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Pontiac: '97 Bonneville coolant leak

  1. #1
    Joe
    Guest

    '97 Bonneville coolant leak

    I have a coolant leak on my '97 Bonneville (no supercharger) but I'm not
    sure where. There is a spray pattern from the accessory drive belt on the
    underside on the hood. The engine mount brackets behind and below the water
    pump are wet, as well as the front and back of the ignition control module.
    It didn't leak onto the garage floor overnight, and it didn't leak when I
    observed the car running for a few minutes (the car was warm at the time).

    Is there a hose hidden somewhere that I can check before replacing the water
    pump (there was a little dinky one in that area on my '91 Ciera)? Is there
    something I can do to help identify the leak?

    Thanks,

    Joe





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  2. #2
    clare
    Guest

    Re: '97 Bonneville coolant leak

    On Sun, 11 Jan 2004 11:46:53 -0500, "Joe Hodsdon"
    <cannedluncheonmeatobfuscator.com> wrote:
     
    There is a hose under the alternator connecting the pump to the
    intake manifold. It has a "plastic" hose nipple threaded into the
    manifold. These nipples often crack and leak. The hose can also
    deteriorate, but the fact it does not leak onto the garage floor
    overnight points me to a bad water pump seal. 


  3. #3
    gooch
    Guest

    Re: '97 Bonneville coolant leak

    your water pump is bad. It has what is called a weep hole on the underside of the pump to let you know it's bad before it goes out completely.


  4. #4
    Joe
    Guest

    Re: '97 Bonneville coolant leak

    Thank you much.

    Joe

    "gooch" <com> wrote in message
    news:talkaboutautos.com... 
    of the pump to let you know it's bad before it goes out completely. 



    <clare @ snyder.on .ca> wrote in message
    news:com... 





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  5. #5
    JonH
    Guest

    Re: '97 Bonneville coolant leak

    How much longer could it last?


    "gooch" <com> wrote in message
    news:talkaboutautos.com... 
    of the pump to let you know it's bad before it goes out completely. 




 

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