89 XJ Checking for Cracked Flexplate Part 2
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- เผยแพร่เมื่อ 25 ส.ค. 2024
- 1989 Jeep Cherokee XJ Pioneer Renix 4.6L I6 AW4 NP231 6" RE Lift 35"x12.5" STT Pros
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These videos are great dude - thanks for doing the extra effort to record this!
Sincerely,
the Internet
Working on the Jeep in the cold of winter is the Jeep thing baby
She's a little runaway 😂
Nick, you need to fix that right away! Just the right time of year too, no sweating and struggling in summer heat. Nice and cool.
Little too cold and wet for my taste. Need a garage or something
Learned a lot and laughed my ass off especially when he said are you fucking kiddin me 5:04
Great video, @3:47 you were in perfect time (for a moment) with BonJovi!!!...hahahahaha
dude i had 3 of these crack on me, What i ended up doing was taking it off and welded it back together and then grind it down flat and just filled it in. Its been all good for the last 3 years. or try and find a OEM one. good luck
How did you actually remove the spinny part of the flex plate? We can't get it off. Husband would be so annoyed if he found out I asked... lol
I can't think of the name but our inspection guys at work use two types of aerosol sprays. One is translucent and the other is a very light pinkish color. It's to see any form of a crack or bad spot in the metal. I've seen other sprays like that to check heads before as well.
I've seen people use white spray grease too; the white kind of pools up and makes white lightning bolt looking things in the cracks.
Its call dye penetrate it's used for checking cracks in engine parts and weld discontinuity
I have watched all your videos on this topic, because, as you might have guessed, this is also my problem. DUH! My 95 AW4 tranny XJ makes this inconsistent, noise similar to yours, And after checking for loose Flex plate to torque converter bolts I did find some interesting things going on under there. While all the bolts were tight, the holes in the flex plate where the bolts pass through, were not exactly round or the size that I thought they should be. Meaning this plate that had was original to the XJ and trans (218K+ miles) probably should have been replaces when we put another good used engine in. Yeah, live and learn. I did remove the bolts and found 4 very closely matched grade 8 washers and put them in behind the bolts and re torqued them down. The noise changed, but it was still there. sometimes when its cold the noise isn't there some times its is and then as everything warms up, its always there. So frustrating! But after watching your video on replacing your number 6 piston and rings, I'm not sure anymore. What sucks is that the noise comes from the same general area. I'm still thinking that its the flex plate.
So now I want to see the video of trans removal. I assume you will remove the trans and not the entire engine. Not sure what's worse. LOL Good luck with this issue. Love your stuff as its been helpful to me and my XJ exploits.
Thank you!
Your issue sounds just like my issue, and this isn't piston slap so I think that leaves us with the flex plate
Your one of the only guys I've seen who said it's depends in engine temp. My 98 xj cold start sounds great . A few minutes later after warming up a steady light knock starts and stays. Ive tightened the flexplate bolts and checked for cracks no luck. I even broke down and bought a cheap stethoscope and the knock can be heard at the bottom of the oil pan and the bottom of the bell housing. Further back on the transmission it can't be heard and closer to the front of the engine it can't be heard. It's most clear at the transmission but loudest on the oil pan 🤦♂️ I've been stumped on this for months lucky it hasn't got any worse . The damnest thing is it only knocks after it warms up
@@stonekeys6252 what did you come up with bud?
Im experiencing exactly what u said lol. But didnt touch anythin yea pistons n all. In the works of tryin to narrow this shit down loo
@@stonekeys6252rod bearings
I always wondered if these XJ's had alignment problems between the engine and transmission.
Only if you crack the seal.😂
if the flex plate is cracked your crank sensor want read the tone ring on the flex plate right and throw your timing off and it will have a light miss if it's cracked all the way around you will have a sevier miss
No
Jeep Cherokee 🤘🏻
Getting mine done next week 😎
"Oooooooo, she's a little runaway" 🎵
yes but you are doing that with the other bolts out; it is bound to make a noise that way. Tighten only one bolt or just two and see if it makes a noise. Just a thought
I hate working on the Jeep in the winter; I know you gotta more Jeeps in the backyard if you're anything like me.
can the flexplate be loose from the crankshaft? air cooled vw makes similar sounds when it is loose
Good luck Nick, I hope you find the issue.
Isn't it a good idea to replace the torque converter while you're at it? sounds like your buddy has the same ideas as I do. If you get the OEM torque converter, it should be ok I think.
Hi I like to see someone doing something that I am afraid to do. I would not loosen the bolts on mine before I am ready to replace it, because then it may have a problem after. I checked and tightened the bolts on mine and I don't see any cracks; I don't hear a loud noise like others I've heard, hopefully I'm ok. I just going to monitor it
If you end up removing them and donr see any visible cracks a good way to tell is take the new one and hold it in your hand and hit it with a stick it will sound like a bell. Do the same thing with the cracked one it will sound like hitting and empty soda can.
I kept breaking factory ones. Ive had good luck almost 3 years now with brand "pioneer" from autozone. But i have 0bd2.
Interesting, I like the resonating test. I'll keep that in mind
Jeep life. It's cold,wet and rained for two weeks. I'm waiting for summer before I work on my jeep.
here's a little word of wisdom, do not buy a omix ada renix flexplate the cps holes are all wrong and it wouldn't even start, I ended up sourcing a good used one for my jeep from the local junkyard and she fired right up
Jacob Nordskog you must have received a mis machined one unless you bought it front a parts store, I have ordered 6 ominx Ada flex plates from many different suppliers and all have ran in renix jeeps 100% fine
Got any links to a proper one? I'd really like to find a properly built new one so I can finally fix this.
Hunter Steenhuis bad luck I suppose
Nick or anyone else who can help - I was replacing the four torque converter bolts and the TC has slid back. The new bolts cannot reach the TC threads. How can I move forward the TC without dismantling the transmission and all associated components? Thanks in advance
Your flex plate is cracked i believe. My truck has the same noise. Its the 5.4 triton 3v engine. You can tighten your flex plate bolts back up. If its cracked you'll be able to do the same thing.. Ive not went into fixing mine yet.
Look towards the center of the plate turning 1/10 a revolution at a time and using your pry bar. You'll find the crack..
As for recommended upgrades iro 4 link the rear. With your video skills they should discount the hell out of it to be worth your while. Great compliment to the 3 link iro front! The 4 link is in my 1 year plan!!
Had this noise on my XJ. I thought the engine was toast and I got under it and checked the flex plate bolts and I could loosen them with my hand. I took them out and used blue loctite it's been quiete ever since. No cracks.
One reason I'm not a fan of autos, although the clutch on my MJ sucks air or something, pretty much disappears above 3000 rpm. The Toyota version of this trans had 6 flex plate bolts I believe.
Same damn noise... i don't wanna pull the trans out 😢
Hit or miss...
Can you explain to me how you turned it with the engine off? Mine isn’t moving by putting pressure on the bolt it’s left.
You need a pretty big breaker bar to turn the engine by hand. It takes a lot of force
I can almost guarantee that it is cracked between a few bolts on the crankshaft.
Had this happen a few times over the years. While you're at it get the leaks fixed. The newer rebuild it looking messy.
Watch the lower right quadrant of your video between 4:00 - 4:15. Unless that's some strange artifact in the video...you can actually see the crack when you are flexing the plate with your pry bar.
The crack is jagged and right at the flanged area on the flexplate.
Hmmm, I see what you're saying. Might be the frame rate doing silly things, but I might try another peak later.
I’m seeing it too I’m not sure that’s frame rate
I see same thing
What the fuk!? Over... 🤣
I have the same problem
You must have seen my video from a couple months back.😂
Time to pull out the spanners xD
Sounds like the flexplate is just catching the threads on that one bolt you've left in while you're prying on it......
I'm not sure what to think anymore. I just went out to try this but it's not even making the noise with the bolt in anymore. I'm about to just run it till something blows up, this intermittent crap is so annoying.
How can you possibly have oil pan leaks so soon? Your engine was rebuilt a few years ago. I bet with all of the dirt and sandy stuff in there it wore out something in there. I would also recommend you put POR-15 all under you underside of your jeep to stop the rust and protect it from rusting your investment away,
I'm pretty sure my engine guy put a hole in the pan beating it up, never got around to filling it. Also looks like a P/S leak and maybe a little bit of coolant. This thing is a mess, really burning me out.
@@NickInTimeFilms Fix the leaks. I almost cried when i saw that LOL!. POR-15 the whole bottom including your axles, suspension. POR15 = Paint Over Rust. it dries super hard and stops the rust. I had no rust but my undercoat was eaten away because the previous owner got a power steering leak and ate the stock under coat away. i removed all of the undercoat down to bare metal, I did mine and after that I put POR -15 Rubberized undercoat on top of that 3 coats (8 cans = 180 bucks for that). it is really strong. It will also protect from the chemicals and salts that they put on roads in winter. You also need armor down there she look so naked.
Don't be discouraged. You could get a great video out of cleaning up and finding leaks. That would probably be way more useful to people like me than how to put fancy extras on.
Why would your flex plate have anything to do with timing? I'm just curious about this..
So behind the flex plate is the timing marks that the CPS reads to time the engine. The cylinder TDC marks are off so it isn't firing when it should and runs like crap
maybe your flex plate is warped a little and that's causing the tink sound. so the cheap fix would be to replace it. as for a be all fix all. lol replace the trans with a 4L60. cause if that's a r34 trans. there hit or miss. eather really good or really bad. I think it was a r34.... anywho I hear what your saying. but there's nothing like Cruzin the hwy at 75 more or less mph at 2k - 2500 on the tack. lol
He has the AW-4 transmission. They're actually a pretty good transmission with the majority of them still going with well over 200,000 miles on them. That's something that's rare to see out of a 4l60e.
Maybe you were thinking of GM's 200r4 or 700r4 transmissions from the 80's, early 90's?
Just saying.. The Ax 15 wouldn't do that 😉
I’m having the same issue
02 cherokee for me.
I was told to check my starter first
If the flex plate is not cracked does it make knocking noise or only when is cracked
A flexplate will only make noise when it's cracked. But I couldn't even see mine cracked untill I took it out.
Ok thanks
Did you ever happen to get this fixed? If not I have all the correct part numbers for replacing the flex plate
Not yet, please send away!
NickInTimeFilms I’m glad I could help you with these it took me 3 months and wayyy too many orders and flex plates to find the correct one for our renix Ecu, here they are I ordered the omix ADA flex plate for 87-90 Cherokee from jegs speed parts mostly because they where able to overnighted it to me , P/N 440-16913.11 on jegs website here is the link to it if it works here:
www.jegs.com/i/Omix-ADA/440/16913.11/10002/-1
Also in my months of calling and searching a buddy of mine who also has a 4.0 XJ and works at my local Jeep dealer informed me that almost all renix Jeep parts are discontinued from Chrysler’s parts catalog, and that whatever stock of renix parts Chrysler owned was all sold off to Omix ADA for further resale and reproduction therefore the only new “OEM” parts we can buy are Omix Ada reproductions which technically are now “oem” parts
On another side note if you want to buy the flex plate directly from the “Chrysler stock pile” here is the website that sells all of of our OEM parts aswell:
www.vintagejeepparts.com]
And here is the part number and link to the flex plate directly from them (which I may note is most likely the same one you buy from jegs, just jegs buys if from them and ships it to you kinda like a middle man)
P/N 33002675 (note use that original P/N with discretion as that part number on other parts sites will reference the wrong flex plate I.e the pioneer and atk flex plate which is not a correct replacement for us)
Here is the link directly :)
www.vintagejeepparts.com/products/33002675_Flexplate%2C-87%252d90-Jeep-Cherokee-%28XJ%29.html
You removed all the bolts but one, and that one's loose. Why wouldn't make that noise? Maybe it just SOUNDS like the other noise. That's a lot of work if you're not absolutely sure.
This is a hard problem to test for. I thought about the last bolt being an issue so I went to check it again but then I couldn't get it to make the noise at all so idk. With how the sound would come and go there was no way it was engine related. I pulled it last week and sure enough it was cracked all the way around.
NickInTimeFilms
I was thinking this same thing watching the video.
I was wondering if you could alternate the bolts just leaving one bolt in and checking the noise while swapping the bolt to each hole of it would make a difference.
Did you ever get this fixed?
I saw your piston slap/replacement video which was very cool ...was that your noise?
Get a plate from the salvage yard.
I had that sound. Tightening the bolts fixed it but I can ship you my flywheel. I’m going to swap in a manual tranny so it’s trash to me
I might just take you up on that. Seems getting an aftermarket replacement is real hit or miss
NickInTimeFilms I will message you on Facebook
look closs on this video it is loose
Hello good afternoon I need help I have a Jeep pioneer 4x4 V6 of the year 1986 I could not find the transmission and it is so far it is the only one in Lebanon Pennsylvania pioneering v6 all the others are 6 in good lines sorry for the inconvenience and luck and blessings
Sorry my transmisión is atomatic
For the early modle V6 engine, the Chrysler A904 3-speed auto was used
I have no advice for you, not sure what the noise is ? It does sound like the noise though ?
Sounds like it to me, especially this time when the sound was quiet and inconsistent.
So you made a comment to say that you have no idea..
So Music Islife, ( WHICH I DO AGREE ON, MUSIC IS LIFE ) GREAT NAME, SO you made a comment about me making a comment on me having no idea what that sound was ? Aren't humans KRAZY ? THANK GOD WE HAVE MUSIC IN OUR LIVES, Music Islife.
Nick, Yes it does sound like the noise, as I said, that flywheel looks damn near new ?
Time for an AX15 swap.. I love mine.
Dirt Dauber nest provided at no extra cost...
How ya liking the STT PRO tires?
I love em. Great all around M/T tire
I have the same tires but 33's. not driven on them yet but the jeep is waiting for me to finish building it. Everyone seems to love them and they are not cost prohibitive
that last bolt is loose and hitting see it
looked loose to me
Blow it up
The you know what went wrong.....
It's fool proof and fun to boot, haha
@@NickInTimeFilms That's My Usual Method of Diagnostic practice. Takes the Guess work right out.
Fuck it mask off, send it.
Maybe your starter plunger isn't retracting far enough? I had to shim my starter once when my flexplate was going bad cause is would wobble enough for it to hit the starter, but I had no idea it was the flexplate until it kept doing noise no matter what. A bad flexplate can have starting issues as one of the symptoms cause the teeth have a had time catching the starter gears, anyways here's a video on a pretty good tip on changing a flexplate. I haven't tried this method, but it seems helpful.
th-cam.com/video/xDrzDa0BvQg/w-d-xo.html
I just got my hands on a 98 XJ with same transmission. It has starting issues. At first I thought it was the battery going out but everything else sounds fine engages work good same with my light bar bright as heck. Then I read this reply you posted and went out and started the engine again. Turns out that knocking noise I thought maybe was piston slap turned out to be the flexplate. Pretty sure it's the flexplate. I put my hand on the bell housing cover on the transmission and I can feel something hitting on it
Put it in my driveway. I would've had it out by now. How's that saying? If you don't like what you're doing, you might as well do it quickly.
All problems can be solved with full throttle. lol jk..dont do that..
sweet glad it wasnt worse man
Won't know for sure till I swap it, but I'm hoping this is it.
sounds like the metal is half sheared around the bolt circle by crank and when u pry it it pops against its self.
im going to the u pull it tommorow if i come across a renix ill look for some missing the trans maybe snag you a flexplate
1
5 speed swap it, that's what I did when mine cracked
Hmmmm....
>flex plate every 200k
>clutch every 30k
I'm gonna be a baby and keep my cheater slush box
NickInTimeFilms agreed, 4 of my 5 Jeep’s in the past have been 5 speeds and I have my first auto now and I’ll tell you what. The Jeep life really is much easier with an auto especially for wheeling. The 5 Speed is fun but for this just stick with the auto if it’s there and not smoked IMO