Question about 2002 Buick Park Avenue
2002 buick park avenue. coolant temp reads 165 when driving and heater blows cold air. sitting with car running the temp slowing creeped up to 208 and air got warm but as soon as we started driving again it dropped back to 165.
Manifold or head gasket possibly, are thereair bubbles coming up in the coolant overflow resevior?
Posted on Nov 20, 2014
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Posted on Jan 02, 2017
SOURCE: 99 park avenue blows cold
As snowbird said, it's most likely your passenger climate control system. Could be a short in a wire or a burnt acuator that moves the passenger door open and close. If you don't have the money or time to troubleshoot the problem you can pull down the glovebox and you'll see a metal rod about 8 inches long connected to the acuator. If you pop it off by the white connector, you can move it to full hot or cold. If it was the heater core it wouldn't matter where the air is comming out, it'd be the same temp.
It'll take you 5 minutes tops to simply check it by moving that door.
Posted on Oct 30, 2008
this doesnt sound like a thermostat problem, rather a restricted heater core.
The thermostat housing, however, is a cheap cross-your-fingers-fix, and can be located by tracing the upper radiator hose back to the engine. The housing the hose is clamped to is where the thermostat is located. Remove 2 bolts, and replace thermostat.
Posted on Jan 12, 2009
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