97 Catera oil in coolant

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V6: 3.0, 3.2 LA3, 3.6 LY7, 3.6 DI LLT Discussion, 97 Catera oil in coolant in Cadillac Engine Discussion; I need help please. There doesn't appear to be any oil in the crank case, only oil in the cooling ...
  1. #1
    gvessel is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    Mar 2007

    97 Catera oil in coolant

    I need help please. There doesn't appear to be any oil in the crank case, only oil in the cooling system. Is the problem more than likely a faulty oil cooler? What can I do to know if the head gasket isn't the problem? Wouldn't there be water in the oil too? Thanks

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  3. #2
    Nels's Avatar
    Nels is offline Cadillac Owners Fanatic
    Automobile(s): 2003 Cadillac CTS Supercharged
    Join Date
    Feb 2006

    Re: 97 Catera oil in coolant

    You would need to have a leak down test done to determine if the leak is coming from inside the engine. More often the trany cooler is the cause.


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