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Unread 05-29-2014, 08:28 AM   #1
AVR2
Web Wheeler
1993 ZJ 
 
Join Date: Apr 2007
Location: UK
Posts: 2,287
Any fixes for blower motor vibration?

With the blower on 3 and especially 4, I'm getting an annoyingly loud vibration sound. I thought it might be crap trapped in the fan, but when I pulled the motor there was nothing. It seems to be just plain old vibration through the HVAC housing, because it stops if I push up on the blower motor when it's running.

Is there any fix for this? There are no mounting bolts to tighten on the blower because of course it's a twist-lock fit.

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Unread 05-30-2014, 01:19 AM   #2
Billwill
Registered User
2002 KJ Liberty 
 
Join Date: Jul 2007
Location: South Africa
Posts: 999
Quote:
Originally Posted by AVR2 View Post
With the blower on 3 and especially 4, I'm getting an annoyingly loud vibration sound. I thought it might be crap trapped in the fan, but when I pulled the motor there was nothing. It seems to be just plain old vibration through the HVAC housing, because it stops if I push up on the blower motor when it's running.

Is there any fix for this? There are no mounting bolts to tighten on the blower because of course it's a twist-lock fit.
Never heard of this problem...the fan is probably out of balance.
Can you not try some foam rubber around it to cushion the assembly a bit?
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