Oil Pump Disassemble (LF3)

WARNING: This page is about a different variant/trim than selected.

Remove the oil pump mounting bolts.
IMPORTANT: There are no serviceable components within the oil pump. Disassemble the pump only to diagnose an oiling concern. A disassembled oil pump must not be reused. A disassembled oil pump must be replaced.

Fig 1: Identifying Oil Pump Mounting Bolts
Courtesy of GENERAL MOTORS COMPANY
Remove the primary camshaft drive chain lower guide bolts.

Fig 2: Identifying Primary Camshaft Drive Chain Lower Guide Bolts
Courtesy of GENERAL MOTORS COMPANY
Remove the primary camshaft drive chain lower guide.
Remove the bolts holding the oil pump cover to the oil pump housing.

Fig 3: Identifying Oil Pump Cover Bolts
Courtesy of GENERAL MOTORS COMPANY
Remove the oil pump cover from the oil pump housing.

Fig 4: Identifying Oil Pump Cover
Courtesy of GENERAL MOTORS COMPANY
Remove the inner oil pump drive gear.

Fig 5: Identifying Oil Pump Gears
Courtesy of GENERAL MOTORS COMPANY
Remove the outer oil pump driven gear.
Remove the clip, holding the cap, for the oil relief valve components.

Fig 6: Identifying Oil Pump Relief Valve Components
Courtesy of GENERAL MOTORS COMPANY
Remove the cap, spring and plunger from the oil pump housing.