GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Mechanical - 6.6L
🢒 Piston Oil Cooling Nozzle Cleaning and Inspection
Inspect the piston oil cooling nozzle for damage.
Replace the piston oil cooling nozzle if any damage is found.