I REPLACED THE RESISTOR TO FRONT HEAT AND AIR ...

  • Tiny
  • johnnymack
  • 2006 GMC Yukon
  • 127,000 miles

I replaced the resistor to front heat and air, now the rear is just blowing cold air, do I need to have it re calibrated? It isn't showing a code either, could the rear have gone back to its default setting or something else possibly bad also?

Do you
have the same problem?
Yes
No
Tuesday, January 15th, 2013 AT 10:25 PM

5 Replies

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

Was it the blower motor resister that was replaced? If so, that only operates fan speed. Let me know.

Was this
answer
helpful?
Yes
No
Tuesday, January 15th, 2013 AT 11:21 PM
  • Tiny
  • johnnymack
  • Member

Yes it was front blower motor resistor

Was this
answer
helpful?
Yes
No
Thursday, January 17th, 2013 AT 3:27 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

That shouldn't have affected rear temp.

Was this
answer
helpful?
Yes
No
Thursday, January 17th, 2013 AT 3:46 AM
  • Tiny
  • johnnymack
  • Member

Kinda coincidental that rear heat quit working all of the sudden after replacing front resistor! So what could it possibly be?

Was this
answer
helpful?
Yes
No
Thursday, January 17th, 2013 AT 3:54 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,409 posts

Is the fan blowing cold air? Have you checked the heater core for the rear? Is it getting hot>?

Was this
answer
helpful?
Yes
No
Thursday, January 17th, 2013 AT 4:12 AM

Please login or register to post a reply.

Similar Questions