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Blower motor just stopped working the other day after we went over a bump

Tiny
CHEGINGER
  • MEMBER
  • 2004 BUICK LESABRE
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 255,000 MILES
The AC/heater blower motor was working the other morning on our way home we went over a set of railroad tracks and it just stopped working. Within the last week or so it's been kicking off kicking on every time we hit a bump and then all of a sudden now it doesn't work. I'm afraid that I might have to change the blower motor is there any other options that aren't too expensive that it could be?
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Monday, October 25th, 2021 AT 4:02 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

It is possible to have loose wire to the blower motor.
It will be a good idea to check the blower motor harness and make sure it is secured and does not have any corrosion or loose wire(s).

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

I have attached diagrams for your reference.

Please let me know if you have any questions.
Thank you.
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Monday, October 25th, 2021 AT 7:30 AM

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