92 Buick riviera temperature gauge went all the way up when I turned on air conditioner then heard whistling noise. Turned it off let it sit.back to normal and drove home.

Asked by lynnb55 Jun 23, 2015 at 09:07 AM about the 1992 Buick Riviera Coupe FWD

Question type: Maintenance & Repair

Checked it this morning. Turned on air conditioner and few minutes whistling
noise again. Radiator is full. Fan is not turning.could it be thermostat. Or fan.I
don't know please help

65,590

firebird338 answered 9 years ago

I agree with tennisshoes when your A.C is off only one fan comes but when you turn on your A.C both fans come on so it sounds like the fan that comes on when the A.C is turned on may be going bad.

Mark helpful

Your Answer:

92 Buick riviera temperature gauge went all the way up when I turned on air conditioner then heard whistling noise. Turned it off let it sit.back to normal and drove home. 1 Answer

Checked it this morning. Turned on air conditioner and few minutes whistling noise again. Radiator is full. Fan is not turning.could it be thermostat. Or fan.I don't know please help

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