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1995 Pontiac Grand Am vent problem

Tiny
SHAG4FUN
  • MEMBER
  • 1995 PONTIAC GRAND AM
  • 2.3L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 175,000 MILES
My blower motor recently quit on me. I troubleshot it with a multimeter and it was faulty. I replaced it but afterwards I have negligible air flow from the vent. That and I cannot get the switch to change from vent to defrost or any other setting. It's getting on toward winter and I really do need the defrost to work. I have checked the resistor and it is fine. There were quite a bit of leaves behind the resistor but they have been removed. I'm at a loss right now.
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Thursday, October 9th, 2014 AT 3:12 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
There are vent doors that move to change the air flow direction. They aren't moving. I can't remember for sure, but I think this has a vacuum actuated system. Check to see if there are any vacuum hoses off or damaged from when you did the work. Also, check to make sure there is a vacuum supply from the engine to the control panel on the dash.

This problem has nothing to do with the blower motor resister.
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Thursday, October 9th, 2014 AT 5:52 PM

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