DO I NEED TO REPLACE MY HEATER/AC CONTROL ASSEMBLY?

  • Tiny
  • alfcd@hotmail.com
  • 2000 Nissan Quest
  • 160,000 miles

My AC/HEATER Blower fan speeds 1 and 2 stopped working a few weeks ago. Then about a week ago, speed 3 stopped working. Now only speed 4 is working. I'm fairly certain that the control assembly needs to be replaced with those symptoms. Do you concur?

Tuesday, October 4th, 2011 AT 3:03 AM

2 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,305 posts

Check and replace the blower motor resister.

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Tuesday, October 4th, 2011 AT 3:19 AM
  • Tiny
  • KHLow2008
  • Expert
  • 41,938 posts

Yes, symptoms indicates a failed blower motor resistor and not the control assy.

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Tuesday, October 4th, 2011 AT 12:21 PM

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