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1994 GMC C3500 Sierra SLE 6.5L Internal Noise
Posted to GM Engine on 6/13/2001 5 Replies

this truck has a loud noise on start up. it sounds like backfire into air cleaner housing. after running for 2 min or so noise goes away. pulled valve covers to ck rocker arms & pushrods. i expected to find a pushrod coming thru top of rocker or a broken shaft...

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  Related Documents & Media  1994 GMC C3500 Sierra SLE

 
Message Closed w/FIX

car Vehicle Data

1994 GMC C3500 Sierra SLE

VIN 1GDKC34F5R
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedInternal Noise
ConditionsCold or Hot
Misc.6.5 Litre Turbo
Message Closed w/FIX

car Vehicle Data

1994 GMC C3500 Sierra SLE

VIN 1GDKC34F5R
Engine6.5 L / 8 cyl / DIESEL
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedInternal Noise
ConditionsCold or Hot
Misc.6.5 Litre Turbo