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Old 06-01-2011, 02:04 PM   #1
ScottH
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Join Date: Sep 2002
Location: Hampstead, NC
Posts: 8,193
Normal to hear vacume sound in AC controls?

Was working on my 84 the other day and noticed when the engine is running I am hearing what sounds like a vacume leak coming from the AC/heater controls. Can anyone tell me if that is normal or do I have a leak somewhere?

Any info is much appreciated.

Thanks
Scott
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1966 GMC G1000 Handi-bus (future project)
1955 Chevy 2 dr. wagon
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