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Old January 29th, 2017, 06:14 PM
bluestreak1854 bluestreak1854 is offline
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Join Date: Apr 2016
Location: Clarendon Texas
Truck: 1966 GMC 4000
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Default Re: Loud squalling noise from Inline 6

Check to see whether something is stuck in the PCV valve. If it's dumping too much vacuum, it will make the engine run rough and not want to idle and can sometimes make a squealing noise.
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