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Timing Chain convince me otherwise.

Discussion in '3rd Gen Tundras (2014-2021)' started by Rebel Tundra Man, Nov 2, 2020.

  1. May 2, 2021 at 5:28 PM
    #121
    Vizsla

    Vizsla

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    If it was mine would only replace the failed No. 1 primary tensioner and send it, not much reason to replace anything that’s not broken/failed on a 187k 14 yo truck. But it sounds like you didn’t confirm the source before tear down, so maybe more caution is needed? And you know how much work it is to tear down lol.
     
  2. May 2, 2021 at 9:15 PM
    #122
    sixweeds

    sixweeds New Member

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    Thanks, Ruggybuggy!
     
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  3. May 2, 2021 at 9:18 PM
    #123
    sixweeds

    sixweeds New Member

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    Vizsla...Yes, just the primary. And a new water pump, belt, o-rings, gaskets, etc. Thanks!
     
  4. May 3, 2021 at 8:18 AM
    #124
    Rocko9999

    Rocko9999 New Member

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    What is the cost of the other tensioners? No way I am spending that much time taking the front off and not replacing all the parts if reasonably priced.
     
  5. May 3, 2021 at 9:09 AM
    #125
    Rebel Tundra Man

    Rebel Tundra Man [OP] New Member

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    My post about the finalization of mine was right at $3,000 for labor and everything, that was also using all Toyota parts. so I would say labor was anywhere between $700-$1000. so roughly $1000-$1500 for parts. that was: chains, guides, tensioners, seals, oils, and anything else that was needed for that replacement. I dont have the list handy to label everything needed.
     
  6. May 3, 2021 at 5:52 PM
    #126
    sixweeds

    sixweeds New Member

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    I just priced the parts for all the o-rings, gaskets, seals, a new water pump, etc. Here is the list.

    2007 Tundra Parts 5.7L
    1 EACH - FIPG
    1 EACH - 13540-0S020 TENSIONER
    1 EACH - 11213-0S010 CYLINDER GASKET
    1 EACH - 11214-0S010 CYLINDER GASKET
    8 EACH - 11193-70010 SPARK PLUG GASKETS
    1 EACH - 90311-A0005 TYPE T OIL SEAL
    2 EACH - 16341-38030 WATER OUTLET GASKET
    1 EACH - 90301-A0032 ORING
    1 EACH - 15193-0S010 OIL PUMP GASKET
    4 EACH - 11159-0P010 CAMSHAFT GASKET
    4 EACH - 11159-0S010 CAMSHAFT GASKET
    2 EACH - 96721-24025 ORING
    1 EACH - 90301-A0033 ORING
    4 EACH - 90430-A0001 GASKET
    1 EACH - 1610009491 WATER PUMP

    It came to right around $500 in parts. All OEM from the local Toyota Dealer. According to Toyota, the chains and tensioners are life-time parts and not necessary to replace unless they fail, like the primary No. 1 left side (driver's) tensioner did on mine. It was a lot of work to get this far into it, but I don't see the need to replace anything that ain't broke, and the rest of my engine looks pretty good. My suspicion is that from all the forums and YouTube posts that cover this, for some reason, that tensioner is the one that fails. That tensioner of mine, and the inside of the front engine cover on the driver's side is discolored as though it is a hot spot. My engine has never overheated or even run hot. But is seems that when the conditions are just right, the No. 1 tensioner gets starved for oil (usually when cold until the oil thins out and pressure is sufficient and then it works. And for a Toyota to have a part that might fail, considering the, perhaps, millions of 5.7l motors world wide, that's a pretty good engine. My chains and guides and the other tensioners all look great. Once I get the parts tomorrow and get it reassembled and started up, I'll repost with the outcome. For sure I'll be a bit miffed if that wasn't the issue. But I'm pretty confident...(knock on wood).

    Here's a pic of the tensioner that is bad. Notice the darker color on the tensioner and the chain guide. The rest of the inside cover and the other guides and tensioners look new. Screen Shot 2021-05-03 at 5.50.18 PM.jpg
     
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  7. May 3, 2021 at 6:32 PM
    #127
    Ruggybuggy

    Ruggybuggy New Member

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    Are you sure it's not a VVTI noise. The Toyota 2.5l has a rattle after you change the oil until the oil gets up to the VVTI.

    https://youtu.be/gwJ5BBHb9W4
     
  8. May 3, 2021 at 7:13 PM
    #128
    Dalandshark

    Dalandshark Recently infected with 5G

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    I replaced all four. Everything was close to $400. You should measure the chains, no good reason not to, but I didn’t. Felpro valve cover gasket kit includes vvti gaskets, the figure 8 gaskets, and tube seals... but not flat washer o rings.

    Also, I used permatex ultra gray Fipg it is the only one that meets Toyota spec and doesn’t dry in five minutes for the non pro mechanic (permatex optimum does not list the spec but is likely the same).

    Also, as you rotate the crankshaft the slack in chain will move around, as I learned.
     
    Last edited: May 3, 2021
    Ruggybuggy likes this.
  9. May 3, 2021 at 7:17 PM
    #129
    Ruggybuggy

    Ruggybuggy New Member

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    You should be good to go and you should be pretty confident that it shouldn't make a noise. Do you think the noise was VVTI or tensioner?
     
  10. May 4, 2021 at 9:02 AM
    #130
    sixweeds

    sixweeds New Member

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    Thanks, Dalandshark and Ruggybuggy. Good info. Picking up parts this morning...more later. If my makes noise after I reassemble it, then we'll know it wasn't the tensioner and possibly the VVT. Though I haven't seen any reference to the VVT being a problem on the 5.7l. Maybe I just didn't search for that?
     
  11. May 5, 2021 at 8:27 AM
    #131
    Rebel Tundra Man

    Rebel Tundra Man [OP] New Member

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    Mine has since to make the rattling and clanging noises since I had mine repaired.
     
  12. May 5, 2021 at 8:29 AM
    #132
    sixweeds

    sixweeds New Member

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