GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2001
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Mechanical - 6.6L
🢒 Oil Filler Tube Removal
Remove the oil fill tube to thermostat housing bolt.
Remove the oil fill tube to engine front cover bolt.
Remove the oil fill tube.
Remove the O-ring and discard.