Question about 2002 Pontiac Grand Am

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01 pontiac grand am is getting warm when sitting but fine while going down highway.... fans wont come on they have 13 volts at the plugs at the fans... changed out the relays in the fuse block for both fans and still got no fans any ideas???

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Temperature sensor isn't providing ground for relay. Stop replacing things. Pull wire from temp sender and put the wire to ground and see if the fans come on.

Posted on May 22, 2011

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You have a bad fan!!

Posted on May 22, 2011

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How does the fan operates, does it starts and stop. Car shuts down, red light come near milage guage, have to let car cool down and start again. Can fan cause this problem? Pontiac Gran Am 1998.


the cooling fan should come on about 105-107C and shut off about 95-97C
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but if the car overheats on the highway then it's not the fan
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