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1993 GMC Jimmy

Question: white smoke coming from tail pipe

Question

divadyad, Easton, ME, March 23, 2011, 11:17
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 Rookie

i have white smoke coming from my tail pipe even when it is warm i checked my antifreeze it was a little low so i filled it up dont see it leaking anywhere does anybody know what my problem might be?

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  • Answer #1

    ZeeTech March 23, 2011, 11:30
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     Master

    Thick, white smoke from the tail pipe is the usual sign of a leaking head gasket.
    Coolant enters the combustion chamber and after it turns to steam than exits through the tailpipe.
    A leak-down test could confirm this problem.

    Zee

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