Question about 2002 Buick Park Avenue

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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 a

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.

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  • 87 Answers

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

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  • 4 Answers

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.

Good Luck

Posted on Oct 30, 2008

blueextc3221
  • 15935 Answers

SOURCE: Replace Thermostat in 1998 Buick Park Avenue

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

  • 1 Answer

SOURCE: heater starts to heat then afer a minute blow cold

water pump

Posted on Jan 18, 2009

johnjohn2
  • 5763 Answers

SOURCE: 1999 Buick Regal blows warm air on one side of the car and cold

may have a bad blend air door actuator.

Posted on Oct 03, 2009

bozcro
  • 867 Answers

SOURCE: 2000 Buick LeSabre heater only blows cold

the climate control thermostat is not opening the valve to let the warm coolant in

Posted on Nov 29, 2009

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My heater is only blowing cold air in my 1996 buick park avenue. had the thermostat changed but it didn't get any better


Could be the diverter valve. It's the one located near the firewall2_bing.gif in the engine bay. The valve is in-line on one of the two coolant hoses that run through the firewall. Have a helper rotate the temperature knob back and forth, with the ignition turned on, and you watch to see if the valve is being adjusted. I'm guessing it isn't. Best of luck!

Jan 31, 2010 | 1996 Buick Park Avenue

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The heater blows mostly cool to cold air when the heat is set at 90 degrees. Coolant has been flushed and thermostat replaced


You probably created an air bubble, lock in heater core or the hoses that brings hot water to it when the coolant was replaced, you need to flush the system by loosening the heater hose at the highest point while the engine is running and is up to temperature.

Jan 13, 2010 | 1996 Buick Park Avenue

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92 buick park avenue won't blow hot air - temp control seems to be working


Make sure there are no leaks and that the system is full to capacity. After the vehicle has warmed up check radiator hoses for temperature differecial also check heater core hoses. A significant difference in temperature may indicate a plugged heater core or thermostat failure

Oct 22, 2009 | 1992 Buick Park Avenue

1 Answer

PA blows cold air everytime I restart the car


The cooling thermostat may be failing since this customarily diverts hot water to the heater core first to give a faster response. That isn't an expensive or difficult job to replace it so I would start there. If the system is going to be opened anyhow, I suggest you flush the system first. That may even solve the problem.
Coolant will be lost in the replacement so catch as much as you can to avoid having someone's pet lap up the stuff and die.

Feb 14, 2009 | 1995 Buick Park Avenue

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1995 Park Avenue heater A/C tempature reading flashes


one or more of your actuators is malfuntioning.  they ar eunder the dash.  I had a mechanic repair mine for about 400 bucks.  the dash needs to b removed and some very tight spots to work in.  the flashing is maybe caused from the sensor.  either outside air tempo sensor or inside. does it blink while showing the inside or ouside.  not exactly sure where the inside is, but the outside is in the center in front of radiator when u open the hood. black about the size of a tube of chap stick.

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1998 buick park avenue drivers side blows cold, passenger side hot


sounds like the drivers temp door actuator is not working should be located on the drivers side of the air box down by the gas pedal or center dash area

Oct 03, 2008 | 1998 Buick Park Avenue

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