Oil Pump Assembly Disassembly and Reassembly

Oil Pump Assembly Disassembly and Reassembly

Oil Pump Assembly Removal and Installation

NOTE:

Removing the sprocket and inner rotor from the oil pump may damage the oil pump center shaft, resulting in abnormal operation of the oil pump.

Do not remove the sprocket and inner rotor from the oil pump.

Oil Pump Assembly Removal and Installation

Disassembly

- Disassemble oil pump. Oil Pump Assembly Components

Reassembly

Oil Pump Inspection
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), and tighten retainer to specified torque.

Tightening torque
Oil pump relief valve retainer (a): 28 Nm (2.9 kgf-m, 21.0 lbf-ft)

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 lbf-ft)