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  1. #1

    Default COOLING BUBBLING [Expired Topic]

    I have a 96 suburban 5.7 and its bubbling thru the over flow bottle just on excelleration, i was told it might have a cracked head or block or gasket leak? it doesnt seem to be blowing much smoke yet? the engine light isnt on eather.

  2. #2

    Default Re: COOLING BUBBLING

    Quote Originally Posted by bmx-dad
    I have a 96 suburban 5.7 and its bubbling thru the over flow bottle just on excelleration, i was told it might have a cracked head or block or gasket leak? it doesnt seem to be blowing much smoke yet? the engine light isnt on eather.
    You should have a cooling system pressure test performed when the engine is cold, and if there is no indication, idle the engine until it warms, then give it some acceleration. You might be able to loan-a-tool from Auto Zone. There must be some sort of leak.

  3. #3

    Default RE: Re: COOLING BUBBLING

    It was a cracked head, I sent it to get a motor put in. 200 thousand isnt to bad!

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