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1990 GMC K1500 Sierra SLE 5.7L PCV System
Posted to GM Engine on 4/13/2010 4 Replies

I have this Rebuilt Long Block installed and makes a scritching / wistling noise when running, that goes away when pull dipsctick out, I did check engine vaccum and is 19-20 Inc/hg, pcv valve hose also shows 19-20 psi, pull out T/body & vaccum ports are free, ...

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  Related Documents & Media  1990 GMC K1500 Sierra SLE

 
Message Closed w/FIX

car Vehicle Data

1990 GMC K1500 Sierra SLE

VIN IGTDK14K2L
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedPCV System
ConditionsPCV Noise
Message Closed w/FIX

car Vehicle Data

1990 GMC K1500 Sierra SLE

VIN IGTDK14K2L
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic
DeliveryFI
AffectedPCV System
ConditionsPCV Noise