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Toyota Tercel overheated – likely damage?

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This topic contains 5 replies, has 2 voices, and was last updated by Nightflyr * Richard Kirshy 8 months ago.

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  • #987299
    Randy hamilton
    Randy hamilton
    Participant

    Hello,
    I have a 1996 Toyota Tercel that was severely overheated.
    I’m wondering on what your opinion would be on why it has used oil badly ever since.
    It usually smokes heavily.
    Compression is 130 give or take 1% on all 4 cylinders and specs call for 180psi per cyl.

    By the way….the head was rebuilt since and all new valve stem seals installed.

    Thanks !

Viewing 5 replies - 1 through 5 (of 5 total)
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  • #987301
    Nightflyr *
    Richard Kirshy
    Participant

    Considering the head has been refurbished.
    And I assume you did have both the deck and head checked for flatness prior to reassembly
    If this has started only after the overheating.
    Your most likely cause would appear to be piston rings as the source of the oil consumption.

    #987302
    Randy hamilton
    Randy hamilton
    Participant

    Piston rings is my prime suspect.

    As mentioned, the compression was very consistent across the 4 cylinders….but low.

    I would have expected some compression discrepancy if the head was warped.

    My only other big concern is warping of the block.

    #987303
    Nightflyr *
    Richard Kirshy
    Participant

    Might suggest performing a leak down test on each cylinder and pin point the pressure loss.

    #987307
    Randy hamilton
    Randy hamilton
    Participant

    The motor is already completely out of the car and disassembled.

    Thanks.

    Will use my internal mics to do the best I can to check for warpage before rebuilding.

    I also have som nice hones I can use to see if there’s any oddness in the cylinders.

    Taking the block to be bored, vatted, checked etc can get expensive. But then so is building a bad motor I suppose.

    #987314
    Nightflyr *
    Richard Kirshy
    Participant

    In that case..
    You could hone the cylinders and try to get a new set of rings.

Viewing 5 replies - 1 through 5 (of 5 total)

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