This is The WORST Repair on The Best Toyota V8! And It's Worse On This Car
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- Опубликовано: 10 окт 2023
- This particular repair is probably one of the Worst repair jobs on the best Toyota V8 the UZ series engine especially on trucks.
The common issue is an exhaust manifold crack that develops from small cracks due to the strange design on these exhaust manifolds.
And what makes it worse is the previous exhaust repairs on this particular sequoia that we're working on making the exhaust one piece and making this already tough job even harder.
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As a consumer ... I had to take a chill pill just realizing what you have to go through. God Bless You.
The detailed explanation of design failures like this is invaluable to us Toyota owners and loyal Toyota fans. Thank you for doing this, it is very much appreciated.
I solved this exact problem with my 2004 V8 4Runner. The only way to permanently deal with this is to have Doug Thorley stainless headers installed. The original manifold is too thin. I paid 3k to have mine replaced and it cracked again in months. Then I went to a better exhaust guy and he installed the Thorley headers. He cut the cat converters off the original one-piece manifold/cat converter part, and mated them to the new headers with a ratchet coil system. No more broken headers. Truck sounds better, too. When the cats go bad I just need to have the manifold part cut off the new cats and they’ll mate to my headers with no need to disassemble anything under the truck. Problem solved. Been working great for two years.
Thanks for sharing. I had a leaking driver's side manifold on my 00 Landcruiser with 2UZ at 150k miles. Purchased all the OEM parts for both sides and removed 4 bolts from the driver's side using all sorts of universals and swivels. Decided to put the 4 bolts back and take it to Toyota dealer to complete the job due to time restraints. They did the job, and the steering wheel came back crooked as the steering shaft was removed and probably installed one notch off. I tackled the passenger side myself about 10k miles later in my garage without a lift as that side started leaking. Not an easy job and would not want to do it again. Other than that, this engine is extremely reliable. I have 320k on it now.
That 1.25 labor rate must be based on the engine on a stand and not installed in anything
I am the original owner of a 2004 4Runner with a 4.7 V-8. It has 185 K miles and no problems whatsoever. It still drives great, with no rattles. It has the original starter, alternator-everything. All I have ever done is replace the timing belt (twice) tires and brakes. Of course, I have maintained it perfectly and have always used full synthetic oil. No rust as I live in Western Oregon. Perfect rig, I will keep it until I die!
I have 03 with 185k as well the ticking noise started when cold and I raplaced them with Manzo headers.Also I have to replace Radiator,ABS PUMP timing belt brakes.power steering lines .rear main seal
You are the best car guy on the net! Very good at commentary and your knowledge is fantastic. A man can only be this great by having been in the trenches doing the actual job. I am a Toyota guy and I appreciate the fantastic episodes you present!
Same here, Western Oregon too. 240k on my 2006 Tundra. No rust and virtually zero problems. Did have issues with the AIS pump at 200k, bypassed it with a Hewitt Tech kit. No more issues.
As a customer, muffler shops must be told to save flanges - most don't want to spend the time wrenching, and will regularly just reach for the welder after a little sawzall action. It's up to you, and make the demand up front - bring extra gaskets or donuts with you if you like: the part is less than their labor running down parts from wherever [plus their lost lift time for another job].
Seeing that setup, there is a VERY easy solution. Cut the pipe and put a band clamp on it going back together.
Muffler shop doesn't give a crap about your flanges. Will probably break/strip out bolts upon removal on rust-bucket car, and if not, use impact to reassemble flange resulting in subsequent flange gasket leak. Then customer comes back and bitches about leak.
21 years ago I had the leaking factory manifolds on my 2002 Tundra 4.7L replaced with JBA short tube headers, the JBAs are bolt on replacements that connect to the factory exhaust pipes. I have put 160,000 miles on them, and I enjoy the slight boost in horse power and torque.
AMD, If anyone can overcome a mechanical challenge like this it is you. 😁 When a tough job like this rolls into the shop just remember, you have 848,000 people cheering you on from the cheap seats! 👏👏👏👏The rusty state of this Sequoia makes me hope for the day rustproofing will arrive in Chicagoland. 🤞🤞🤞I see 6:35 a first generation Matrix in the background so I hope we will get a full video on this unsung hero of the Toyota lineup. The Matrix serves as a glorious reminder of the days when Toyota understood what words like 'space efficiency' and 'headroom' meant. It was also the last Toyota with the highly useful fold-forward front passenger seat.🤩
One day? Terrible Try doing manifolds on a Ford V10 where every single bolt breaks off flush or below flush with the head. Took two weeks. I still have nightmares.
My 2007 Sequoia 4WD has 250K+ on it now, and thankfully hasn't had this issue yet...appreciate the informative video! 🙌
After watching pretty much every one of your videos, I can say with absolute certainty that I LOVE being a mechanic in the South. Rust friggin sucks!!!!
1st gen Sequoia is arguably one of most beautiful suvs historically ever manufactured. This issue along with ball joints and frame rust and is about the only extrodonary issues so its a love hate relationship with high mileage owners
By the amount of cars you have in your shop, it really looks like business has been good! Congratulations, you deserve it. I am a 72 yr.old female who has always enjoyed cars. My husband and I have been Toyota owners for many years. I find your videos interesting. Thank you for stretching my mind😊
my sequoia has had this tick for probably 50k miles. trying really hard to not replace it due to the expense. until it fails inspection, gonna let it ride.
Thanks for these great videos! Hoping for another update on the 600,000 mile Lexus soon!
I’ll say it again, the reason why I love this channel is because Ahmed is honest, and will call out Toyota when their products are trash. Once again this isn’t like the other person whose name rhymes with motty, where all he does is talk about how every Toyota is the best.
You must've missed the recent Scotty video where he told someone to buy a Mazda over a Toyota because of the asinine decision by Toyota to put turbo 4 cylinders in everything. I own two Toyota products, a 2011 Venza V6, and a 2013 RX 350. I love them, but I will not buy another Toyota until they get rid of the turbo crap. I'd buy a V6 Mazda over a Toyota, too.
I am a Scotty fan, in his defense he has a huge subscriber base. I believe he has more views than all leading auto manufacturers combined. In my opinion he is trying his best to spread the word that your best bet is to buy Toyota or a Honda product. Remember most people you have to hit over the head a dozen times before they listen…he’s just doing his part.
@@MegaSlowe and what is said is completely wrong. Go match some of Ahmed previous videos about turbo charged engines. He will tell you that turbo charges on an economy car make sense, they are not trying to make crazy about of power. But a turbo charged car on an suv is not a good idea dude to the amount of power and stress the engine go through especially an inline 4. So once Scotty is horse crap. Turbo chargers can last a very long time if the application is right now and people keep up with their maintenance. Heck I have a 2010 Nissan GTR that have twin turbos and with about 100k miles and the engine and turbos are still going strong because I keep up with my maintenance and don’t overkill the car. Wonder what Scotty has to say about that
I quit watching SK years ago. I can't stand his "you're stupid if..." nonsense. He's become a total clown.
@@dlg5485 *Best decision. Having hit the three black dots next to his appearances on right side of page to blank that narcissistic, whining clown; life is good. Cheers!*
I work as a mechanic daily. AMD, I agree some jobs it's best to take "book time" and throw it in the trash. Just the times quoted are too short for what the job is sometimes, it's not too often that happens but it does.
Many blessings to you and your family, The Lord Jesús Bless you greatly 🙏🙏🙏🙏from Yorktown Texas 🇨🇱🇺🇸🇵🇷🇵🇷🇵🇷🇵🇷🇵🇷, Thank you your videos 👏🏻👏🏻👏🏻👏🏻👏🏻🇵🇷🇵🇷🇵🇷
Good advice for life in general: Tackle the tough stuff first.
Finally, a video that applies to Ram owners. This is such a common problem on Rams with Hemis. I unfortunately just discovered the ticking noise (no, it's not a Hemi tick) on mine for the first time at 72,000 miles. Going to try and get the extended warranty to cover it. Crossing my fingers because I know how sleazy those extended warranties can be.
I have a 2014 1500 and was thinking the same thing....
@@sgnt9337 Bummer. I haven't even looked into how easy they are to repair yet. I'm hoping it's DIY friendly if the dealer doesn't want to do it.
My father took his off and had them milled level . They where warped . A new set will warp and its best to use the heat cycled set unless you have corrosion.
@@steventenney8797 How easy are they to get off?
the exhaust manifold isnt too hard of a DIY on the ram if you are used to making your own repairs and have a free afternoon. It might be worth getting a local shop to put on an aftermarket set that wont have the issue as easily if you rather not do it yourself. if you can live with it you can just leave it until it get bad or doesnt stop after a minute or two. As for the warranties, I believe you need the max powertrain warranty to cover this but as old as the 5.7 hemi is there are tons of videos on how to do it, just dont get in too deep over your head since it definitely isnt a beginner repair. IMO its a much better investment to get a warranty that covers electrical stuff since the powertrain pretty solid on those trucks so long as you do proper maintenance. the electrical issues as they age can be nonexistent or a nightmare though.
It’s worth mentioning that the exhaust manifold itself is also very expensive since it includes an integrated catalyst. Not sure why this sequoia didn’t have it but my 2008 4Runner did.
Sequoias and older tundras don’t have cats on them. 4runner V8 and GX470 do have it
California emissions? "50 states" sticker?
Dear AMD, greerings from PA. 3 years ago we bought our 2005 Sequoia Limited which has been driven 190K mi.After some repairs caused by negligence, this is the most reliable car so far I own/owned (the oldest current car is our 1986 Camry GLi liftback) in Europe.
Our LS 430 about 10 years in possesion has caused more trouble with now 143K mi., the notorious Y pipe, britle hoses and bank1 getting moist below valve cover. Radiator had a microscopic leak, as well.
Had my whole exhaust system replaced on my 08 4Runner and it was like $7K and took them 2 weeks 😬
When I worked at a Chevrolet dealership and a dodge dealership,back in the day . I never made flat rate bonuses and the vehicle weren’t as complicated as today
*Actually, you are informing us you placed "doing it right" above "beating the book". Respect!*
@@blackrifle6736 👍🏻
I just replaced my exhaust manifold on my boat that is in salt water. I feel your pain. Got it done. 👍👍
Thank you for the walk around Ahmed. I learned some valuable tips from this video.
Well said... some jobs just wanna make you throw your tools and become a gardener...
Thanks as always from Japan, where fortunately rust is rare except on the very oldest vehicles.
I remember the first Gen IS F had this manifold problem.
I like how this video shows the problems mechanics face that customers dont know about
Just looking at it I can already tell that this car is NOT MAINTENANCE FRIENDLY WHATSOEVER. Whenever I see vehicles like this, I just walk away versus buying one.
Much respect to all caring mechanics out there! You are all a blessing!!! Thanks for a great video ❤
i did this job with my father on a 2001 Tundra with the 4.7L that i used to own. took us 3 days and idk how many trips to the toyota dealership parts counter to get done. its was torture.
It's definitely a PITA, but I have done about 8 sets of header swaps on the 4.7l one was a Sequoia and it was about an hour longer a side. The fun ones are the full length headers in a 4wd tundra lol.
Thanks Ahmed for this excellent video and your detailed R&R explanation. Man I sure hope the exhaust manifolds on my 2006 LS430's 3UZ-FE don't share the same engineering design-- YIKES! 😮
I had to remove the left side engine mount on my 06 Tundra to get it out. Ended up replacing the stock manifolds with some JBA headers.
*Smart move. Not cheap but worth every cent spent. Cheers!*
Everything is so tight in place.
Thanks for this video.
I've had broken studs on Ford F350 V10's in the past. Splash shield came out but like you said, the shock tower was in the way and yes, that's where the broken studs were. Heat was a big help but you have to be cautious with aluminum heads.
Replaced pair in lx470 was a PITA. But DIY. Now I need to do another:(
I had a 2000 Tundra that had the exhaust manifold crack after 3 years (just outside the warranty). The dealer didn't help and I eventually traded it in. I agree this was terrible design by Toyota.
I have a 2001 Tundra and the exhaust manifold did not crack until 140K miles. I had an independent mechanic do the job, but he warned me if the bolts broke, the repair would be expensive. Fortunately no issues. Toyota replaced my entire frame, all the bushings, etc. at 110K miles. The dealer has it for three months because they kept needing more replacement parts. I still have the Tundra and at 180K miles the underside still looks very clean.
Ford and GM trucks and SUVs suffer from broken exhaust manifold bolts. I’ve seen exhaust shops create “tools”, technicians with long arms and MAF torches in order to remove the broken bolts. Rust (road salt or brine slurry) adds to the dimension of this job I’ve seen technicians 🤬🤬🤬 in order the complete the job within the specified hours. We rate each case on its merits and adjust labor rates based on welded exhaust pipes, etc. It’s just part of life for vehicle and shop owners.
Great video. The dealer just replaced left and right manifold on my 2023 GX with just 2K miles.
Would it help to remove the inner fender liner? Just a thought. As you know on many cars you need to remove the cowl to get to anything. GREAT content as always!
The fender liner is not in the way. The strut tower in the frame is what makes this difficult
I've gotta do at least one exhaust manifold on my 5.7 Tundra. Been dreading it. It seems easy in theory but theres like no room I can't even see where its leaking from. And the part is like $600+...
*Swain Tech coated, JBA short tube headers might be your answer and Toyota Tundra Forums are your friends. Cheers!*
Great content, thanks for the thorough explanation. As a 2003 Sequoia owner, I really appreciate this!
That blue matrix on the back ground looks beautiful.
I had an 01 and other than the trans going out....common issue as well, it served me well.
Love your Toyota Knowledge Buddy! Hey from Canada
My 2007 Tundra 5.7 3UR is starting this. Going to leave it!
Looks like Toyota has repeated their bad habits. I have this exact same problem with my Toyota all-wheel drive Corolla. The difference is that I can change the manifold myself.
It looks like Toyota got some advice from Ford when figuring out where locate the manifold goes. This reminds me of the Ford 5.4L 3v engines where the bolts break.
My 2007 Camry sounds like the same. And mechanic told me it was the resonant went bad. After replacing the resonant, it works OK. Don't know why Toyota added a resonate unit between the exhaust pipe and muffler.
Very informative. I have a 2002 LX470 with 236,000 miles well-maintained and no symptoms yet; however, I will be expecting it to happen. At least, now I know what to watch out for and the replacement job, not a DIY as you mentioned. Thank you so much.
WOW! WHAT A PAIN!
I just had this done on my 07 4 runner to pass e check..so far so good...they charged me 10 hours...
Hey, at least you don't need to remove the intakes pipes, throttle body, EGR and EGR inlet, upper intake, and rear radiator fluid bridge just to get to the starter like you do on a 1UZ.
All the UZ engines including this sequoia have the starter underneath the intake manifold. Not a bad job when compared to the UR engine starter location
@@TheCarCareNut oh, i had no idea the UR engine continued this poor design
I love my UZ in my 4runner. I have the manifold leak, it's on the one of these days list.
Great episode as always! I would love to see AMD's perspective on the 1G Tundra & Sequoia poor braking issues. Not to mention the antique rear drums.
My 05 tundra SR5 DC has never stopped strong or consistent. The dealers and Indy shops can't find an issue but I read the forums and there are many threads about it.
when i run into exhuast like that, i just cut them and then re weld it afterward.
Me too dude the hell with taking the whole damn car apart
Did both sides on our 02 sequoia, what a nightmare it was
My 03' V8 4runner luckily the Exhaust Manifold still good. No leaks (Cali Car) 😅
Is Amd fixing Scotty's blue Toyota in the background? I can see Scotty's title on a video, I'm retiring and The Car Care Nut is fixing my Toyota's! 😄
We've owned two 4.7 V8, and I totally agree with you... 😅
I own a sequoia with the same situation with a new frame, yet my manifold only leaks slightly on startup. However, I keep a CO gas detector in the car just in case. Other than that 228k going strong.
You could ask customers to call in a week before the booking so you can apply release agent to all the necessary fasteners. Might make life a little easier.
If they park the car and don’t run it, it can work. Problem is it will start smoking shortly after starting it because of the heat
Thanks for sharing all your thoughts working on cars 😎👍
Had a shop try and fully weld a custom exhaust on a car in the past. I told the guy to use all the flanges that I supplied - along with the pipes, the cat, and muffler. He couldn't see why I was concerned about not using flanges to assemble the exhaust in sections; the downpipe, the cat, and the cat-back.
I bet you soaked the nuts in brake fluid! Brilliant tip from you!!
Doug thorley stainless headers. Fixes this bonehead design 👍🏻 Glad my 2004 4runner doesn’t have that stupid secondary air injection nightmare….
If one side leaks ,eventually the other side will. Replace both.Disconnect exhaust on both side will give you enough room to pull it out the back with out disconnecting exhaust. I just welded the inside of both manifolds on every one. Good for another 400k km. Studs are big, which is nice. You could be looking at Ford v10 which come pre broken. Haha.
I own 3 cars with this engine, a tundra and 2 100 series Landcruisers. I hope I never have to either do this job or pay for it. Good grief
Exhaust manifolds warp, very common on most V8's... Toyota isn't the only automobile MFG with this problem.
Regardless of the exhaust manifold design...
I have 03 with 185k as well the ticking noise started when cold and I raplaced them with Manzo headers.Also I have to replace Radiator,ABS PUMP timing belt brakes.power steering lines .rear main seal 😅
Dang. Now I've got to go check out my 23 4runner.
Hope it is easier to do than that
I have a 1gr-fe in my Hilux. the exhaust manifold on this engine is a piece of 40mm water pipe at best. I always use genuine parts, great quality, but I had to fit a set of Extractors. Now? So much better, more power, better fuel economy .
Nice thorough video, Ahmed!!
My favorite YT Toyota mechanic is super useful 😎
I feel the pain; I had a 2001 Sequoia it's whole life in Michigan and the rust was bad, got a new frame under recall. Fortunately, the driver's manifold cracked very early on, so the rust wasn't bad for getting it out (and I put JBA headers on instead). Over the years went through 2 racks, 2 exhausts all thanks to rust. And then a tree fell on that truck while driving it in 2018.
In early 2022 I picked up a 2005 Sequoia with 220k miles from Missouri so it's really got barely any rust. No manifold cracks yet, I'm crossing my fingers.
I know how you feel working on 05-08 Toyotas in North East NY with the rust. I watch YT videos of rust free repairs. Its frustrating to get through a job unscathed. Thats a tough job.
Replacing the starter in the V of the engine is a fun time too.
My favorite comment from the muffler shop welder was "once it's welded on it ain't my f***ing problem"
Not easy but definitely doable the secondary air pump goes bad on these as well I own an 06 sequoia 180k no exhaust leak issues it is what it is
Awesome video! I had to explain this repair to a customer.
Great video. I drove my beautiful 2002 Tundra V8 for 18 years. It was a trouble free beast. But I am glad I sold it before the rust took over. Never had an exhaust leak though!
I'm dreading this job one day... my 361k mile 2000 Lx470 has both manifolds leaking :(
*Swain Tech coated, JBA or SS Doug Thorley short tube headers might be your once-and-done solution and Toyota Tundra Forums are your friends. Cheers!*
That’s VVTi version of the 2UZ-FE … subsequently it also has the air injection system is part of the missions control underneath the intake manifold to warm up the catalytic converters quicker upon cold start. That goofy header is designed to be incorporated with this air injection system. I only know of one aftermarket manufacturer, who makes a header for that, but it requires the air injection system to be bypassed. I know Doug Thorley just started making headers for the VVT motor in the land cruiser and I’m pretty sure that they would make one for the Sequoia. Regardless, this job is a nightmare and at least in the land cruisers it was only the 98 through 2001 models that had the ticking exhaust manifolds. My 06 is still quiet fortunately but when it goes I’m gonna delete that air induction system and put some block plates on the Doug Thorley headers for those extra holes. I love your channel man. So much good info on here.
99ford f350 5.4 l I spent 3 days doing manifolds...broken bolts.. welding nuts on....no drilling for me. All new stainless studs and nuts..I feel ya
Great video. Make more Toyota truck and Toyota V8 videos like this please!
I just love watching your vehicle inspections. It's like a virtual treasure hunt.
I have a first Gen Sequoia and a first Gen GX, both the 2uz of course, the sequoia I have is pre vvti, but both have the dreaded manifold leaks up in northern Ontario Canada, the salt just eats them up.
Really though, that's my only real complaint about these vehicles other than frame issues of course. I love these vehicles I've saved so much money from buying these that I don't even mind the manifolds. I do all my own maintenance though.
I guess that is when you call in sick at the dealership! LOL!! Great video!
That's really bad when the driver can smell exhaust fumes in the cabin, and is a definite safety problem. I had that happen in a semi truck and the problem was the exhaust outlet pipe flange on the turbo. The flange was torn away from the pipe for 3/4 of its circumference.
Ford Triton V8's has a exhaust manifold issue too.
Thanks AMD.
Would love to see a starter replacement on a 2003 Tundra V8..
A franchise muffler shop getting the valued customer back on the road as soon as possible! While-u-wait!
As a guy who mostly works on German cars, I enjoy watching your videos. If this happens to me, i just drop the entire driveline 😂
I really like the way you show the problem with the bearing and because of sound I find that me from Bering was bad and I when to the mechanics to fix it thank you
That would break my heart living in a rust belt
excellent explanation and strategy!
RUclips always make auto repair look so easy its not always lol
I replaced both sides on my 2006 GX470 in 2 days. My mechanic friend let me use his lift on a weekend. One tip, if you’re planning on keeping your truck for a long time look into using Doug Thorley headers instead of OEM replacement manifolds as the latter will be prone to cracking once again.
Don't have one of these vehicles but was curious if there is a better aftermaket header for these engines.
GX470 and Sequoia have same 2UZ-FE 4.7 v-8 engine. Doug Thorley makes a stainless steel header for both applications.
Great philosophy, do hardest first! Too bad they don't make headers & better yet stainless headers. Cost a bundle, I'm sure but be a thorough job. It IS a clean Sequoia. 👍
*To repeat myself: Swain Tech coated, JBA or Doug Thorley SS short tube headers are your answer and Toyota Tundra Forums are your friends. Cheers!*