Heater not working

Tiny
C.SMITH23
  • MEMBER
  • 2002 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 182,866 MILES
Heat comes and goes, new clutch fan and water pump, thermostat. Was thinking climate control?
Monday, August 28th, 2017 AT 4:25 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,798 POSTS
It sounds like you have a blend door actuator that has gone bad.

Here is a guide that will help you:

https://www.2carpros.com/articles/replace-blend-door-motor

Please let us know what happens.

Cheers, Ken
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Wednesday, August 30th, 2017 AT 11:45 AM

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