For 1990-2009 cars

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.

1. Remove the oil pump mounting bolts.
2. Remove the primary camshaft drive chain lower guide bolts.
3. Remove the primary camshaft drive chain lower guide.
4. Remove the bolts holding the oil pump cover to the oil pump housing.
5. Remove the oil pump cover from the oil pump housing.
6. Remove the inner oil pump drive gear.
7. Remove the outer oil pump driven gear.
8. Remove the clip, holding the cap, for the oil relief valve components.
9. Remove the cap, spring, and plunger from the oil pump housing.