Question about 1992 Buick Regal

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Cooling fans not working on a buick regal 1992?

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  • Master
  • 514 Answers

Change temp. sensor, maybe your sensor went bad, check fuse, fan relay

Posted on Sep 09, 2010

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  • Buick Master
  • 8,522 Answers

First check fuse in engine compartment. Use a test light to check for voltage at the fan connector. If no voltage at fan with engine running and hot, replace fan relay in engine compartment relay box. If there is voltage at fan, but fan doesn't run, replace fan. Any questions, please reply.

Posted on Sep 09, 2010

  • candice brinson
    candice brinson Sep 29, 2010

    Well u can check fuses for sure if you do not have the proper tools to check the voltage at the fans you can run a direct voltage feed to the fan with a jumper your coolant temp sensor is more for fuel ratio for the ecm it tells the car how lean or rich to run the fuel at the temperture the car is running however the cooling fan switch could be malfunctioning you can also turn on your ac when you do that it puts a draw on the system that actuates your fan to come on good luck

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Posted on Jan 02, 2017

  • 833 Answers

SOURCE: cooling fans will not run

Most GMs use a relay package to turn on the fans. That is often controlled through a processor package. Very complicated...if yours is one of them. You will need Mitchell's manual or equal to trace this to see if you have all the signals.

Posted on Jun 19, 2008

  • 508 Answers

SOURCE: 1994 buick regal cooling fan's not working

temperature switch bad goto dealer parts get diagram(they give free)find switch remove plug to switch (turn ignition key to on position)take short piece of wire jump plug wires see if fan starts if not check fan motors for operation if they do switch bad replace you can get better deal at local parts house than dealer on switch try that see if thats whats doing it!!!!Best Of Luck toYou!!!!

Posted on Jun 30, 2009

  • 236 Answers

SOURCE: my 1998 buick regal non turbo 3800 radiator

the electric cooling fan for the radiator will not turn on when the engine reaches normal operating temp, its only supposed to come on if the engine temp goes over the normal temp. (around 220 degrees)
it is normal for the fan to come on any time the a/c or defroster is turned on.

Posted on Oct 13, 2009

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the electric cooling fan for the radiator will not turn on when the engine reaches normal operating temp, its only supposed to come on if the engine temp goes over the normal temp. (around 220 degrees)
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Aug 13, 2009 | 1992 Buick Regal

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Both cooling fans will not come on


Did you try jumping the cooling fans with direct power to see if they worked and the fan motor isnt burned out?You can turn the a/c on while running the car and it should turn the fans on even if the car isnt heated up.

Mar 29, 2009 | 1996 Buick Regal Olympic Gold

1 Answer

Cooling fans will not run


Most GMs use a relay package to turn on the fans. That is often controlled through a processor package. Very complicated...if yours is one of them. You will need Mitchell's manual or equal to trace this to see if you have all the signals.

Jun 19, 2008 | 1995 Buick Regal

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