Heater blower motor making noise

Tiny
BARNB
  • MEMBER
  • 1971 OLDSMOBILE CUTLASS
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Noise at all speeds.
Sunday, November 15th, 2020 AT 4:54 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

Often times the bearings in the motor will dry out and make noise. Is it possible for you to record the sound and upload it for me to hear?

If that is what is happening, the blower motor will likely need replaced. Here is a link that shows in general how one is replaced:

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

Let me know.

Joe
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Sunday, November 15th, 2020 AT 5:16 PM

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