Blower motor noise

Tiny
RANDY RED RARIDON
  • MEMBER
  • 2011 CHEVROLET SILVERADO
  • 5.8L
  • V8
  • 2WD
  • AUTOMATIC
  • 120,000 MILES
I noticed my heater fan making a squeaking screeching noise on high. Also my defrost doesn’t work on passenger side.
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Wednesday, September 11th, 2019 AT 9:00 AM

1 Reply

Tiny
KEN
  • ADMIN
Hello,

You have to problem the first is the noise which you will need to replace the blower motor for and the passengers side blend door actuator for the air flow issue. Here are two guides to help walk you you through the repair with diagrams below to show you how on your car:

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

and

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

Check out the diagrams (below). Please let us know if you need anything else to get the problem fixed.
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Thursday, September 12th, 2019 AT 11:39 AM

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