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Buick Regal 2000 Heater Control Panel

My heater/ac control panel isn't working correctly. It kind of has a mind of it own so to speak. When the car first starts, it works fine, but when I try to change something is when the stuff hits the fan. The buttons won't respond to being pushed. When I hit the defrost button, i have to hold it in until it turns on (by the way, the display doesn't show up either). Sometimes it works, sometimes it doesn't. It won't go lower then 90degrees when actually on. I have read that it could be some soldering issues. Any ideas?

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Posted on Jan 02, 2017


SOURCE: heater control wont heat. AC and fan works fine

The heater core was plugged and took 8 flushes to clean it . Would clean it would stop again. Have heat now .
Thank you everyone for helping.

Posted on Sep 20, 2008

  • 6826 Answers

SOURCE: 2000 Buick Regal

Check plug in on ignition switch,and if it is good ,replace the switch.

Posted on Aug 07, 2009

  • 192 Answers

SOURCE: I have numerous proglems.

Your rear turn signal flashes fast because the front is not working. Most likely you have a burnt out bulb in the front. If your A/C compressor can be turned over by hand and doesn't lock up or make any clanking sounds it's probably alright. The compressor will not run if the system is low on refrigerant. If you're having problems with the A/C and heater controls, that would be the first ting to repair. It doesn't sound at all like any electrical problems.

Posted on Jul 20, 2011

  • 51 Answers

SOURCE: 02 cavalier AC fuse keeps blowing

ac clutch is going out

Posted on Sep 04, 2012

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SOURCE: My heater/ac fan sometimes won't work. What do I check first?

$24the AC light does not light until you turn the fan on, that is ok, the issue with your fan only working sometimes is more than likely a faulty blower motor, in some cases it is the switch, when the motor does not turn on try tapping it and see if that makes it work, if it does then it is the motor.
the switch at autozone is part number SW295 and is $16
the motor at autozone with the blower wheel is part number PM136
cost is $24

Posted on Sep 30, 2012

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Here's a list of possible culprits:

Priority Action Part Type Cause
1 Inspect - Antifreeze Needed - Coolant Level Low.
2 Inspect - Heater Control Valve - Leaking or Faulty Heater Control Valve.
3 Inspect - Thermostat - Thermostat Stuck Open.

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The Left hand Temperature Valve Actuator is AC Delco part #15-72972.
Their pictures are available in the online AC Delco Parts Catalog at:
Here are your parts search parameters:
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