blower motor replacement?

1992 GMC SONOMA
236,000 MILES • V6 • 2WD • AUTOMATIC
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LEE54
  • MEMBER
  • 1 POST
When I Turn On My AC the blower motor makes a loud rattling noise.
May 22, 2019 at 1:45 PM
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ASEMASTER6371
  • CERTIFIED EXPERT
  • 52,796 POSTS
Good afternoon,

Sounds like the cage broke or bearings are bad in the motor. Here is a guide to help you step by step with instructions in the diagrams below to show you how on your car.


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

It is under the hood on the passenger side. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed. Thank you for using 2CarPros.
May 22, 2019 at 2:14 PM