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Fan only works when a/c is on - Grand Am Pontiac Cars & Trucks

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Which fan the engine cooling fan? if that is what you mean remember the fan only comes on when engine reaches 235 degrees F. (that is almost in the overheat area of the temp gauge) which means it hardly ever runs under normal driving conditions.

Posted on Aug 26, 2008

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Radiator fan not working


Hi, If your radiator fan not working change fan switch. If you know where is the fan switch disconnect it and see if the fan work when you put car on. If not check the fusem, fan relay and fan power problem.

Mar 03, 2014 | 2008 Cadillac Escalade

1 Answer

Fan does not work


FAN NOT WORKING


It can be issue with faulty motor or its faulty fan control relay.


Both are to be inspected.

Test volt at fan relay and fan motor.

-------------

For more help, I suggest you to go through the troubleshooting link mentioned below:-----

Click the link below: ------


Engine Cooling Fan not Working http://technoanswers.blogspot.com/2012/11/overheating-radiator-fan-not-working.html


---------
These will help.
Thanks.

Dec 07, 2012 | 2006 Kia Sportage

1 Answer

Dodge Stratus R/T fan doesn't come on while car is running and car is getting hot.


FAN NOT WORKING


It can be issue with faulty motor or its faulty fan control relay.


Bother are to be inspected.

Test volt at fan relay and fan motor.

-------------

For more help, I suggest you to go through the troubleshooting links mentioned below:-----

Click the link below: ------

How to replace Cooling Fan on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-cooling-fan-on-acura-car.html

--------------

OBD Code P1490 low speed fan relay ckt open-short

http://schematicsdiagram.blogspot.com/2012/11/obd-code-p1490-low-speed-fan-relay-ckt.html

---------------

Engine cooling components working?

http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

----------

How does Vehicles Engine cooling system works?

http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html

---------------

Hyundai Sonata cooling fan not working

http://schematicsdiagram.blogspot.in/2012/02/hyundai-sonata-cooling-fan-not-working.html

-------------

Fuel pump relay and cooling fan relay troubleshooting on 1997 ford thunderbird?

http://repairhelpcenter.blogspot.com/2011/10/fuel-pump-relay-and-cooling-fan-relay.html

--------------

Fan belt routing diagram for 2004 Volkswagen Jetta?

http://carbeltrouting.blogspot.com/2011/12/fan-belt-routing-diagram-for-2004.html

---------

Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html

-------------

A/C, heater, defroster fan, not working?

http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html

---------

Blower fan not running on Isuzu trooper?

http://technoanswers.blogspot.in/2012/02/blower-fan-not-running-on-isuzu-trooper.html

---------

How to replace blower motor fan assembly on 2000 GMC Yukon?

http://repairhelpcenter.blogspot.com/2012/01/how-to-replace-blower-motor-fan.html

----------

Heater AC or defroster fan not working on KIA?

http://technoanswers.blogspot.in/2012/02/heater-ac-or-defroster-fan-not-working.html

------------

These will help.

Thanks.

Nov 27, 2012 | Cars & Trucks

3 Answers

Fan won't work


It can be issue with faulty motor or its faulty fan control relay.
Bother are to be inspected.Test volt at fan relay and fan motor.-------------
For more help,i suggest you to go through the troubleshooting links mentioned below:-----Click the link below:------

How to replace Cooling Fan on Acura Car models?

http://repairhelpcenter.blogspot.com/2011/11/how-to-replace-cooling-fan-on-acura-car.html
--------------

OBD Code P1490 low speed fan relay ckt open-short
http://schematicsdiagram.blogspot.com/2012/11/obd-code-p1490-low-speed-fan-relay-ckt.html
---------------

Engine cooling components working?

http://repairhelpcenter.blogspot.com/2011/11/engine-cooling-components-working.html

----------

How does Vehicles Engine cooling system works?

http://repairhelpcenter.blogspot.com/2011/11/how-does-vehicles-engine-cooling-system.html

---------------

Hyundai Sonata cooling fan not working

http://schematicsdiagram.blogspot.in/2012/02/hyundai-sonata-cooling-fan-not-working.html

-------------

Fuel pump relay and cooling fan relay troubleshooting on 1997 ford thunderbird?

http://repairhelpcenter.blogspot.com/2011/10/fuel-pump-relay-and-cooling-fan-relay.html
--------------

Fan belt routing diagram for 2004 Volkswagen Jetta?

http://carbeltrouting.blogspot.com/2011/12/fan-belt-routing-diagram-for-2004.html
---------

Timing belt, drive belt, serpentine belt, accessory belt, fan belt, engine belt routing diagrams for all types of car models?

http://carbeltrouting.blogspot.in/2012/02/timing-beltdrive-beltserpentine.html
-------------

A/C, heater, defroster fan, not working?

http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html
---------

Blower fan not running on Isuzu trooper?

http://technoanswers.blogspot.in/2012/02/blower-fan-not-running-on-isuzu-trooper.html
---------

How to replace blower motor fan assembly on 2000 GMC Yukon?

http://repairhelpcenter.blogspot.com/2012/01/how-to-replace-blower-motor-fan.html
----------

Heater AC or defroster fan not working on KIA?

http://technoanswers.blogspot.in/2012/02/heater-ac-or-defroster-fan-not-working.html
------------These will help.Thanks.

Nov 27, 2012 | Cars & Trucks

1 Answer

2004 grand marquis fan quit working..replaced fan but still wont work


is this the blower motor fan for you heating and A/C or the cooling fan cooling fans have a relay blower fans are fused but controlled from switches inside as well as fuses

Aug 27, 2012 | 2004 Mercury Grand Marquis

1 Answer

Why would coolant fans not come on, fans work. Checked fans already, they work if straight wired.


Check coolant tempature sensor or engine tempature sensor or fan # 1 & fan # 2 relay modules .

Mar 13, 2012 | Cars & Trucks

2 Answers

How do i test the fan if i already replaced the relay and the fan switch and it still doesn't work? What else could be the problem?


you could apply 12v battery power directly to the fan itself...there should be 2 wires coming from the center of the fan, follow these and you should come to a plug that you can un hook as if to remove the fan. on the fan side of the wires, hook them to 12v power, one wire + one to - if the fan does not turn, switch the wires polarity and test again. ( the fan should run either way, polarity just dictates direction of rotation) if the fan spins, the problem is on the car side. if not the fan itself is suspect. test vehicle side with known good fan or test light.

Mar 24, 2011 | 1992 Toyota Corolla

1 Answer

One of my fan is not working 1999 Honda Accord


Which fan is not working, A/C or Radiator? Check fuses, if good disconnect fan plug, direct wires from battery to fan to check fan, if fan does not work change. If fan works check water temp sensor for radiator. A/C fan only comes on when A/C is switch on. Like wise radiator fan only comes on when water reaches a certain temperature.

Jul 05, 2010 | 1999 Honda Accord

2 Answers

Fan


You have to check the main relay fan fuse relay and disconnect the fan and try it directly to make sure the fan motor is fine if all this is well into the cavity where the thermostat is a thermal switch that sends it relay the signal to the fan you can disconnect and the fan has to start working if this works the problem is you have the thermal switch. Thanks

May 10, 2010 | 1998 Toyota Camry

1 Answer

Intermittent operation of interior fan - isuzu kb/trooper


fan speed resistor block blown if fan works only on full speed (because power goes directly to fan on full speed, not through resistor)
if fan doesnt work on full speed check for power at fan on full speed with test light if power there fan faulty
no power check switch bank assembly

Aug 06, 2009 | 1999 Isuzu Trooper

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