1994 Pontiac Grand Am fan works intermittenly in winter/ fr

Tiny
LBATAILLE
  • MEMBER
  • 1994 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • MANUAL
  • 12,000 MILES
The fan for the heater works intermittenly in winter/ below freezing temps. Sometimes while I'm driving and hit a bump it will come back on after not working. Works fine in summer for A/C.
Also, where is the fan located? How do I go about getting to it? Do I need to take apart the dash?Thanks
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Saturday, December 12th, 2009 AT 10:50 AM

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Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,014 POSTS
The fan is located under the dash on the passanger side. And yes, you need to take part of the dash apart to access it. As far as the problem, it could be a bad blower motor relay that is reacting to the temp change. To be sure, you will need to check the fan to see if it is getting power when it isn't working. Also, I would also suggest making a new ground strap from the motor to a ground on the body to make sure it has a good ground.

Let me know if you have other questions.
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Sunday, December 13th, 2009 AT 1:09 AM

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