Question about 1995 Pontiac Grand Prix

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Radiator fans and a/c compressor doesnt turn on

Car runs aroun 220 and try to turn on air conditioning fans still dont turn on and a/c compresors doesnt switch on

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For the over heating prob i would check the thermostat hell just replace if has been done already there cheap for the ac get a gauge n check ur freon add if its low on the lowside servive valve

Posted on Jun 16, 2008

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Compressor Clutch disengages and Radiator Fan starts to run loudly


The radiator fan should turn on when the a/c clutch engages as this is designed to increase the cooling of the engine as the a/c increases the engine loading. But the compressor clutch should stay engaged as long as there is need for cooling, and disengage/re-engage as the temperature control calls for cool air. The radiator fan will shut off IF the engine temperature is cool enough to do so, as it is regulated by heat, as well as the A/c override.

If your air conditioning is not cooling the car and the clutch is simply disengaging prematurely, have the temperature control and relay checked for proper operation. Also have the refrigerant level checked to assure there is adequate refrigerant in the system and no leaks. My first bet would be the relay or the thermostatic temperature control under the dash.

Jun 14, 2014 | 2006 Chrysler Crossfire

1 Answer

Fan will not turn off


which fan? Interior fan, or radiator cooling fan? Is it the radiator cooling fan, or the fan controlled by the air-conditioning?

Run the vehicle, turn on and off the air-conditioning to identify which of the fans in the engine bay is the one triggered by the air-con and which is the primary cooling fan.
If the primary cooling fan is permanently engaged, then first try replacing it's relay as it may have fused closed.

Oct 29, 2012 | 2005 Cadillac Escalade

1 Answer

Does the radiator fan of toyota touring immediatly the car had been started


I would assume you have electric fans on your radiator. If you have air conditioning and it is on - then fans will run whenevr the air is on.

If you dont have air or it is turned off - and the electric fans start up immediately and dont turn off - then likely you have a stuck relay. Check your fuse area in the engine bay - there should be a series of relays. Check your fuse cover or service book for which one runs the fans. swap with another relay just to try. if they dont come on - bingo - go spend $10 and buy a new relay

May 01, 2012 | 1997 Toyota Corolla

1 Answer

The last few years I've experienced problems with


First try replacing the Relay for the system. If that doesnt work check/replace the pressure and temp switch on the drier. The 124 body style have issues with A/C overall so dont be too frustrated. Also in the short term try turning the temp wheel to max cold (blue dot) and restarting the car. Sometimes it will force the relay and compressor to lock on while driving. Also be aware if your Aux Electric fans dont come on the system doesnt get cooled properly and will not stay on.
Good Luck.

Sep 07, 2011 | 1995 Mercedes-Benz E-Class

2 Answers

Air conditioner not putting out cold air - had "freon" replaced - mechanic says radiator fan motor needs replacing ($500), but engine does not run hot - would this affect air conditioning temperature -...


Should have two fans one is the radiator fan and the other is the condensor fan .If the condensor fan does not come on then the ac will not work.

Aug 17, 2010 | 2003 Chrysler PT Cruiser

1 Answer

I just put in freon and now it wont give out cool air


Is the compressor engaging and did it engage before adding freon?
What is the pressure on the gauge for the low side? 25psi to 45 psi is normal when the engine is running and the compressor is turning.

If the compressor is not turning the pressure should read 75psi to 100psi, before the compressor starts turning.

Also, the radiator fan should go on when you engage the air conditioning by turning it up to max.

Jul 04, 2010 | 1999 GMC Yukon

2 Answers

My 1998 ford taurus overheats when idling but cools down when you drive what should I do?


Check your your radiator cooling fan should come on at about 220 deg. and off at about 210 deg. at idle with a/c off, if it stats to over heat turn a/c on, fan should come on right away, if it dont check voltage at fan motor, if you do have voltage, you have a bad radiator fan motor, more then likely the reason it don't over heat while driving is air is being push through radiator where it cool's the coolant before it goes back into the engine, at stop's no air running through and never cool's coolant .

Jun 26, 2010 | 1998 Ford Taurus

1 Answer

My cooling fan is not working. The fuse relay is working. How do I check to see if the sensor going to the engine is faulty?


good question, turn your defroster on, and see if the fan comes on then, if it doesn't then you may have a bad fan motor, radiator fans come on automaticly when the air conditioning compressor is engaged, this it to provide good subcooling for the pump, so if it doesnt come on with the a/c turned on and its not the relay, then its the motor, because the sensor was bypassed

Jun 19, 2010 | 1998 Saturn SL

2 Answers

96 cadillac radiator fans


No the radiator fans do not have anything to do with the A/C, they help keep the motor cool in traffic. It sounds like you might have done some damage to the wiring with the jury rig repair job.

Apr 20, 2009 | 1995 Cadillac Seville

1 Answer

1994 Hyundai Excel Air conditioning RADIATOR´S FAN works always very fast


this not really a problem as the fan speed is controlled by the high preasure switch in the ac system the hotter it is outside the higher the preassure will be in the system as hot as its been the preasure is high already when the compressor cycles it pulls suction on one side and outputs high preasure on the other the fans cool the condenser the higher the ambient temp the faster they go so all is fine...

Jun 08, 2008 | 1994 Hyundai Excel

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