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2003 Pontiac Aztek Heat Blowing

Tiny
THE GARNERS
  • MEMBER
  • 2003 PONTIAC AZTEK
  • 4 CYL
  • AUTOMATIC
  • 170,000 MILES
I've never had problems with my heat system but this year we've experienced the worst winter in 20 years. The heat/defrost only blows on #5 setting. 1-4 worked even last week but this most recent storm hit hard. It's turned up to at least #4 to thaw the car out with all the ice storms we've had but I don't drive with it on a high setting.
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Saturday, February 8th, 2014 AT 7:11 AM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,757 POSTS
That is usually due to a burnt out blower motor resister but be warned that the reason they usually burn out is because of a tired blower motor that is drawing too much current so you may be replacing that also.
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Saturday, February 8th, 2014 AT 8:03 AM

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