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Cooling system issues

This is a discussion on Cooling system issues within the Firebird / WS6 forums, part of the Vehicle Specific category; So it's starting to warm up down here in Texas, so I've had to turn on the AC a few ...

  1. #1
    Member Hawk23's Avatar
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    Feb 2008
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    Quicksilver Metallic
    2005 GTO

    Cooling system issues

    So it's starting to warm up down here in Texas, so I've had to turn on the AC a few times. Every few minutes or so, there would be a hissing sound and the air would get all warm. A minute or so later it would kick back on and get cold again. While this happens, there seems to be a mini surging type thing going on with my motor. My amp meter drops to about 12 and then goes back up to 14 then 12 and so on. Anyhoo, I was sitting in a drive through and then the surging stops, the air got really warm, and my temp guage went from normal (just below the middle line) to into the red in about 10 seconds. Once i got driving again, the air got cold again and the temp dropped back to normal. I got home and popped the hood, no steam or anything, but the coolant overflow was bone dry. I'm taking her to a dealer tomorrow (have a warranty) but was wondering if anyone might know what the hell might be wrong with my car.

  2. #2
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    847

    Pewter
    2000 Trans Am

    Condenser fan might not be working
    AC Compresor might be going bad when it surges like that sometimes it interferes with the water pump during Idle.
    Thermostat might be starting to get stuck.

  3. #3
    someday joejenkinsglass's Avatar
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    green
    98 formula

    the a/c system is low the voltage drop and the surge is from it kicking on

    the a/c will work without water in the radiator but definitly keep it topped off

  4. #4
    Member Hawk23's Avatar
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    Quicksilver Metallic
    2005 GTO

    it was the fan motors and relays. All burnt out. $500 bucks, only half covered by warranty. anyhoo...

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