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How do I fix my heater in my 96 Buick park av. When the temp. Is flashing. All I get is cool out of heater

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  • Cars & Trucks Master
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It depends on the problem. The system uses a programmer to control blend doors and the blower. The blend doors are controlled by vac and-or electric motors. When the temp flashes it is detecting a problem and may go into default mode.
You may need a scanner to access the body computer to diagnose it.
One of the blend doors is behind the glove box.

Posted on Dec 11, 2012

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: heater fan won't shut off

It's not a fuse problem. The controller switch is not working and needs replaced.

Posted on Jan 25, 2009

  • 2 Answers

SOURCE: 1995 Park Avenue heater A/C tempature reading flashes

Ii had the same problem, fixed it temporarily by detaching the battery for a moment, this reset the blinking temp display. Nevertheless, the solution to the problem was filling the air condition up with coolant.

Posted on Feb 08, 2009

michigan man
  • 3533 Answers

SOURCE: where is the relay for the heater located in a 1991 buick park av

there is a fuse box under the hood and if you are talking about the blower the relay for that is in the blower itself here is a place that sell only GM parts only it is Schram auto & truck parts and the # is 1800-292-1032

Posted on Feb 14, 2009

  • 491 Answers

SOURCE: '96 buick regal- heater not producing warmth. fan

Check the temp of the heater hoses going into the heater from the engine in the engine compartment.
If you have a temp gauge on the dash does it go at least 1/3 the way up the gauge from cold in normal driving.
You can take a garden hose and flush the heater....both ways back and forth then reconnect heater hoses and check for heat.
But.....The # 1 cause of no or low heat is the engine thermostat.
It needs to close tightly to force the engine coolant through the small heater core.

Posted on Nov 10, 2009

  • 1244 Answers

SOURCE: 1996 buick park ave. , heater fan for inside

the ac computer is on the fritz or the ac control panel has a short in it

Posted on Jan 19, 2010

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1 Answer

Have a 96 Buick Park Ave. In Aug I changed the thermostat because the temp gauge showed the motor was running cold. nothing changed. In Sept I had the water pump replaced because it started leaking. M


Is your 3800 producing normal heat? If so, the temp sensor is probably bad...If not, try replacing the radiator cap...if your system has air trapped inside, it usually runs hot, not cold...the heat is the key to functioning properly for you...Your radiator is a 4 stage huge system that normally cools very well...if you have heat, I still think your temp sensor is bad...ask to see one at your parts store, will help you to locate it. Hope this helps.

Jan 02, 2015 | 1996 Buick Park Avenue

1 Answer

Why does heater/ac on my '96. buick park avenue blow extremely hot no matter where the temperature cool/warm slide is set?


Those vehicles have 2 problems. The first is the temp rod clip breaks. Just lower the glove box door and look at the top with a flashlight. There will be a rod connected or should be. You will probably find the rod laying down on the case. Just go to your GM parts department and buy a new clip. Replace it and turn the heat on full and then snap the rod into the clip. The other fix is a "MAJOR" dollars. Usually the programmer on the side of the case, you will have to take it in for diagnostics.

Sep 17, 2014 | 1996 Buick Park Avenue

1 Answer

Heater fan runs with ignition switch off where is fan relay located


I think the fault is with the radiator temp censer , it acts as a on off switch, located on the radiator tank.

Sep 04, 2014 | 1994 Buick Park Avenue

2 Answers

96 park ave temp only gets 160 replaced stats twice


If the temp gauge is reading 160 when the engine is warmed up, the problem could be air in the cooling system, a faulty sending unit, or gauge.

Dec 09, 2012 | 1996 Buick Park Avenue

1 Answer

96 Buick Park Avenue, heater wont blow hot air. How can I tell if it might be the thermostat or the heater core?


Start the car and let it warm up. After it is warmed up open the hood. Look for your top radiator hose, and see if you can squeeze the hose, if the hose is hard to squeeze, the thermastat is stuck shut. If your heater core was out, it would be leaking badly.

Feb 26, 2011 | 1996 Buick Park Avenue

1 Answer

The steps please to remove the heater blower motor on a 1995 Park Ave. The check engine light comes on readily when driving or idling. The numerical external temperature/heater temperature setting...


  • Disconnect the negative battery cable.
  • Disconnect the blower motor lead connector from the wiring harness connector.
  • Remove the blower motor cooling tube from the blower motor.
  • Remove the four retaining screws.
  • Turn the motor and the wheel assembly slightly to the right so that the bottom edge of the mounting plate follows the contour of the wheel well splash panel.
  • Lift up on the blower and remove it from the blower housing.
  • Installation the new blower motor by reversing the removal steps.
  • Connect the negative battery cable.
  • Jan 02, 2011 | 1995 Buick Park Avenue

    2 Answers

    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

    Heater fan won't shut off


    It's not a fuse problem. The controller switch is not working and needs replaced.

    Jan 21, 2009 | 1996 Buick Park Avenue

    2 Answers

    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.

    Jan 15, 2009 | 1994 Buick Park Avenue

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