How to stop A/C vibration noise?

Asked by sierra3500 Jun 29, 2011 at 09:19 PM about the 1990 GMC Sierra 3500 2 Dr C3500 SLE Extended Cab LB

Question type: Maintenance & Repair

Im looking for a A/C noise/vibration install brace kit. Or what was in the kit so I
can stop the noise or vibration threw the truck. Kit number is 91-1B-154 but it is
discontinued. Any ideas? I'm out of options at this point.
Thank u

1 Answer

papa answered 12 years ago

it is probley a bad belt tenisor,springs inside it get week,will let ac rattle.when on.is it quiet with acoff.

Mark helpful

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