Question about 2004 Pontiac Grand Prix

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My a/c stop working on my 2004 pontiac grand prix. Strangely enough a couple days later my girlfriend saw a spider on the dash and smacked it and the a/c started blowing. Now it works on and off. When its not working, I hit the dash on the passenger side and it starts blowing as if nothing was ever wrong. What's the deal?

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  • 2,113 Answers

Look for overheating wires melting their insulation just under the glove compartment in the passenger seat. This is the blower for the heater and for the air conditioning

Posted on Oct 18, 2013

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Posted on Jan 02, 2017

grease16
  • 58 Answers

SOURCE: 1998 Pontiac Grand Prix A/C Blows hot on drivers side coldeer on passenger

i have an Idea. first of all make sure that all of your vents are not plugged up. next check your heating coils to find out if only one side is hot or the other is only cold. i need more info

Posted on Jun 30, 2008

  • 6982 Answers

SOURCE: Pontiac Grand Prix Drivers side window won't go down

Most often on those the motors are shot. as soon as they are activated they overheat and slow down or stop. Only way I know of to repair is to replace them. You will need a manual to do this or do them one at a time so you can check how it goes back together by looking at other one. Motors are riveted in and need to be drilled to remove...use small bolts to re-attach.
I've seen motors online for about $30-40 each.

Posted on Aug 28, 2009

  • 88 Answers

SOURCE: 2002 pontiac grand prix ac tripping

must be low on freon

Posted on Sep 16, 2009

  • 57 Answers

SOURCE: 2004 Pontiac Grand Prix GTP front pass turn signal doesn't work

you would need to buy a blinker relay

Posted on Jul 11, 2010

roniecon
  • 6826 Answers

SOURCE: 1999 pontiac grand prix gtp dual airconditioning

Two things can be the problem,first,try adding ,a little freon,if it is low,it will only cool one side,then if this does not help,there is a door actuator motor that controls this,it could be not working,the dash has to come out to replace this actuator motor,if this was at all helpful,please rate,thank you.

Posted on Jul 13, 2010

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if its under the dash then it sounds to me like it could be the fan assembly rotating and rubbing on the housing. not to sound neanderthal but smack your dash with your hand a couple of times. it may dislodge whatever is causing the problem. keep me apprised of results.......phil

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The pontiacs have an issue with the ignition switch, I have a 2001 grand prix that did the same. The ac fan would only work on 5 and the headlights would go off if on 1-4 replace the switch and all is fine.

Jun 02, 2009 | 2003 Pontiac Grand Prix

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2004 Pontiac Grand Prix - lost all gauges on dash


Check under the dash below the cluster/dash area for a disconnected/broken wire.

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