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International Automotive Technicians Network
1999 GMC C 6500 454CID Valves
Posted to GM Engine on 1/24/2011 7 Replies

This is a large truck that came in with terrible [...] careful checking,I replaced one valve spring to no [...] wound up having 2 tuliped [...] removing heads found cyl1 and [...] tuliped intake [...] 1 looked like a suction cup number 6 not as bad but on it's...

7 Replies Received (View Replies)

 
Message Closed w/FIX

car Vehicle Data

1999 GMC C 6500

VIN 1GDJ6H1D0X
Engine454 / 8 cyl
DeliveryFuel Injection
AffectedValves
ConditionsMisfire,Poor Run Condition
Misc.Large Box Truck
Message Closed w/FIX

car Vehicle Data

1999 GMC C 6500

VIN 1GDJ6H1D0X
Engine454 / 8 cyl
DeliveryFuel Injection
AffectedValves
ConditionsMisfire,Poor Run Condition
Misc.Large Box Truck