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1997 Pontiac Sunfire Heater and Air

Tiny
WEF777
  • MEMBER
  • 1997 PONTIAC SUNFIRE
  • 2.2L
  • 4 CYL
  • AUTOMATIC
  • 132,000 MILES
When I turn the Fan knob to the lowest and medium setting there is no air. The medium setting used to work but has gotten very weak. Only when I turn the knob to the highest setting does any air come out.
Wednesday, October 1st, 2014 AT 5:11 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
If the fan is only working on the highest setting, most likely the blower motor relay needs replaced.
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Wednesday, October 1st, 2014 AT 6:18 PM
Tiny
WEF777
  • MEMBER
  • 2 POSTS
Would the relay also be called a resistor? I was just wondering. Thanks for the help.
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Wednesday, October 1st, 2014 AT 7:22 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,700 POSTS
Yes, it's the resister. I have no idea why I said relay. Too many 15 hour days. I need sleep. Lol

Let me know if it takes care of the problem.
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Wednesday, October 1st, 2014 AT 7:32 PM

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