GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2006
🢒
Envoy - 4WD
🢒
Engine
🢒
Engine Mechanical - 6.0L
🢒 Draining Fluids and Oil Filter Removal
Remove the oil pan drain plug (430) and O-ring (429).
Remove the engine oil filter (437).
Remove the engine block coolant drain hole plug and washer.
Remove the engine block coolant heater (114) and washer (115).