Acura Honda Valve Adjustment V6 J Series (Mdx Misfire)

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This 2003 Acura Mdx 3.5L V6 had misfire codes for all 6 cylinders and a random misfire. Has 177k miles and i dont think the valves were ever adjusted. This video will show intake manifold removal, valve cover removal, and valve adjustment
Turns out the valve lash was way out of adjustment.
After the valve adjustment was done it ran great and did not set anymore misfire codes.
Should be similar procedure on most Honda and Acura J Series V6 engines 2.5 , 3.0 , 3.2 , 3.5 and 3.7
Hope this video helps, enjoy!
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P0301 cylinder 1 misfire
P0302 cylinder 2 misfire
P0303 cylinder 3 misfire
P0304 cylinder 4 misfire
P0305 cylinder 5 misfire
P0306 cylinder 6 misfire
P0300 random misfire

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20 июл 2024

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Комментарии : 49

@bekomcar554 Год назад

I suggest all aged Honda owners consider valve adjustment. I recently did JDM 2008 Civic 1.8. Exhaust clearance is 0.25mm but even 0.20mm feeler gauge just would not slide in. That just was that tight. After clearance fuel trim showed about 5% improvement and quieter as well. As always, yours just is crystal clear to understand with all the very fine details. Thanks again.

@nopjack7278 3 года назад

As an Acura TL owner, I really enjoyed the video and learned alot. Thank you for thoroughly explaining the necessary valve adjustments on these older Acura V-6s. Loved the neat camera shots when you lined up & adjusted each cylinder. Good stuff.

@youandiryan 3 года назад

Awesome video. I just did the valve adjustment on my Honda Accord V6 6-speed. I think it's the same motor as this. My car would miss fire like a bitch when it was cold. And wouldn't misfire at all or very little when it was warm. Upon getting to the valves. I noticed some of my exhaust were extremely tight and I could not even get the feeler gauges in. And the intake were really loose almost floppy. After I finished it tonight the car feels like it has so much more power. And it didn't seem to misfire at all even from cold. But I guess I won't know until tomorrow for sure! But it definitely made things better

@themediumbydesign5232 Год назад

Thanks for adding the information about the misfire codes. I keep getting engine light on and misfire codes on all 6 cylinders. My mechanic said I needed the valve adjustment, but wanted confirmation. I've got 145,000 miles and never did the adjustment. Time to "get it done." Great video.

@balkee42 8 месяцев назад

Just finished valve adjustment myself on my 07 TL. Kept second guessing myself. Still gonna double check each cylinder before i bolt the covers back on. Surprisingly none of my exhaust valves were tight. Even at 246k miles. And this car never had a valve adjustment. Intakes were very loose tho.

@shadowman1992 8 месяцев назад

That's the thing with me I'm not going to do this job myself and I don't want to pay anyone if I don't have too I have 155 k miles on my 07 ridgeline.

@VisionaryContrustion Год назад

Have the same issue on my girlfriends MDX. All cylinders misfire. Gonna order the gaskets and try this out!

@thejake8099 9 месяцев назад

Thabk you for taking the time to make this detailed video with the drive afterwards, very informative.

@TypOPositiv 2 года назад

well done! great video. I think I'm ready to work on my RDX just from watching this. Thanks!

@371francis 3 года назад

Awesome job. I have a lot respect for mechanics...they have a ton of talent.

@achurchill7553 3 года назад

Nice job, Thank you for sharing your knowledge.

@randombystander1112 3 года назад

First person to not tell me to yeet the tire off my car or tearing apart more then I need to tnx

@barrycassaday6316 Год назад

Very smooth sound!

@MrSamPhoenix Год назад

One of the main problems I see with this engine is how dirty it is. You tell the owner(s) didn’t change their oil often.

@mooleahhtoo5636 3 года назад

Try to find a video for my buddy and this is the best one

@kentsang6330 6 месяцев назад

Wow finally I found someone that did the valve adjustments for 2003 mdx same car as mines. Very clear and understanding video. 👍 thanx, just want to know after adjusting the valve is there anything I need to be aware of or do after install all the holes back and cover . Thanx

@jd-kv9in 4 года назад

Looks like another great day on the island. How much rust and corrosion do you have to deal with? Enjoying the channel, keep up the good work and vids.

@FixItPhillip 4 года назад

Thank you! Yes lots of rust and corrosion from the ocean, salt in the air, humidity... ive seen rotted frames, trucks folded in half on the side of the road from a collapsed frame.

@Drundel 4 года назад

Cool. So how long did it take you from start to finish? I've read about the valves on the CRV forum, but thankfully mine is running fine so far.

@FixItPhillip 4 года назад

This 3.5 v6 took me about 3 hrs. Take your time adjusting the valves dont rush, make aure their within spec.

@barrycassaday6316 11 месяцев назад

Thanks!

@jorgevillalobos2961 3 года назад

Hey Philip great video. I’m more of a curious guy that likes to understand what my mechanic does to my car. I have a 2008 Acura TL. He said I should get the valves adjusted. It has 116K. I don’t have any codes but I understand it is good to do as maintenance. I have had my transmission feel a little rough for about 6-7 months now. Would that have anything to do with valves? I’ve done ATF changes regularly , changed all 3 pressure switches. Btw how much should the valve adjustment cost for my car? Thanks so much in advance for your feedback.

@alcaicco1779 3 года назад

I hear if you swap your transmission fluid it should help your shifting issues

@Charkatak 3 года назад

Interesting to watch and learn! Do you know if J37 engine cylinder head covers require RTV to be applied?

@FixItPhillip 3 года назад

I dont believe so I think its just the rubber valve cover gasket. And the spark plug tube seals

@williamtreat5893 14 дней назад

did you do this job because you had a misfire on one cylinder or more than 1 cyl? i only have a misfire on cylinder # 5 i have replaced the fuel the plug and the coil. now I'm going to do a valve job on # 5 and I will check 4 and 6 while I'm in there.

@theboringchan Год назад

Do u have to look at the timing Numbers at the rear to adjust the rear? It's nearly impossible without a Endocamera?

@FixItPhillip Год назад

All the numbers are on the front cam. You can also use a mirror to see the numbers

@92Inquieto 3 года назад

Was this car shaky on cold start? Mines a 2004 MDX with 178k. Lmk thanks

@FixItPhillip 3 года назад

Yes would trigger multiple misfires especially on a cold start. Then would clear up as it warmed up

@peterzeboroff7448 3 года назад

Hi, Do you know if your timing belt was ever changed?

@FixItPhillip 3 года назад

It that milage Yes I believe so, at least once

@nunecookie8019 2 года назад

What's an estimated cost on this?

@loneric550 3 года назад

Have an 07 Acura MDX thinking of adjusting mines due to the same issue. Do I need to torque the valve cover bolts to a specific spec? Also Installed new spark plugs & ignition coils and still having misfires 🤬 went to Autozone & got the same codes & they printed me out a sheet suggesting valve adjustment. Thanks for your video it’ll help me get this taken care off & save me $500

@FixItPhillip 3 года назад

The valve cover bolts have a little shelf where they will bottom out, you should feel the bolts stop turning. I believe its only about 8 ft pounds. But you should look up the specs for your vehicle.

@FixItPhillip 3 года назад

Thanks for watching, good luck with your mix, please be sure to subscribe, much appreciated!

@anthonyvazquez6241 3 года назад

02 acura tl new plug and coils all 6 new

@anthonyvazquez6241 3 года назад

Hi my name is Anthony and I have the same problem and can seem to find anyone that will doo it and am from Massachusetts

@FixItPhillip 3 года назад

I'm not sure for that area. Good luck i hope you can find a place

@brandonlogan2600 17 дней назад

Do you absolutely need the angled feeler guages?

@FixItPhillip 17 дней назад

No, I'm sure you could use straight ones too

@brandonlogan2600 17 дней назад

@FixItPhillip thank you! I just hve 2 more questions though, it is possible to do this without having to fix a potential surging idle with a Honda OBD code reader and reset it? Could I just disconnect the battery, leave the TB hooked up clean the TB and get away with no surging idle after I put it all back togther and start the engine?

@FixItPhillip 17 дней назад

@brandonlogan2600 you can try a battery disconnect for about 10 min to see if it'll clear the code

@finoreviews_j3752 2 года назад

Hey you wanna do mine bro? Lol

@anglegrinder4630 3 года назад

10:30 Angry girlfriend walks up and throws a bag of tiny nuts and bolts in!!

@grizzy909 5 месяцев назад

Can this be an issue for an acura MDX 07 that is throwing 1 specific cylinder missfire, I have already done new plugs & coil packs & new fuel injector, could it be the valves for 1 cylinder missfire is my question?