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After replacing the blower motor, it sounds like it is rubbing against something?

Tiny
MICHAEL CHURCH2
  • MEMBER
  • 1999 HONDA CIVIC
  • 1.6L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
I installed a new blower motor, and it sounds like it's rubbing against something. I removed the blower to inspect the housing. Nothing inside. I turned it on with it removed and it's as quiet as a mouse, but when I reinstall it, it makes sounds like it's rubbing against something.
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Thursday, March 2nd, 2023 AT 11:20 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,977 POSTS
The blower motor cage must be misaligned, or you have something inside the HVAC housing that has moved and is connecting the fan blade. Make sure the fan is completely down on to the blower motor because if it is up too far it will make noise as it contacts the plastic inside the housing. Compare the new blower to the old one to confirm the issue. Let us know what happens and please upload pictures or videos of the problem.
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Friday, March 3rd, 2023 AT 9:41 AM

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