Oil Pump: Service and Repair
Oil Pump OverhaulOil Pump:
Exploded View
Special Tools Required
^ Driver 07749-0010000
^ Attachment, 52 x 55 mm 07746-0010400
Removal
1. Remove the cam chain.
Inspection
2. Remove the pump cover.
3. Check the inner-to-outer rotor radial clearance between the inner rotor (A) and outer rotor (B). If the inner-to-outer rotor radial clearance exceeds the service limit, replace the oil pump.
4. Check the housing-to-rotor axial clearance between the rotor (A) and pump housing (B). If the housing to-rotor axial clearance exceeds the service limit, replace the oil pump.
5. Check the housing-to-outer rotor radial clearance between the outer rotor (A) and pump housing (B). If the housing-to-outer rotor radial clearance exceeds the service limit, replace the oil pump.
6. Inspect both rotors and the pump housing for scoring or other damage. Replace the damaged parts if necessary.
7. Remove the old oil seal from the oil pump.
8. Use the special tools to install a new oil seal. Drive the seal until the special tool bottoms on the oil pump.
9. Install the oil pump cover.
Installation
10. Install the cam chain.