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Tundra piston slap?

Discussion in '1st Gen Tundras (2000-2006)' started by 2001LC, Feb 4, 2018.

  1. Feb 4, 2018 at 12:58 PM
    #1
    2001LC

    2001LC [OP] New Member

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    The one big question I have: Is the 2UZ-fe in Tundra/Sequoia developing piston slap?

    I heard this is the case from a well respected mechanic in Boulder CO.

    I'd like to hear what Tundra owners have to say on this!
     
  2. Aug 10, 2018 at 4:27 PM
    #2
    JesterSmith

    JesterSmith New Member

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    I haven't heard of that, but I have heard (once) that if over-heated the rings can burn up. No idea if any merit to this. From what I understand, it is a very reliable engine.
     
  3. Aug 10, 2018 at 5:10 PM
    #3
    Blueline

    Blueline New Member

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    My 5.7 has piston slap. It can be heard at the 4 minute mark while idling after a cold start. After it’s up to normal operating temp it settles down.
     
  4. Aug 10, 2018 at 5:59 PM
    #4
    JesterSmith

    JesterSmith New Member

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    Hmmm, I wonder if trying a different brand of oil might help with this. No idea though.
     
  5. Aug 11, 2018 at 12:30 PM
    #5
    Darkness

    Darkness New Member

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    Is this the same guy from ih8mud? That forum was full of... I'll be nice... misconceptions.
     
  6. Aug 11, 2018 at 6:45 PM
    #6
    Afkouki

    Afkouki New Member

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    I highly doubt any mass produced engine from a reputable manufacturer will have piston slap, especially only from normal wear and tear
     
  7. Aug 11, 2018 at 8:11 PM
    #7
    Darkness

    Darkness New Member

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    Hes been pushing this idea that American made 4.7 motors develop piston slap but the Japanese made 4.7 doesn't. Based on comments from a few mechanics. My truck has 230k on it, no problems and I don't baby it.
     
  8. Aug 12, 2018 at 6:26 AM
    #8
    Professional Hand Model

    Professional Hand Model Fred Brookes

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    What is this ‘piston slap’?
     
  9. Aug 12, 2018 at 7:55 AM
    #9
    Casper421

    Casper421 Adventure in a 1st gen

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    Worn pistons and/or cylinders creating a rocking movement instead of up and down. Too much space for the piston in the cylinder and the piston skirt is hitting the cylinder wall.
     
  10. Aug 13, 2018 at 10:36 AM
    #10
    JesterSmith

    JesterSmith New Member

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    Could be false / negative info. I've only heard good things about this 4.7L engine (extremely reliable, high mileage, powerful, etc.).
     
    OBXTundra likes this.
  11. Aug 13, 2018 at 3:56 PM
    #11
    Darkness

    Darkness New Member

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    I think the OP is secretly a Ford guy :boink:
     
  12. Aug 13, 2018 at 4:47 PM
    #12
    OBXTundra

    OBXTundra Member

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    Piston slap in a Toyota V8? Maybe, plausible, possible.....but very rare. I've known several friends, co-workers, and had 2 company trucks, all Chevy's, that sounded like a Farmall until they heated up. Once warm they were silent. This all has to do with the tolerance being taken up as the piston expands. My last Chevy 5.3 company truck sounded like my Ford 7.3 ;).

    Chevy V8's seemed to be plagued by this for years, I believe it's actually still a problem. But Chevy doesn't call it a problem, it's "inherent to their design and manufacturing practices". The Ford 5.4 was also hit-or-miss for slap.

    Some high performance MX bikes with very short-skirt pistons have slap. But this is accepted and it's considered normal. These are also bikes that are pulled apart every 50 hours for rebuilds. I wouldn't accept any amount of slap in a modern vehicle engine.
     
  13. Aug 13, 2018 at 6:28 PM
    #13
    Hondoman

    Hondoman New Member

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    I've had two gm 5.3 engines with piston slap. One developed early the other later. First one had 150k when I sold it and the other 226k. Neither burned oil or had issues related to the piston slap. I've known several others with 5.3 and piston slap along with a few fords. Never heard of it being an issue, but not saying its acceptable either.
     

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