Question about 1997 Buick.5 Regal

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I have a 1997 Buick Regal GS and the heater/ac

I have a 1997 Buick Regal GS and the heater/ac buttons do not work. None of the buttons (air flow, auto, ect.) work. Any ideas on what the problem might be?

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Posted on Jan 02, 2017

  • 674 Answers

SOURCE: water leak internal on buick regal gs 1998

there is a drain that must be plugged . it drains the condensation from the evaporitor on the AC system. these need to be cleaned once in a while. look from under the car around the firewall . you will see the tube. stick a wire up it to clean it out. and it will dry up.
good luck paul

Posted on Sep 12, 2008

  • 46 Answers

SOURCE: No heat, when I turn on heater- all cold air flows out

sounds like you have a stuck blend door in the HVAC system. If its not controled by vacuum the servo motor is bad or the vacuum line is bad. This door moves back and forth to go from vent to floor to defrost. and you have one to go from cold side to hot side. Hope this helps you

Posted on Jan 17, 2009

  • 71 Answers

SOURCE: Belt routing diagram for 98 Buick Regal GS

if serpentine, then it should be on the fan shroud or the radiator cover...

Posted on Mar 27, 2009

  • 1 Answer

SOURCE: 1997 buick regal gs starts but wont stay running.

Your fuel pump ballast resistor is bad if it's a super charged engine. you will find it behind the battery other side of the wall kind of hard to find. it's a large white ceramic rectangle this takes the load from the fuel pump allowing it to run.

Posted on Mar 08, 2010

Testimonial: "hit it right on the head ,replaced ballast resistor,which the dealer didnt even know what it was,and started right up ,thank you much sir"

  • 1902 Answers

SOURCE: 1998 Buick Regal GS: HVAC problem. Air does not

Your vent relay switch is bad and you will need to replace it. It is located underneath and behind the glove box.

Posted on May 31, 2010

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