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Timing Chain convince me otherwise.

Discussion in '2.5 Gen Tundras (2014-2021)' started by Rebel Tundra Man, Nov 2, 2020.

  1. Dec 9, 2020 at 3:36 AM
    #31
    hagrid

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    I like the clogged variable valve timing phaser hydraulic control circuit theory. If the chambers in the phasers dont fill with oil they will slap back and forth.
     
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  2. Dec 9, 2020 at 4:28 AM
    #32
    Hightide

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    Posi-traction 4 on the floor Fuzzy dice

    Fortunately, it stops the noise at warp speed.
     
  3. Dec 9, 2020 at 4:32 AM
    #33
    Hightide

    Hightide SSEM #88 - 3MW - ASCM #2 RGBA#Q

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    Posi-traction 4 on the floor Fuzzy dice

    Thank you!

    I’ll go with the seafoam first and follow up.

    Just run 2000kms(1240 miles) and do a whole oil change with filter and all or just oil?
     
  4. Dec 9, 2020 at 4:34 AM
    #34
    Rex Kramer

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    Oil and filter.
     
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  5. Dec 9, 2020 at 5:19 AM
    #35
    Rebel Tundra Man

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    The mechanic that had my truck to help diagnose the noise did remove the belt and search for the issue. My only concern is if the spring is weak in the tensioner causing this to occur in the first place.
     
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  6. Dec 9, 2020 at 5:22 AM
    #36
    Rebel Tundra Man

    Rebel Tundra Man [OP] New Member

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    I change my oil every 7,500 miles. I dont trust the 10k either. and I think 5,000 is a little much just because most of my driving in this truck is around town, church, and long trips. My service light actually is set to come on at 7,500 miles as well I do believe. I have another thread about the oil being used, I been using valvoline high mileage 0w-20 and a toyota filter. I believe im on my 4th oil change since owning the truck.
     
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  7. Dec 9, 2020 at 5:24 AM
    #37
    Hightide

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    Every 5000 for me since the beginning.
    I think I went 5600 miles at one change.
     
  8. Dec 9, 2020 at 5:25 AM
    #38
    Rebel Tundra Man

    Rebel Tundra Man [OP] New Member

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    I guess my other question is, I am due an oil change, should I put the seafoam in with the oil and run it a little bit before I change it? My mechanic is checking into the issues to be covered by my warranty I purchased with the truck so I have it back in my possession for the time being.
     
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  9. Dec 9, 2020 at 5:47 AM
    #39
    JohnLakeman

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    After your confirmation that this noise can come and go instantaneously, randomly, and completely, and after hearing your oil change history, I am revising my "what I would do" opinion.

    If your mechanic finds that this problem will be covered by your extended warranty, I would let him or Toyota make the repair and don't bother with the Seafoam. If I'm right, it'll be a waste of time and money. The fact that the noise can come and go instantly says to me this is a mechanical problem with the tensioner, and it is not due to infrequent service.

    You've done shorter than recommended OCI for a third of the trucks life. For infrequent oil changes to be the problem, the previous owner would have had to never change the oil for 73K miles and that result would have been obvious. Even if the Seafoam helps temporarily, a mechanical weakness with the tensioner will come back, maybe when you're out of warranty.
     
  10. Dec 9, 2020 at 5:54 AM
    #40
    Rebel Tundra Man

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    This was also my concern would the problem arise again after a short time? My warranty is good for 4 years, unlimited miles, but I am also about to pay the truck off, so I need to make sure that the warranty doesnt drop after I pay the truck off.

    I am the third owner of this truck, unsure what the first two trade-ins/sales were for, but I remember on the carfax one of the owners had it for 25k miles and the other was the rest to get it to 73k. But like I stated in an earlier post I do not know any history of this truck before I got it, but have had no other issues with anything on it and made many long mileage trips in it.
     
  11. Dec 9, 2020 at 6:13 AM
    #41
    Ruggybuggy

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    Keep doing the 5k interval. Even at the dealership level we thought that the extended oil change that Toyota suggest was for environmental reasons and the dealership continued with the 5k interval (8k kilometers). Most people use their trucks under server conditions which included cold weather operation and short drive cycles so 5k should be followed.
     
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  12. Dec 9, 2020 at 6:21 AM
    #42
    Ruggybuggy

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    I would still try the Seafoam. It's a cheap way to clean out the engine in case you have a clogged passage to the tensioner. If after 2,000 miles the noise is still there visit the dealer. I would rather try some seafoam to try and clean the tensioner then have someone open up the engine for a tensioner replacement.

    The other side of the coin is that if they open up the engine and decide that the fault was a lack of maintenance your warranty may not apply.
     
    Last edited: Dec 9, 2020
  13. Dec 9, 2020 at 6:45 AM
    #43
    plumber802

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    I'll jump in on this thread too... Here is a video of my son's 2016 Tundra. Noise is intermittent. He has brought it to the dealership several times and unfortunately they could not reproduce the noise. Frustrating.
    https://www.youtube.com/watch?v=afkA1qmNt9w
     
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  14. Dec 9, 2020 at 7:25 AM
    #44
    17Yota

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    OP, I know you said you have an extended warranty, but I am curious if you got a quote from your mechanic, or Toyota. If so, how much did they quote for the job?
    Good luck with the fix either way.
     
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  15. Dec 9, 2020 at 7:33 AM
    #45
    Rebel Tundra Man

    Rebel Tundra Man [OP] New Member

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    The dealership will be last option. I have trust issues with mechanics and dealerships for above reasons stated, "Cant replicate this issue" kinda thing. I trust my mechanic with my life, he is like a second dad to me.

    I havent gotten a quote from anyone yet, but I do know its about a 14-15 hour job time according to my mechanic's computer software quoting system, I've read other posts about this saying its anywhere from $1500-2000 depending on certain parts being replaced as well I'm sure. He has a nation wide network forum thing he is in on and alot of the guys hes talked to on there as well are saying its the tensioner on the driver side of the timing case as well. and there are many that have had to replace just that one side of this part. Sounds to me like this is a Toyota issue that they should resolve.... may replicate with newer models with a little age.

    I have read so many posts saying how these trucks rattle and clank and make all kinds of noises which everyone takes to be normal, but I am beginning to wonder if it really is these trucks all have a major issue with this part, because I am seeing more and more of this emerging as I have started looking into it...
     
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  16. Dec 9, 2020 at 8:44 AM
    #46
    pickeledpigsfeet

    pickeledpigsfeet New Member

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    If it happens only at cold start there is a technique you can try that other people have had success with. Before shutting it down for the day, make sure and either rev it up to almost redline for just a sec or drive it hard. If it is sludge and the vvti phasers then reving it seems to free them up and they wont clatter at startup.

    This is not always the case but if it is tensioners then the noise usually goes away after a oil change.
     
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  17. Dec 9, 2020 at 9:11 AM
    #47
    Ruggybuggy

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    VVTI is a really noise generator on the Rav4 2.5. After an oil change on the first start they sound like the engine is going to grenade. Even with the clacking there were very few long term effects.
     
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  18. Dec 9, 2020 at 9:29 AM
    #48
    Rebel Tundra Man

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    This problem should not exist. There should not have to be a "technique" to shut my truck off every time I drive it.
     
  19. Dec 9, 2020 at 9:37 AM
    #49
    hagrid

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    Please rev your engine. For us!

    Spraynard will assist with an inspirational quote:
    "Once again, I salute my Imperator Furiosa! And my Half-Life Warboys!"

    V8!!
    V8!!
    V8!!
     
  20. Dec 9, 2020 at 10:21 AM
    #50
    Ruggybuggy

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    https://youtu.be/mhm-4kDBhio
     
  21. Dec 9, 2020 at 11:32 AM
    #51
    Mad Max

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    the tensioner has what appears notches which should hold its plunger out even without spring or oil pressure. Obviously this isn't happening on any since people are having the tensioner issue. If i had the extended warranty I wouldnt think twice about going to the dealer, documenting and if they cant replicate drive until breaks. I would not seafoam anything. Crazy in my opinion this isnt a lawnmower.....
     
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  22. Dec 9, 2020 at 11:55 AM
    #52
    Rex Kramer

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    SeaFoam is great for cleaning sludge & build-up in the oiling system, but not all that great in the fuel system.
     
  23. Dec 9, 2020 at 12:54 PM
    #53
    Ruggybuggy

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    Your going to be driving it a looooong time.
     
  24. Dec 22, 2020 at 5:26 PM
    #54
    Twintowers11

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    Ok...so my tundra had a #7 misfire, I saw.oil was in the spark plug tube, so I pulled the valve covers and changes the seals. While doing this, I checked the timing chain because it had been making the same noise...(truck has 350,000 miles). I decided to change the timing chain, water pump, fuel injectors and thermostat. I try to start it and it doesn't start, just turns over. I know I am getting fuel because I pulled a plug and there was fuel in there. With all that said. What should my next steps be to trouble shoot?
     
  25. Dec 22, 2020 at 5:59 PM
    #55
    Ruggybuggy

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    Are you getting spark? If you are and your getting fuel it should go boom if you have compression. Is it possible that you got the timing wrong on the chain?
     
  26. Dec 22, 2020 at 6:01 PM
    #56
    Twintowers11

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    Plates all lined up with timing marks on gears....I made marks before I took it off as well...I am pretty sure it is good to go???
     
  27. Dec 22, 2020 at 6:10 PM
    #57
    Ruggybuggy

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    Do you turn it over by hand before you tried to start it?
     
  28. Dec 22, 2020 at 6:11 PM
    #58
    Twintowers11

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    Yes several rotations...
     
  29. Dec 22, 2020 at 6:13 PM
    #59
    Ruggybuggy

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    Well if you have spark and fuel the only other thing to check is compression. Do a compression check to verify.
     
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  30. Dec 23, 2020 at 7:15 AM
    #60
    Twintowers11

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