Oil Pump Disassembly and Reassembly

Oil Pump Disassembly and Reassembly

CAUTION: Don't remove sprocket and inner rotor from oil pump, otherwise damage of oil pump center shaft and abnormal operation of oil pump could result.

Disassembly
^ Disassemble oil pump.

Reassembly

1. Wash, clean and then dry all disassembled parts.
2. Apply thin coat of engine oil to inner and outer rotors, and inside surfaces of oil pump case.
3. Install outer rotor to pump case No. 1.
4. Install relief valve (3), relief spring (2) and retainer (1) to oil pump case No.2 (4). Tighten retainer to specified torque.

Tightening torque
Oil pump relief valve retainer a: 28 Nm (2.8 kgf-m, 20.5 ft. lbs.)
5. Install oil pump case pins (5) to oil pump case No.2.





6. Assemble oil pump. After assembling oil pump, check to be sure that rotor turns smoothly by hand.

Tightening torque
Oil pump case bolt a: 12 Nm (1.2 kgf-m, 9.0 ft. lbs.)