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My 96 Buick Park Avenue is over heating . Radiator fans are not working and the A/ c blows warm air on high speed. What is going on ?_

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  • Cars & Trucks Master
  • 3,679 Answers

The rad fans are probably the cause get the temp sender switch checked , check for fuse relay ,

Posted on May 06, 2014

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6 Suggested Answers

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Posted on Jan 02, 2017

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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

SOURCE: 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.

Posted on Nov 06, 2008

  • 32 Answers

SOURCE: Blows no heat 1995 Buick Custom LeSabre

change the thermostat

Posted on Dec 18, 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

  • 718 Answers

SOURCE: I have a Buick park avenue ultra and i cant locate the radiator

1997 Buick park avenue ultra

The radiator is in the front of the car under the hood behind the grille. It will be rectangular shaped and have a fan set to blow against it. It will have a cap on the top. DO NOT REMOVE THE CAP WHILE THE ENGINE IS HOT. Beside the radiator is another rectangular shaped item that looks like the radiator but is the condensor for the air conditioner. It does not have a cap on top and is in front of the radiator.

The drain for the radiator is on the lower part. After draining be sure to close the drain before refilling.
Refill the overflow bottle as well.
AFTER you refill, let the engine run for about a minute while topping off the radiator so any air will work out of the system.
Then install and tighten radiator cap.

When you drain the radiator, dispose of the fluid according to local regulations or recycling center. Do not allow animals to drink any of it. It's poisonous.
You can get an auto repair manual from library, auto parts stores or the internet.

Posted on May 12, 2009

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Jan 30, 2016 | 1977 Buick Electra

1 Answer

What would make a 2000 buick park avenue over heat and shut off


over heating is from ---low coolant level--blocked radiator cores--fins missing from radiator cores--thermostat not opening--coolant temperature sensor not operating the cooling fan-- driving to fast and not engaging over drive ---if the fan is mechanical and there is a viscous fan hub then the hub is faulty ( overheating at lights but cools down on moving)-- faulty radiator cap--- air in cooling system--run fault codes to check for problems with mixture and timing---low tyre pressures at speed ---over loading--pulling a heavy trailer ---hilly conditions

Perhaps some where in that list you will find an answer to your question

Aug 20, 2014 | 2000 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

When I turn on heat, hot air from driver's side, but passenger's side blows cold. Is this something I can repair myself?


Normally it is a rusty control valve,

normaly the warm water from the engine heats a radiator inside the car the interior fan then blows air theough this heater radiator making your air inside the car warm.

now in this case you have two radiators and two valves, depending on where you want the heat left or right the appropriate valve will open.

normaly you can follow the water pipes to just before they go into the car there are to grey cylinder looking things with a plug.

You can try taking the valve out, opening it up clean it thouroghly and re assemble.

Feb 15, 2011 | 1996 Buick Park Avenue

1 Answer

I have a 1991 Buick Park avenue with 44,000 miles that is not blowing air through the vents. I just put a brand new resistor in and that changed nothing. The fan spins at a low speed when the car is turned...


Switch the relay with one of the other relays to make sure that this relay is good then go to the HVAC control programer which is behind the floor vent (middle). The Blk/gray wire is the one that supports the relay coming out of the HVAC programmer, but there is a chance that this programmer is bad. If that proves to be the case, I may even have one...let me know.

Aug 06, 2010 | 1991 Buick Park Avenue

1 Answer

1996 Buick Park Ave A/C Fan only works on low speed


It is out under the hood ,mounts in the heater case it has 4 wires going to it if your car has manual air and 4 wires coming out if is automatic control air.

Jul 24, 2010 | 1996 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

2 Answers

1996 buic park heater starts to heat then afer a minute blow cold


it sounds like you have a blend door problem. This is located in the HVAC sysem it closes a door from cold side to hot side. sounds like a bad servo motor or a vacuum leake on that motor. Hope this helps you, please rank this solution

Jan 18, 2009 | 1996 Buick Park Avenue

2 Answers

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.

Jan 12, 2009 | 1998 Buick Park Avenue

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