GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2006
🢒
Rainier - 2WD
🢒
Engine
🢒
Engine Mechanical - 5.3L
🢒 Oil Pump, Screen and Crankshaft Oil Deflector Removal
Remove the oil pump screen bolt (405) and nut (404).
Remove the oil pump screen (407) with O-ring seal.
Remove the O-ring seal (406) from the pump screen.
Discard the O-ring seal.
Remove the crankshaft oil deflector nuts.
Remove the crankshaft oil deflector.
Remove the oil pump bolts (411).
Important:
Do not allow dirt or debris to enter the oil pump assembly. Cap ends, as necessary.
Remove the oil pump (413).