Disassembly and Assembly

DISASSEMBLY
1. Remove the pressure relief valve by remove the threaded retaining cap from the oil pump housing.





CAUTION: Oil pump pressure relief valve must be installed as shown in (Fig. 102) or engine damage may occur.

2. Remove spring and relief valve.





3. Remove oil pump cover screws and lift off cover plate (Fig. 103).
4. Remove pump rotors.
5. Wash all parts in a suitable solvent.
6. Inspect components carefully for damage or wear.

ASSEMBLY
1. Assemble pump using new parts as required.
2. Tighten cover screws to 12 Nm (105 in. lbs.) (Fig. 103).
3. Tighten oil pressure relief valve retaining cap to 12 Nm (105 in. lbs.) (Fig. 102).
4. Prime oil pump before installation by filling rotor cavity with engine oil.