Inspection Procedure
WARNING: This page is about a different variant/trim than selected.
- Inspect the oil pump housing for the following:
- Damage, scoring, or debris on the housing surface for the driven gear (1)
- Damage to the oil pump mounting bosses (2)
- Damage, scoring, or debris on the housing surface for the drive gear (3)
- Damage, scoring, or debris in the oil pump relief valve port (4)
- Damage, scoring, or debris in the oil pump intake port (5)
- Damage, scoring, or debris in the oil pump relief valve bore (6)
- Damage, scoring, or debris in the oil pump output port (7)
- Damage to the threads in the oil pump housing for the oil pump cover bolts (8)
- Inspect the oil pump cover for the following conditions:
- Damage to the oil pump cover mounting bosses (1)
- Damage, scoring, or debris in the oil pump cover oil passages (2)
- Damage to the sealing surface between the oil pump cover and the oil pump housing (3)
- Inspect the inner drive gear for damage. If inner diameter damage is found, ensure the crankshaft is also inspected.
- Inspect the outer driven gear for damage.
- Inspect the oil pump relief valve components for debris or damage.
- Inspect the primary camshaft drive chain lower guide for damage (1-3).
- If debris or damage is present within the oil pump, further inspection of all of the engine components is necessary.
NOTE:
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.