Removal and Replacement

Oil Pump





Removal

1. Remove the crankshaft front seal. For additional information, refer to Crankshaft Front Seal Service and Repair.

2. Remove the 5 bolts and the oil pump cover.
- Remove and discard the O-ring seal.





3. NOTE: Mark the front of the inner and outer gerotors for correct reassembly.

Remove the inner and outer gerotors.





4. Inspect the oil pump components. Install new components, as necessary.
- Inspect the oil pump for excessive metal particles.

- Inspect the oil pump for gouges, cracks or deep scratches.

- Inspect the oil pump inner and outer gear rotors for damage or excessive wear.

Installation

1. NOTE: If reusing the original oil pump drive rotors, install the oil pump drive rotors with the marking pointing outward. Replacement oil pump drive rotors will have no marks and orientation is not necessary.

Lubricate the inner drive rotor with clean engine oil and install onto the crankshaft. Lubricate the outer drive rotor with clean engine oil and mesh with the inner drive rotor in the oil pump housing.





2. NOTE: Install a new O-ring seal.

Install the oil pump cover and 5 bolts.

- Tighten to 13 Nm (115 lb-in).





3. Install the crankshaft front seal. For additional information, refer to Crankshaft Front Seal Service and Repair.