GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2008
🢒
Sierra - 2WD
🢒
Engine
🢒
Engine Mechanical - 6.6L
🢒 Oil Filter Adapter and Oil Cooler Assembly Cleaning and Inspection
Clean the coolant tube.
Inspect the coolant tube for cracks.
Inspect the coolant tube mating surfaces for damage.
Clean the oil filter adapter.
Inspect the oil filter adapter mating surfaces for damage.
Replace the O-rings.