better cooling over all a good choice and it looks like the rock guard is missing from the fuel tank if so i really look to replace that the tank in gust the right location for a rock Strike the Kick down cable adjustment is easy to do but the big secret is that the jeep can do about 90 miles an hour the hangup is that the suspension system was designed in the 1930s and even with MODs is not really designed for speeds above 60 miles per hour thanks for the look at your Jeep
I’ve thought about doing two electric fans and getting rid of the clutch fan but with this one I wanna stay completely stock with the cooling system. Are you referring to a skid plate for the gas tank? I didn’t know that they came with one stock. Thanks for watching!
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The rear wheel bearings go out and make a grinding howling sound. I've had two Cherokees '90 and '94 and both went bad. If left too long you'll need to replace the rear axles. KEEP WHEELING!
From my understanding the best year is the 2001 because final year car models get all the best parts that are laying around since they have to use them up before closing.
Do a coolant system flush then replace Radiator, fan clutch, all radiator hoses, electric fan, water pump, thermostat, thermostat housing and new temp sensor and add trans cooler and she’s good to go!
Should I replace the clutch, radiator, and temp sensor even if they seem to be working normally? I’ve always heard people say “If it ain’t broke don’t fix it”.
It wouldn't hurt. While you're at it, get under the dash on the passenger side, and check the heater core. It is likely the original piece, and could be clogged, hiding a potential leak. But definitely clean it either way.
I agree u have to give urself extra time to react and turn, ect. I drive on the highway every day with no sway bars on my ZJ. Ur not driving a sports car drive like it.
Yup. And a lot of people say that the XJ handles well but I feel like those people have never driven anything that actually handles well and don’t have anything to compare it to. It’s great at doing what it was built to do. Thanks for watching!
My main problem is dirt.. Myis always getting it dirty. Even after I just washed it. I swear I think it self drives itself to the trails when I'm asleep.. 🤣🤣bout to rip my headliner off right now
Not to knock this video but you talk about the cooling system a lot, but here so more info for you since my brother bought a 94 cherokee sport and all he wants to do is drive it. 1. Ignition switch it when out so the key will get stuck and won't move sometimes it will or won't at all you can find it on the steering shaft when you remove the gauge clutcher it's a pain but it there. 2. Oil filter adapter O-ring his jeep is leaking like crazy so you'll need a new O-ring I recommend get it from O'Reilly, a T60 star bit tool, and a wrench that will hold it you'll have to knock out the T60 out the socket it comes with or jack up engine if you can it's a very tight spot to work in. 3. Is a bonus if you're lifting your jeep and add daddy fat sacks tires on it for the love of God make sure you mount you rubber brake lines in a good spot so tires don't eat them that how my brother bought it and it was a pain fixing it because the previous owner I guess was like send it end up fixing one side and breaking the other side not the rubber but the line itself because none of them were mounted and they were just there
@@KCars yeah hope not I still haven't fix the O-ring issue because it's tight in the there you real have not even a inch to do it plus you'll need a breaker bar guy in a video I saw said they used red tread locker from the factory thought it was bs but it's not I guess
I have a 2000 XJ with a rebuilt 4.0 from a '99. The only issue with parts compatibility was the coil pack. The '99 head doesn't have the bosses to secure the coil pack to it. So far though it's not been an issue.
Haven’t had any of those issues luckily. I’ve heard of the transmission tube issue and I have a video showing how I removed mine: th-cam.com/video/sJLvMElRMmU/w-d-xo.html
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I did the headliner job on my 2001 XJ some 3 yrs ago. It is good to have a second person to help. Otherwise pretty straightforward - it took a few hours of work. No issue with it since.
It’s definitely on my list of things to do, don’t know when I’ll actually get to it though
Looks almost identical to my XJ. Love the Patriot Blue paint. Keep up the good work and take good care of that XJ there getting harder to find. 👍
My favorite XJ color. Will do, thanks for watching!
A few years from now the only people that will still have properly running XJ's are the people who kept them stock, garaged and never lifted them. When that day comes they will have something that will be worth more than when it was brand new. These were never meant to be full-time off-road vehicles, they were meant to be small grocery getter vehicles that could become off-roaders in a pinch if the situation presented itself. You know, for all of those paranoid American soccer mom preppers back in the 80's and 90's. There was a massive blizzard in the Northeast of 1978 called the blizzard of 78'. Maybe they were thinking about this when they designed this, forst of it's kind small SUV back in the day.
They’re definitely good on road and off road. I’m sure there will still be modified XJs that are properly running in a few years, just depends on how well the owner took care of it
When I was in middle school my friends dad would pick us up in his 01 grand cherokee and I feel in love with it, if I could get one I absolutely would
Those are nice too! What’s holding you back from getting one?
Great video and info
Thanks for watching!
We have a 2000 XJ, we are the original owner with the original 0331 head, no crack, but has never been overheated. 372,XXX miles so far, same color! MPG is 13-15 city, 19-21 mpg highway, have calculated almost every fill up mpg. All stock 4 x 4, with the original, untouched AW4 & 4.0.
Awesome, good to hear
To fix the highway problem, regear upto a 4:10 if running 31's that will vastly improve your gas mileage as well as performance
Thanks! I’m going to first try to adjust the kickdown cable to see if that fixes it. I wouldn’t like to regear if I don’t absolutely need to
I had an ‘01 similar to yours but in silver. I too had the headliner issue, as well as the rear main seal leak. Never had the downshift issue, but I didn’t put bigger tires or a lift. Nor did I have the highway float issue. There again, mine was in FL all her life even with her being 4x4.
I really miss my XJ and In-line 6. Best engine ever built. She met an untimely demise thanks to a Chevy Silverado spontaneously combusting and burning my XJ to a crisp.
I’d hate for that to happen to mine. I think mine has a slight rear main seal leak as well.
@@KCars Yeah I was really heartbroken when it happened. Maybe someday I’ll find another one, or I’ll just buy my parent’s ‘04 Grand Cherokee. Very common issue with the Jeep’s that have the Inline 6’s. Even the older ones.
Those grand cherokees are pretty cool. Don’t know much about them but the V8’s seem pretty cool
@@FBHSswimmer2006 you'll find another, plenty here in Arizona, I have a 2001 XJ.. daughter has a '97 one, she got me hooked(wish I could baby mine more..bucket list).😊
Another WV jeep youtuber lets gooo
The mountain state💯
I have a 2000 XJ, (196,000 Miles) (Zero Rust). 4.5'' Lift and run 31's , regear if ya do a lot of Highway driving. I live in AZ and I daily drive mine in 110-115 heat . The only issue I have had in the past 8 years is heat soak on those 120 days. The one thing ya gotta watch with these XJ's is the oil pressure.
It’s not really the gearing that’s the issue it’s just the fact that it won’t downshift when it should. I’ve had a lot of people suggest that I need to adjust the kickdown cable. I’m kinda jealous that you have a completely rust free XJ lol thanks for watching!
@@KCars You Missed the Point my friend. The computer isn't sure when to down shift due to the larger tires (It thinks its in the proper gear). You can adjust the cable but that could effect in town driving and shifting too soon. Just an FYI (Action/Reaction)
For not shifting issue replace filter and get fresh new trans fluid and re correct tv cable and add some extra trans oil cooler you will be good to go i have 5.13 on rubi axles on same 2001 with custom full rubicon kit on my xj it runs like champ
I replaced the trans fluid and filter about a year ago. I haven’t looked at the cable yet though which is what I need to do. Thanks for watching!
my head liner sagged So I took out the head liner and cleaned all the glue off an painted it with gray house paint that my wife used to paint the kitchen. It is a perfect match to the visors and I no longer have to worry about the head liner sagging
That’s one way to do it
One thing about the gas mileage is to use gumout in the can that looks like sea foam. It must of took like maybe 8 bottles bottles but I did see an increase of 30 KM a tank that lasts to this very day. I run 91 grade gas and use one of those gumout bottles a month. My 4.0 runs like it’s brand new with absolutely no ticking or anything other than a nice idle. I’d highly recommend to anybody to get the brand new 4 hole injectors.
I’ll have to look into that, thanks!
Very clean jeep, the cracking head is definitely something to be careful of, my previous Jeep didn’t run well and I’m 90% sure it’s cause it was cracked, maybe time to swap the motor for a stroker build! my current xj is a 99 and it has almost double the mileage of my previous jeep but runs way better with better fuel efficiency even though it has bigger tires.
Definitely heard good things about the 99. Luckily I haven’t had any major issues with my 01 (yet). Thanks for watching!
@@KCars as long as you keep the temps down you shouldn’t have any issues at all, thanks for making videos!
I replaced the bottom end on my 2000 with 230k miles because the previous owner ran it low on oil. The original head looked brand new with no sign of cracking, so I did a valve grind to it and threw it right back on, and it's still doing great thousands of miles later. I think that lots of XJ owners trash their fan shrouds since they're prone to breaking (they're like 30 bucks new, not sure why you wouldn't just replace it) and run them low on coolant since the water pumps/thermostat housings tend to leak, run them low on coolant which causes them to overheat then they blame the head for it.
@@willthecardude6900 yea that very well could be the case, but even amc knew it was flawed cause they went back to the thicker head shortly after, in the 2000 to like 04 I believe (including the engines used in the wranglers) they made the casting too thin between each cylinder, so in an overheating situation it’s more prone to crack. But the engines for the most part are bullet proof anyways so you have to be seriously mistreating it to screw it up. But that fan shroud man, I hate how brittle they are…. Broke it on old Jeep luckily they are fine in my current xj.
@@jacob.woodward Yeah, a head shouldn't crack regardless of how bad it's overheated, I agree with that part but I think even a non TUPY head is fine as long as it's not badly overheated, my 240k head is a testament to that. I feel like a lot of people don't realize that the fan shroud is there for a reason though, I see so many people remove it, they're dirt cheap and the aftermarket one I got for 30 bucks actually directs air better than the stock one believe it or not since it's beefier.
I have a 97 4x4 lifted 4in. and a 2000 2wd both have the 4.0 ...bulletproof !!
Good to hear. As long as they are maintained right, they definitely are bulletproof
Don't forget to clean your throttle body, recently made mine run smoother. IAC and MAP sensors are next on my To-Do list.
Good idea as well: th-cam.com/video/o3vM5KCuCUc/w-d-xo.htmlsi=ckgjTHrrqVajwsaA
That is a CLEAN looking XJ! Really like the simple looking setup. Do you have a lift? And what size on the tires?
Thanks! Yes, 3 inches. 31x10.50 tires
Also just subscribed!
Thanks!
@@KCars no problem at all! Keep up the good videos, I have some jeep stuff on my channel to 😎
Hey. Just so u know for the faded bumper fix. Use the product wipe new form like Walmart. Fixes faded plastics to new condition
Thanks! I actually ended up replacing them with brand new end caps
@@KCars well any other plastics it works great I wiped down interior plastics and everything. Alll like new. Just suggestion
Awesome!
2000 and 2001s have the 0331 cylinder head that tends to crack at cylinder 3. A TUPY swap or a Clearwater cylinder head replacement or any brand new 0331 cylinder head is the fix to make them bulletproof. Don’t forget to buy new head bolts because they’re torque to yield.
Thanks for the info, I’ve heard the TUPY ones are pretty good
Cool thing about the renix models is peak torque is hit at 2200-2500 so if you're cruising at 75, you can gun it and get around anything
For some reason my highway driving experience hasn’t been like that in my Jeep. Mine doesn’t like to downshift whenever I gun it at highway speeds so it’ll barely accelerate. I think I need to just adjust the kickdown cable
@@KCars My 98 is exactly how you stated. My 90 on the other hand loves the E-way
Best of both worlds🤷🏼♂️
Also, make sure and check that your freeze plugs are in good condition because if your freeze plugs are warped your gonna loose coolant and over heat!
Good point, thanks!
Do your harmonic balancer if you still have the stock on it still. I replaced everything to do with the cooling system. It's 20 years old you have all new fans
Might have to look into this
Cheap fix for headliner is thumbtacks. Old fashion flat ones. Just stick them into the foam above the headliner. Mine looks like button tuck, kinda neat.
That’s an interesting fix
I have the exact year, I have a crank and not ignite issue that’s random. Heard it’s a common issue too
Hmmmm I don’t think I’ve ran into that one yet luckily
I have a 1998 XJ with 483000 kilometers on it (300000 miles). I had the same issue with the cooling fans but had them replaced when my Jeep stalled out on me when I was stuck in traffic in the dead of summer heat. The only problem I continue to have is needing to replace ball joints every year. I do drive a lot. I think you should have avoided the 2001. 97 to 99 is the way to go. Nice Jeep though!
Thanks! So far I haven’t had any major issues with my 2001. Never stalled out on me but it did have some idling issues when I had it out in around 95 degree weather when the electric fan wasn’t working
I have a few questions, how tall is your lift what kind of wheels and tires do you have?
3 inch lift, ProComp series 51 15x8 steel wheels in gloss black, and ProComp xtreme MT2 31x10.50 tires
Regarding that lack of acceleration...... you very likely have 3.55:1 ring and pinion sets, but with the bigger tires, a change to 4.10:1 will make a pretty significant improvement. Some will say that 3.73:1 is a good choice, but from personal experience, the difference isn't enough to justify the cost and effort.
I’ve heard that regearing for 31s won’t make much of a difference which is why I haven’t done it. I think I just need to adjust the kickdown cable to fix the issue
Agreed 4.10s rock..I have a manual so had 3.07s, nasty
The 0311 head on the 00-01 models can crack even if it doesn't overheat but majority of the ones that had cracked heads early on got TUPY heads as replacements and you can check this by looking straight down for the letters TUPY cast into the head through the oil fill hole.
Great info, I’ll have to check on mine to see what I have. Thanks!
Another thing to look into for better performance on the highway, is an intake manifold swap, and fuel injector upgrade.
The 4.0 HO intake flows a little better, and is direct bolt on. You'll have to reroute a couple vacuum lines though. As for the injectors, the Dodge Neon injectors are direct swap but have 4 holes in the nozzle. This will greatly improve fuel atomization.
@@scottdoubleyou563 His being a 01 already has the highest flowing 99+ intake manifold the only downside for his setup is it being a 01 it has the later more restrictive dual cat header setup instead of the older federal emission single cat setup 87-00s had. As for fuel injectors ksuspension makes 12hole injector kits for the 4.0 now.
I’ll probably look into the injectors sometime down the road. Have a few more things to do before that though
Hey post video of how too change water pump. My 2001 xj gets hot once in a while even tho I changed all the minor engine parts. From Denver co
Actually had a shop replace my water pump. But if I ever do it myself again I’ll do a video on it
Worst is the heating. Mine runs amazing and never over heats through actual operation of the vehicle other than sitting idle at a red light in the summer. I did everything like new rad ,water pump, hoses, tranny cooler,new clutch fan. You could always pop the hood open a crack when crawling or trail riding. I personally think with all I’ve the above and hood vents that there will always be a small percentage of it running hot at an idle or 4 low.
I’m replacing most of the cooling parts next week. Hopefully I won’t have to worry about any overheating.
Cool. Mine never sits at the middle section of the gauge. It’s always lower. This Jeep’s the best in the fall.
Mine usually always sits at 210. And I agree they definitely perform way better in cooler weather
can you post the paint you used on this on the before and after rust restoration?
I used duplicolor perfect match spray paint
Afternoon mr k cars I believe your downshift issue is your throttle valve cable.
Is that the same as the kickdown cable?
For your highway shifting issue, look up on TH-cam how to adjust your kick down cable, that is probably your issue. It's literally a 60 second fix.
That’s what most people have recommended to me, I definitely need to look into that, thanks!
My 1999 XJ 2x4 has issues with the SKIM module, when there is too much heat, the antenna doesn't read the key properly and just locks, so it turns on for a couple of seconds then turns off... it is cool for when they try to steal it, but I can't trust it to make a long trip, because sometimes it happens when it is running, in that case it doesn't turn off immediately, but if I stop or stall for a minute, it does turn off... that really sucks, I bought it to take long trips and I can't really rely on it, other than that, the thing works in the city just perfectly.
I have a 2000 xj I bought it last summer and it didn’t run properly when i bought it It overheated and the head cracked within the first 3 months the radiator also cracked And the ac didn’t work so we replaced the ac compressor. Sense putting a rebuilt head and replacing the radiator the only issues I’ve had are smaller common things. The window buttons on all passenger doors don’t work always. I believe the window lock malfunctions and must people just bypass it on all doors so they work you can get a new switch set for the drivers door but it’ll probably give out again My drivers window has been working off and on lately so I’m getting a new motor for it that should fix it. My knob for climate control only worked on full blast for the last few months and I ordered a blower resister to fix that but in the last week it quit working on the highest setting it won’t blow hot or cold ever. I’m still hoping the resister will fix it but I’m not sure lol. and after it overheated the electric fan was running always but today it quit so now I’m trying to figure out how to fix that😂 it also has the rear bumper rust and door rust and the headliner is sacking. I love my Jeep but it’s definitely been a work in progress I’m glad that I’m a person that enjoys working on cars and I want the experience and I’m thankful for it. But it can be frustrating if you let it or if you don’t have time or money to always be fixing. And also on the rear one of the top screws for your shock mount was twisted off when i bought my Jeep and that’s a common problem my cousin has a xj with the same issue. You can get a piece to fix it but again it’s another thing to have to find time to do
It’s definitely a never ending project🤷🏼♂️ gotta love em though
Looking into buying one of these, the 4.0L. Are they good on gas or not really? Also how many miles or kilometres do you get before needing a fill up?
To be honest I don’t pay attention to fuel economy in my Jeep. Ive heard people say that it’s not the greatest on gas but I haven’t noticed it being good or bad
if you worried about gas mileage, buy a Prius.
The problems you mentioned with highways are odd. I have a '98 4x4 Classic, stock ride height with 31's squeezed under there. I have no problems with kick down, acceleration, or braking, which is great considering I have to use the highway to get to town. Rust is no issue 'cause #ArizonaGang. Funnily enough though, as long as I'm on top of coolant and oil (which you should be anyway), I have no problems with overheating in the >100° summers here
Good to hear that you don’t have any issues. I definitely need to get my kickdown cable adjusted and see if that helps. I probably also need to get my brakes replaced as well. You’re lucky for having no rust issues lol. I’m getting most of the cooling system replaced next week as well as getting a coolant flush. Thanks for watching!
@@KCars Of course, my man, you've got some good XJ content, it keeps me coming back.
Beautiful Patriot Blue XJ! AZ XJ here as well. 2k limited. Zero rust, but my patriot blue has lost the battle with the scorching sun. I may have it painted or do the tintable raptor liner. It was a beautiful color when clean and waxed. As long as the cooling system is maintained, I’ve never had an issue in the 100+ temps we see. I’ve had it for 8 years and I’ve been able to fix everything that broke, which hasn’t been much, in my driveway and I’m not a mechanic. These things are just easy to work on and there’s so much info out there to help you diagnose and fix them on your own.
Thanks! My favorite color for an XJ. I guess there’s a trade off with no rust, sometimes you have to deal with the fading paint because of the sun. And I agree they are pretty easy to work on even for me with little experience. Thanks for watching!
@@first6982 Mine is Hunter Green. Which looks great on it's own, but I think it looks better with the wear and tear. On my fenders, the top coat has kinda worn away and now that gold speckle base coat is showing. I might let it wear down a little more before I get my clear coat refreshed
where did you buy the hose that was brittle? i am looking for one
Genuine Chrysler 4854265 Crankcase Vent to Intake Tube www.amazon.com/dp/B007NO3XD2/ref=cm_sw_r_cp_api_glt_fabc_43TP6B088ZTHBH1YVCAS?_encoding=UTF8&psc=1
Hey nice headlights drop the link or where did you get them! I have the same color Patriot Blue
Thanks!
quakeled.com/5x7-inch-headlight-39-watt-high-low-jeep-yj-xj-tempest-series-quake-led.html
Ever get high heat coming from you center console at highway speeds?
Not that I’ve noticed
So glad someone else noticed this. After about 1.5 hours of highway speeds and I get almost unbearable heat from the entire front end into the cabin. I've never gone over 210 temps, it's just that firewall being so small. Kinda low on my list of problems though
Don't forget the PCV valve
Ahh yes, that’s definitely one as well
Interesting I Would never go back to the Clutch fan with the level of work you are willing to go i would go to two electric fans there is the slot for the stock fan and there is one hole to drill a bracket that needs to be filed and you are is Better MPG more horse power (or less wasted from the clutch fan) better cooling over all a good choice
and it looks like the rock guard is missing from the fuel tank if so i really look to replace that the tank in gust the right location for a rock Strike
the Kick down cable adjustment is easy to do but the big secret is that the jeep can do about 90 miles an hour the hangup is that the suspension system was designed in the 1930s and even with MODs is not really designed for speeds above 60 miles per hour thanks for the look at your Jeep
I’ve thought about doing two electric fans and getting rid of the clutch fan but with this one I wanna stay completely stock with the cooling system.
Are you referring to a skid plate for the gas tank? I didn’t know that they came with one stock. Thanks for watching!
Hi Do you need some great lighting upgrade for this Jeep to help you better driving, off-road and adventure.We're the pro auto lighting manufacturer for nearly 20 year and we're looking for sponsorship!
The rear wheel bearings go out and make a grinding howling sound. I've had two Cherokees '90 and '94 and both went bad. If left too long you'll need to replace the rear axles. KEEP WHEELING!
I’ll make sure to keep an eye out for that, thanks!
From my understanding the best year is the 2001 because final year car models get all the best parts that are laying around since they have to use them up before closing.
Different people will give you different perspectives. Some say it’s the 1999 because that was the last year before they switched to coilpacks
The electric fan is probably primarily for the a/c that's why you're not over heating.
I believe the ac is on the other side in front of the mechanical fan
@@KCars I recently found out the electric fan is a secondary fan just in case. That's why it isn't coming on, it's not getting hot enough.
Yep it’s supposed to turn on at 218. Mine wasn’t spinning because it was locked up, which is most likely what caused it to overheat a couple times
Damn thought u had a unicorn too I knew that paint was too clean to be stock
To my knowledge it’s the original paint. I just did a paint correction on it last year: th-cam.com/video/VKLF3mTOClc/w-d-xo.html
Paint the end caps. Black Paint spray it on and wipe it off. Or paint them with bed liner paint.
I thought about painting them but I’m looking for a more OEM look so I’ll probably just get brand new ones
Just use wipe new !!!
Do a coolant system flush then replace Radiator, fan clutch, all radiator hoses, electric fan, water pump, thermostat, thermostat housing and new temp sensor and add trans cooler and she’s good to go!
Should I replace the clutch, radiator, and temp sensor even if they seem to be working normally? I’ve always heard people say “If it ain’t broke don’t fix it”.
It wouldn't hurt.
While you're at it, get under the dash on the passenger side, and check the heater core. It is likely the original piece, and could be clogged, hiding a potential leak. But definitely clean it either way.
The clutch and sensor seem to be good and I’m having the radiator inspected to see if it should be replaced as well
Whats the need in replacing the thermostat housings?
To get a new and fresh housing because of corrosion
I agree u have to give urself extra time to react and turn, ect. I drive on the highway every day with no sway bars on my ZJ. Ur not driving a sports car drive like it.
Yup. And a lot of people say that the XJ handles well but I feel like those people have never driven anything that actually handles well and don’t have anything to compare it to. It’s great at doing what it was built to do. Thanks for watching!
Dude I have a challenger and a jeep Cherokee just like you lol
Not a bad combo🤷🏼♂️
Check the water leak on pasager side
It doesn’t have any noticeable leaks
My main problem is dirt.. Myis always getting it dirty. Even after I just washed it. I swear I think it self drives itself to the trails when I'm asleep.. 🤣🤣bout to rip my headliner off right now
I mean if you drive it how it’s meant to be driven then it’s pretty difficult to keep it clean lol
Not to knock this video but you talk about the cooling system a lot, but here so more info for you since my brother bought a 94 cherokee sport and all he wants to do is drive it.
1. Ignition switch it when out so the key will get stuck and won't move sometimes it will or won't at all you can find it on the steering shaft when you remove the gauge clutcher it's a pain but it there.
2. Oil filter adapter O-ring his jeep is leaking like crazy so you'll need a new O-ring I recommend get it from O'Reilly, a T60 star bit tool, and a wrench that will hold it you'll have to knock out the T60 out the socket it comes with or jack up engine if you can it's a very tight spot to work in.
3. Is a bonus if you're lifting your jeep and add daddy fat sacks tires on it for the love of God make sure you mount you rubber brake lines in a good spot so tires don't eat them that how my brother bought it and it was a pain fixing it because the previous owner I guess was like send it end up fixing one side and breaking the other side not the rubber but the line itself because none of them were mounted and they were just there
Thanks for the additions. Luckily I haven’t had any of these issues (yet)
@@KCars yeah hope not I still haven't fix the O-ring issue because it's tight in the there you real have not even a inch to do it plus you'll need a breaker bar guy in a video I saw said they used red tread locker from the factory thought it was bs but it's not I guess
Dang sounds like it’s gonna be a fun job lol
I have a 2000 XJ with a rebuilt 4.0 from a '99. The only issue with parts compatibility was the coil pack. The '99 head doesn't have the bosses to secure the coil pack to it. So far though it's not been an issue.
Good to hear
My 99 Xj is the best vehicle ever built...I have almost 400,000 miles and it's just like new...
These things are tanks💪
Bro adjust your throttle cable it’s so easy, I own a 95 and it literally has a button to adjust it. When it is loose, that thing will go, seriously.
And I suggest replacing your battery terminal cables before they rust off. You’ll probably get a cleaner start up too.
Is that the same thing as the kickdown cable? A lot of people have suggested that I need to do that
Battery terminal cables wouldn’t be a bad idea
@@KCars look up k suspension 2 gauge battery cable upgrade 100% worth it
Will do, thanks!
For the age off the jeep it's time to replace parts/ not knowing the mileage
Anything specific you recommend?
Also rust on the passenger floor and the crankshaft sensor that fail twice in my xj.
True rust in general is a problem, luckily I haven’t had my crankshaft sensor fail yet🤞
Just replaced my electric fan, and that back hatch is always annoying
Which back hatch?
Hello good day, I greet you from Mexico ... What is the cost of the jeep cherokee xj
Mine was $3500 when I got it about a year and a half ago
@@KCars Ok friend, I understand ... But you can still get a 2001 jeep cherokee sport ... I'm interested in a cherokee sport or xj
Yes, I have the Cherokee sport, which is an XJ
@@KCars how much
Look at my first reply
Oil pressure?
Haven’t had any issues with oil pressure
Seems like a good guy however too much mumbling get to the point! Quick to the point! I got a 96 4.0 2 wheel drive welded rear end ain't stuck it yet
Sweet, sounds like a fun Jeep!
I pass old thats problems on my jeep
mine is identical to yours
Awesome, I love this color
where's your 710 cap (oil)
It came with a different one than stock
You don’t even know how capable those jeeps are bud you live in the city
It blows my mind anytime I see what these things can do. Absolute beasts
the cracking heads were in the years before 98 they were weaker head you have the stronger head on your jeep i cracked mine on my 94
I think the 2000s and 2001s had the issue
OK. It's a money pit.
Sure is🤑
another common problems - headlihgts switch, transmission tubes, abs, fuel pump
Haven’t had any of those issues luckily. I’ve heard of the transmission tube issue and I have a video showing how I removed mine: th-cam.com/video/sJLvMElRMmU/w-d-xo.html
@@KCars Yes, I saw. I am glad that you do many things yourself.This is amazing
I definitely still have a lot to learn and thanks for watching!
Top 5 problem with it or wish YOUR Jeep ?
Top 5 most common issues with all XJ’s. I’ve experienced some but not all of the things I mentioned in this video
actually 2001 was not the last year 2005 or 2007 was look up jeep Beijing BJ213/ 2021/ BJ7250 and Jeep 2500/ 2700
Interesting
20 mpg
Not bad
Top 50 problems you mean. lol
Also 4x4 linkage breaks 🤪🤦♂️
th-cam.com/video/KeRtE7Byw7Y/w-d-xo.html
Luckily i haven’t had this issue