Overhaul

DISASSEMBLY
Remove screws which secure oil pump cover and disassemble oil pump. Inscribe alignment marks on inner and outer rotors so that they can be replaced in their original positions during reassembly.

CAUTION: Before removing relief valve, loosen plug when removing oil pump from cylinder block.

(1) Oil seal
(2) Pump case
(3) Inner rotor
(4) Outer rotor
(5) Pump cover
(6) Relief valve
(7) Relief spring
(8) Plug
(9) Washer





ASSEMBLY
1. Install front oil seal by using ST 499587100 oil seal installer, or equivalent.

CAUTION: Use a new oil seal.

2. Install inner and outer rotors in their original positions.
3. Install oil relief valve and relief spring.





4. Install oil pump cover.
- T1 Bolts: 5 - 6 Nm (3.6 - 4.3 ft. lbs.)
- T2 Bolts: 40.7 - 47.6 Nm (30.0 - 35.1 ft. lbs.)