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Teardown 4.6L Ford Lincoln Mercury DOHC 4V Aluminum V8. Timing Is Everything!
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- เผยแพร่เมื่อ 30 มี.ค. 2021
- If you haven't seen my other teardown videos, check them out here!
• Blown Up Engine Tear D...
I know I should've used a shop vac
I own and run a full service auto salvage facility in the Saint Louis MO area called Importapart. Part of our model is parting out core or bad engines.
In this video, I dismantled a 4-valve all aluminum 4.6L V8 from a Lincoln Aviator. This engine shares its design with the Mercury Marauder, Ford Mustang Mach1 and Cobra, although there are differences in material and components used. This core sat outside for a very long time which made for a rather messy teardown.
I hope you enjoyed this teardown video, there's several more in the pipeline.
Edit: We did find 4 slightly bent valves after cleaning and a thorough inspection. Thankfully these valves are VERY cheap new!
-Eric
It's important when leaving an engine outside to remove the spark plugs, so the cylinders can all fill with water and rust evenly.
I'm hooked on teardown videos and thanks for not playing crappy music.
same I'm glad there's a new one because I've watched em all lol
Yep, he doesn't seem like a crappy music kind of guy. Good thing.
Mabe some deathklock?
Into the water!!!!
Bring a end to land power plants, valves transform to take in water....
Opinion on Makita m18 impact guns, ??
I'm addicted to watching your engine teardowns!
Definitely more complex than a C64 :P
Every electronics/software geek secretly loves real hardware teardowns with spinning things that eat dinosaurs and throws out fire... ;)
ROFL Hi Adrian your over here too! hahahaha
Addicted lol sameeeeeee
Same
FYI...These motors were first released in the Lincoln Mark VIII's. I have 5 of these Lincolns :) These motors are rock solid.
These engines were first released in the 1993 Lincoln Mark Viii. Great motors. 290hp and still get 27-28mpg on the highway.
The 4.6L V8 is not an interference engine, so that's why there's no damage to the valves or pistons even though the timing chain broke.
My 2.2l wasn't either
I was a son of a mechanic. I loved taking apart locked up engines my father scrapped. Something about taking a engine apart as a kid I will never forget. I still get the itch to take apart blown engines. Finding the cause of the engine to fail is exciting. Had a collection of bent rods, push rods, valves, pistons and a old snapped in half Chevy straight 6 crankshaft. Good ole days of being young☺️
Love my 97 Cobra. Though mine can stock with an aluminum Teskid block, the best 4v block, strong as heck and 75ish pounds lighter than an iron one. Tore mine apart at 140k for forged rods and piston for a turbo build, still ran fine and had cross hatching still. It has been a terrific engine for me
1996-01 Cobras used an aluminum block, only the ‘03-04 supercharged cobras were iron blocks. Also only the ‘03-04 had the forged internals, all the n/a 4.6 motors had the powder rods. Also the 3v mustang GT from ‘05-10 had an aluminum block too.
There is something so satisfying listening to that impact wrench...
Just a guy from Kansas commenting on your proper use of the word "Ope." Well done!
From Minnesota, same here!
It's nice to see you get a motor that helps make up for all the disappointing ones.
The disappointing ones make the more entertaining videos though
@@zacht9447 Absolutely true! I love seeing if I can spot the problem before he does.
I cannot believe the phenomenal job Your Parts washer did cleaning that stuff up
i cant stop watching these. So simple, no music, no BS, just tearing down engines. Makes me want to send in my perfectly good engines just to see you tear them down!
Love these tear down videos! Keep them coming
I've always said the 4.6L is a bulky engine for what it is even the regular SOHC 4.6L
Man just when I had it in my head that I would love to see you do a tear down to any modular ford engine and then boom here you are answering my unsaid request, thank you for the awesome content my man your doing a great job
Your channel is young, and you have room to grow, but your content is amazing. Please keep it up. You deserve many times the number of subscribers you have and I suspect you will eventually get them.
I could watch these teardown videos all day!
Lincoln Aviator engine!!!! I just fired up my brand new one in my Aviator after working on the car for 5 months (project car), love the car, love the engine very reliable. Love the engine so much I got myself a marauder as well. I will tell you those engines are pretty chunky for their displacement. OH and yeah get all them 9 thread heads you can boy! you got lucky and got the latest DC heads in ONLY 05 aviators!! those will go for $1,500
Are 05 Aviators guaranteed to have the 9-thread heads?
@@CathyInBlue yes
Those valve cover gaskets look like blue Fel-Pro replacement units. It would be interesting to now what repairs the engine had in the past.
they do look like the fel pro replacements LOL
9:37 that blue was soooo clean, I was in awe
I also had this engine in my 1997 Mark VIII. Was very strong
had a marauder, blew a spark plug out of the head, and threw a rod bearing. i had it at a dealer to get fixed, and my car along with 10 others all were set on fire. it was a very sad day for me, as i loved the car, but in the end it was probably a blessing.
I wonder why this engine was deemed unrepairable in the first place, just some timing chain and tensioner damage would seem worth it to fix imo
I would of tried to fix it .
Whoever had the engine first apparently didn't have the skill or the time to open it up and see what the issues were.
A few new bearings, chains and tensioners, set of gaskets and a few valves, that engine can run again.
Replacement was likely judged to be more cost effective; I recently helped out with an engine replacement on a 96 Honda Accord that we were told had a bad head gasket. We didn't verify this, but the customer was okay with paying for a junkyard motor. Put it in, fired it up, ran fine.
If this had been out of a manual trans Mach 1 (with the forged crank), I suspect it might have been repaired rather than replaced; as is, this was likely out of an Aviator (judging by the throttle body), and thus there was no real incentive to rebuild it (especially when labor time is factored in).
I helped my SIL rebuild his 2v 4.6, so I have all the cam timing tools for them. It should come in handy when I rebuild the 4v 4.6 aluminum block I have for my 46 Ford panel twuk.
Engine and suspension came out of a 98 Lincoln Mk8.
They are very repairable, with patience and the right tools.
Powerful and lightweight.
I love watching the teardowns. It reminds me of when I used to build engines back in my 20's. I used to get some real bad ones from my local junk yard. Thanks for showing what the heads look like after cleaning.
These heads are also used GT500 supercharged 5.4's on 2005-2013, which is why the they are valuable. BTW these are actually pretty reliable with the updated tensioners, guides and chains. See if you can find some coyote 5.0 engines.
Was the chain/tensioner issue fixed with the coyote?
That is incorrect, 2005 was the last year anything came with a 4v 4.6 and the gt500s had the Ford GT heads which are the superior heads. But very similar.
@@wyndnra1n years of working on the development of the 2005 Ford GT, 2007 "Condor" 5.4L S/C, and the 2013 "Trinity" 5.8L S/C GT500's.......the GT heads are refined 4.6L DOHC heads with the GT casting.....directly from a engineer's mouth.
@@jeffreygoss8109 1st gen coyotes dont generally have timing component issues, 2nd and 3rd gen coyotes have chain tensioner issues due to the supplier Borg Warner dropping the ball on the quality control.
@@PeeterPuncher thanks
I see Adam Sandler tearing down these engines, this makes me so happy.
Huh??
I need a parts washer like that. You should do a review video of it. What you like and don't like
yesssss ray-gun noises while taking the heads off. good stuff
LONG LIVE THE MOD MOTOR! Those DC heads are worth their weight in gold. I buy 05 aviators just for those heads! That block alone is worth money without the rotating assembly!
"Hot valve on valve action." You know what the people like...
When they give each other a tappy tap tap tap
Definitely needed a laugh, you removing the water did just that. Thanks
Glad it turned out good for you! Might want to consider a raincoat if you plan on using an air nozzle to remove water.
I don't care what engine it is... As long as it is one that has had an issue and you tear it down to find out and theorize what had happened and knowing if it was a win or a loss on the profit side is what makes it enjoyable to watch.
Oh and no annoying music either is a plus! And good commentary as you go.
I'm making my kids watch your videos for the education aspect. Great videos!
I work at a machine shop, we have a similar parts washer we call the Jet Spray and that thing is incredible. doesn't get all the oil though, but we have an industrial ultrasonic that gets that and some of the carbon off.
Superb. I'm hypnotised by the sound of that impact
You get to deal with so many different fun mystery fluids!
When you say it like that, it kind of loses it’s appeal
There's nothing like watching Adam Sandler tear down an engine :)) JKS , I'm loving the content guys, keep up the good work
More like Luis Suarez :))
Dude! I have that exact same engine sitting outside ready to take apart! Thank you so much for making this video! You have helped me to much :-)
That's a unicorn. My neighbor had a Marauder. Low miles, meticulously maintained. Passenger side timing chain tensioner failed on a cold start. Slammed all the exhaust valves on that bank and cracked two pistons.....
Of the 4.6 Cobras, only 03/04 Terminators have iron blocks. The 96-98 have an earlier pattern B-head aluminum block shared with the Mark VIII, but the C-heads came a bit before the Terminator.
My 95 Conti has heads with IMRCs. Otherwise same engine, different bellhousing.
Teskin aluminum block for 96-98
@@bri-manhunter2654 Teksid in the Mark VIIIs too, even the '93.
I'm pretty happy i found this channel. His engine tear downs are great to watch, but the rest of his content is also pretty bangin.
I love these vids so much. Besides comedy podcasts and a few other car channels its one of the only things I consistently watch. Its also so cool to see Adam Sandler doing something besides Netflix movies and making weird faces.
inb4 this channel explodes
love watching you tear down vids and talking about it like someone i might hang out with irl
I think you found the new star wars Blaster sound, Fast forward impact noise
Awesome video on the breakdown of the 4.6
I really enjoy the teardown videos.
Thanks for the tip on the heads! Just picked up a set off an ‘05 Aviator at the local Pick-n-Pull. Hopefully I can turn them into some good project car money!
You need to check the cam caps and journals on heads, The secondary chain broke for a reason. Always check to see if cams spin free or you have a locked up cam on pass side that broke the chain.
Both manual and auto mach 1 have the aluminum wap blocks, manuals have the forged kellogg crank same as the termi's, autos have cast cranks.. sorry for the "mr know it all" comment just wanted to put that out there, great vids btw👍👍
I know this is a post from 6 months .. but I have a 5 speed Mach 1 with an 8 bolt flywheel on the crank …I have gone through several clutches .. the throw out bearing has to be replaced with a Ford Performance Hd bearing or it goes out immediately.. but other than that .. I have 280,000 miles on it .. and it’s still strong as it ever was .
You shud give up everything and just tear the hell down those engines ur so good at it .. Good job ⚙️🔧🔩
Thanks, Eric. I feel educated. My dad has the '94 SVT version (under 2k miles really). I knew almost nothing about these until now. Binge-watching your channel. Love this stuff.
Your 94 is a 5.0 pushrod totally different motor and 90% of the info he spewed is incorrect
Biz is doing good thats great to hear man. Keep it up!
My '04 Marauder had a timing chain guide break, go into the oil pan and get sucked into the pickup tube starving the motor of oil. 217k on the motor so I had to have it overhauled. Pricey but I love my marauder.
Love this guy's videos can't stop watching!!!!
Adding to my top favorite channels. You rock sir.
really nice engine.. that thing its huge
I feel remarkably invested in these teardowns.
Huh-Rah for you! I was worried at the start! 🎉
Seems like a shop vac would have been the move on those plug holes.
Agreed - if he doesn't have one dedicated to water removal, he should.
IIRC the 4.6L engines were not interference engines, so that explains the lack of damage from the timing failure.
Say what you will about them, but I love and have had good success in the 281's. these to me are solid, great power and if well maintained last forever.
I love the 4.6 modular though. First engine I really tore apart and rebuilt. Got 250,000 miles on my mercury with one, though it has the SOHC, not DOHC.
250,000 is easy with maintenance
Early N/A Cobras had aluminum Teksid blocks, not iron. And the only difference from auto to manual Mach 1’s were the crankshafts being forged or not. Auto not / manual forged. They had iron blocks like the ‘03-04 Cobras. I’m early in the video and just trying to clear some things up.
I drive one of these, it used to be my dad's, and we ended up rebuilding the engine after one of the timing guides failed and shattered into the oil pain. On top of that, the failure caused the pistons to slam into the valves, so just about everything had to be reworked. I love my car, but yeah that timing can be a nightmare
Where’s all the coyotes! I’m starting to think those don’t break 😉
They don't have time to break they always get crashed outside of meetings first
I have been working for a ford fleet shop for 11 years now and I can count on one hand how many coyotes failed they don’t come apart like the LS engines do no oil pressure issues or bad cams. The post 18 coyote are not as good but still pretty good
@@lowridersvt I was mostly just making fun of how many mustangs seem to crash doing stupid s*** leaving meetings no I think the coyote is a great engine and it seems to pull up really well under boost even with stock internals I mean I remember reading about there is this build off between LS and coyotes and the coyote guys didn't even do anything to the internals I think they just put head studs on it or something but I don't have any personal experience when I had my mustangs I was too poor so I always had the v6s I did love my 2011 v6 though I made a custom bracket for a V3 and was pushing 400 to the wheels and God damn that thing was fun never had a problem with it never had to repair anything except I had problems with the AC door switches and I sold it with like 130k miles iirc. But I know that some of the people that I used to run into quite often that had theirs didn't have too many issues in the mustangs at least I don't think I knew anyone that had one in a truck
@@lowridersvt ive seen and heard of plenty 5.0s blowing up... the LS came out in 97 so there's ALOT more of them compared to the coyote... breaking oil pump gears or that horrendous tick piston slap that caused numerous replacement long blocks... let's not get into that beautiful Ford mt82 it's backed by... fohhh
Lincoln Mark 8's starting in '93!! the orginal Mustang 4.6 Cobra DOHC engine, the little brother of the TIVCT Coyote. Dirt cheap high tech. The lincoln cars die, but the engines last 200K easily with a few quirk fairlure modes. and the Lincoln Navigator 5.4 big brother.
Nice to see you get a break sometimes. This pays off the total wrecks you sometimes hit.
These and the 2 valve engines were very reliable and long running.
You would be lucky to find a 4.6 4 valve with the Teksid block. Those were really strong. I think 99 was the last year for those if I'm not mistaken.
They made plenty with the teksid block and despite the long spread myth no they’re not the strongest they’re no stronger than the WAP block, both being inferior to the aluminator blocks.
@@99thpeanut59 teskids are just more affordable and easier to find, they are a little thicker around the cylinder walls, but the aluminator got that good density
Edward Myers ah yes the density
@@99thpeanut59 . The Teskin block is stronger and better, a forged rotating assembly in a Teskin block is a very hood setup, and light weight.
This motor. 4.6L Ford V8 is hands down the best and most reliable motor I've ever owned.
I have a few in different cars but The one in my 97 mustang GT has over 200k miles. Nothing but regular maintenance. And she'll still giddyap on the freeway and she'll still embarrass the confused ricers
Please do a 4.3L v6 from a s-10/s-15! Love ur vids, very entertaining to watch
I have a complete running and driving aviator 04 if you want to buy it has the same issue but only the plastic fell off the top little guide tensioner is still intack
I picked up a pair of reman heads. One had 4 thread, one had nine thread heads. ~$600 / pair wasn't bad though for the 2v 4.6
Keep up the good work.
Time-sert the 4-thread and you'll never know the difference.
It is sad to see that engine sitting out in the weather like that. There is a seal on the cover over the COP's, how did they manage to get THAT much water and filth in there? I love my Marauder!
Call me a jerk, but when I hear sloshing upon removing a part I can't help but smile 😁
I know nothing about engines but enjoy your teardowns
it looks like when the chain snapped and the cam ended up stopping right at the absolute perfect position to have all the valves closed to avoid a strike, and obviously to add to this it didnt just roll to a stop, it had to find one of the positions that the cam clocks to when not under chain tension (from the lobe timings and valve spring tension) so it could have ended up on either side of that position and had the valves extended and in danger. that kind of luck is indescribable. if not for sitting outside for years and corroding away that engine could have been back in action in a weekend for $200 in parts and gaskets.
Best birthday gift ever!
It's cool explaining the threads I hadn't heard of the shorter thread count the spark plugs in a four valves I thought that was a three valve thing only
Very cool. I have a 2004 Cobra and it's got a very similar makeup to this. Difference is cast iron block, forged crank, rods, and pistons. And the cams may be different. But it's still a 4.6 4V. And of course supercharged. To give you an idea of how stout this engine is, I am running 620whp @ 19psi on 93 octane. You can get well into the 700s whp using e85. The only weak link in this engine are the Zollner pistons.
Btw, would love to see a teardown of one if you ever get your hands on one.
Great video. Really like seeing the results after the parts washer
As a ford man this is what I’ve been waiting for
Hey I have been really enjoying the videos, idk how feasible it might be but if you could tear down a 2uz Toyota V8 I’d really love that vid
i had to laugh when the water was everywhere and he was like ahhh comon
For a motor with a load of water in it, this turned out really well.
good video my brother ,,i got 2004 maruader 112,000 miles on it..eventually im gonna have do my engine it has that rattle sound only when u frist start it up for about few seconds then it goes away..maybe timming chain tensioner latting the chain slap to the oil fill them or hydraullio cylinder in the tensionerare alittle worn
I enjoy your videos thanks. You may wish to use a wet vac for water removal.
Your teardowns are awesome! Would love to see the M156 or a Cummins teardown. Keep it up!
Love the teardown. You can make a simple venturi suction device for your air line to clear that water.
You saying that got me thinking, and was like, why did I never do that? lol
@@ZacLowing used it to great effect after my siberian husky shredded a couch sized bean bag.
Man, this channel is gonna be huge. Sad I only just found it now.
Maybe have the shop vac handy for getting water of the larger nooks and crannies. That looked miserable using the air hose!! (which probably would have been my first choice too)
You can’t go wrong with a 4.6 They just a good engine.
Teardowns are awesome.
Please, do an Ecoboost 3.5 tear down.
I had a 1996 Lincoln MarkVIII with this engine in it and it would shit and get! I sure do miss that car. I wish instead of selling it i should have stripped it down and put hardened internals in it and reprogrammed it with ported heads, and bigger injectors and a better fuel pump. The car stock was a 12 second car.
I really enjoyed this teardown because I own a 2003 SVT Cobra Terminator which uses basically the same engine as the Mercury with the addition of a forged rotating assembly and a supercharger.
Manley rods and pistons too that’s what makes the termis an unkillable tank I just hate the pos alternator I’m on #5
@@Dat4valveGuy Yeah, that's what I meant by rotating assembly = rods, pistons & crank. Have you tried the KMJ titan alternator for the 03-04 Cobra? Highly rated with a lifetime warranty. BTW...very nice cobra! Mystic is my favorite color.
@@tomkjr1 I’ll upgrade when this one detonates I’ve just been picking them off of v6 mustangs at junkyards so that’s why my luck is bad lol appreciate it man
Interesting - never knew they upgraded the plug threads. Those always used to be a worry to me on my MarkVIII. No valve damage isn't too surprising - Those 4-valvers really don't need high lift.
@@happyjohn8256 It's been a long time, but I think it was around the 110,000 point, the motor started stumbling from time to time, then developed a serious misfire. I figured it was one of the damned coil-packs again, but when I checked, the plug had actually loosened up and backed off, to the point where it was barely hanging on and the escaping gasses had roasted the coil-pack. I think I also found 2 other plugs that were suspiciously loose and I was always careful about torque specs, especially with aluminum
Brother I can't tell you how much I appreciate watching you tear these engines down, I learn a lot and enjoy watching you do this I just have one question and it's going to sound sillier maybe even stupid I don't know but what do you do with all the hardware the nuts and bolts that you pull out of there do you package them together and sell them for those of us who when we're tearing down our own engines break some or ruin some? I know head bolts have you can't reuse head bolts but the rest of that hardware and attachments and stuff like that must have some value to somebody.
Learn something with every video. Good job