Oil Pump Overhaul

Oil Pump Overhaul

Oil Pump:

Special Tools Required
Oil seal driver, 64 mm 070AD-RCAA100

Removal

1. Drain the engine oil.
2. Remove the timing belt.
3. Remove the rocker arm oil control solenoid/oil filter assembly (J35Z3 engine) or oil filter base/oil filter assembly (J35Z2 engine).
4. Remove the oil pan.
5. Remove the oil screen (A).





6. Remove the mounting bolts and the oil pump assembly (B).

Inspection

1. Remove the screws from the pump housing, then separate the pump housing and the cover.
2. Check the inner-to-outer rotor radial clearance between the inner rotor (A) and the outer rotor (B). If the inner-to-outer rotor clearance exceeds the service limit, replace the oil pump assembly.





3. Check the pump housing-to-rotor axial clearance between the rotors (A) and the pump housing (B). If the pump housing-to-rotor axial clearance exceeds the service limit, replace the oil pump assembly.





4. Check the pump housing-to-outer rotor radial clearance between the outer rotor (A) and the pump housing (B). If the pump housing-to-outer rotor radial clearance exceeds the service limit, replace the oil pump assembly.





5. Inspect both rotors and the pump housing for scoring or other damage. Replace the parts, if necessary.
6. Apply liquid thread lock to the pump housing screws, then install the oil pump cover.
7. Check that the oil pump turns freely.

Installation

1. Remove the old oil seal from the oil pump.
2. Gently tap in the new oil seal until the oil seal driver bottoms on the pump.





3. Remove all of the old liquid gasket from the oil pump mating surfaces, the bolts, and the bolt holes.
4. Clean and dry the oil pump mating surfaces.
5. Apply liquid gasket, P/N 08717-0004, 08718-0001, 08718-0003, or 08718-0009, evenly to the engine block mating surface of the oil pump. Install the component within 5 minutes of applying the liquid gasket.





6. Grease the lip of the oil seal, and apply new engine oil to the new O-ring (A).





7. Install the dowel pins (B), then align the inner rotor with the crankshaft, and install the oil pump (C).
8. Clean the excess grease off the crankshaft, and check the seal for distortion.
9. Install the oil screen (D) with a new O-ring (E).
10. Install the oil pan.
11. Install the rocker arm oil control solenoid/oil filter assembly with a new rocker arm oil control solenoid filter (J35Z3 engine) or oil filter base/oil filter assembly with a new O-ring (J35Z2 engine).
12. Install the timing belt.
13. After assembly, wait at least 30 minutes before filling the engine with oil.