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Vibration in pedals when air is on

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Old 09-06-2010, 04:17 PM
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Default Vibration in pedals when air is on

As title says. Air doesn't work(when fall weather comes I'll be getting vacuum line and doing that fix), but the defrost vents do, but now when they're on, the pedals vibrate a lot. What'* going out now? Thanks!
Old 09-06-2010, 05:15 PM
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Does the vibration go away when you turn the blower motor off?
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Old 09-06-2010, 06:34 PM
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Yep. Turn air on, vibration. turn air off, no vibration. guessing it'* blower motor dying completely?
Old 09-06-2010, 06:43 PM
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Possibly, unless something got inside of it causing it to be off balance.
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Old 09-06-2010, 07:04 PM
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How would I troubleshoot this/where exactly is the blower motor?
Old 09-06-2010, 07:06 PM
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Here'* how to get to it

https://www.gmforum.com/electrical-133/blower-motor-removal-97-a-285291/
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