Oil Pump: Notes
- With oil pan removed, remove pickup tube and oil screen. Disconnect oil line at crankcase and remove oil pump with oil line. Remove oil line. Remove cotter pin and remove pressure control plunger, spring and spring seat.
- Remove pump cover and check clearance between inner and outer rotor. If clearance is more than 0.010", replace both rotors. Check clearance between outer rotor and pump body. If clearance is more than 0.011", replace rotor or pump body.
- Place a straight edge over pump body and check clearance between straight edge and rotor with a feeler gauge. Place straight edge on pump cover and check clearance with a feeler gauge. If total clearance is more than 0.006", remachine pump cover.
- Check pressure control plunger for wear or scoring and replace as necessary. Check spring for wear. Check spring against specifications. Replace if necessary.
- Reverse disassembly procedure to assemble pump. Coat plunger with oil and install in pump, install spring, spring seat and new cotter pin. Reverse removal procedure to install.