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  1. #11


    Quote Originally Posted by murray92589 View Post
    oil looks like it was changed recently. We'll see what the shop says on friday... I hate buying parts and not fixing the problem.
    i know the feeling, if it is something simple i will do it myself, but when it comes to a difficult issue i rely on an experienced tech.

    from what you describe i would have pulled the heater core and see what it looked like and if fluid was flowing through it.
    1994 Chevy Silverado {the work horse}
    1996 Ford Explorer {daily runner)
    1997 Buick Lesabre {wife's car}
    1989 Buick Reatta {my baby}

  2. #12
    Sr. Engineer Dana W's Avatar
    Join Date
    Dec 2011
    Chuluota, Florida


    Wouldn't be the first time there was an air bubble caught in the system after the last refill of coolant.

  3. #13


    The coolant issue seems to have bled itself out, and I'm not hearing the bubbling anymore.

    The shop diagnosed my two codes as both being caused by a bad catalytic converter. I am looking at magnaflow 23457. Are there any other high flow, or high performance options for cats? In the next few weeks/months I'd like to go ahead and do a cat-back exhaust.
    1996 Chevy 1500 W/T 4.3L V6

  4. #14


    that looks like the best one, i looked at a few others and for price and quality you dont get any better

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