Removal/Inspection/Installation

Removal/Inspection/Installation

1. Drain the engine oil.
2. Turn the crankshaft so that the No. 1 piston is at top dead centre.
3. Remove the timing belt and the timing balancer belt.
4. Remove the timing belt tensioner and the timing balancer belt tensioner.
5. Remove the timing belt drive pulley and the timing balancer belt driven pulley.
6. Remove the balancer gear case and the balancer driven gear.

A Dowel Pin
B Oil Pump
C O-rings
D Gasket
E Oil Screen

7. Remove the oil sump and the oil screen.
8. Remove the mounting bolts and the oil pump assembly.
9. Remove the screws from the pump housing, then separate the housing and cover.

A Inner Rotor
B Outer Rotor

10. Check the inner-to-outer rotor radial clearance on the pump rotor.
    Inner Rotor - to - Outer Rotor Radial Clearance:
    Standard (New): 0.02 ÷ 0.16 mm
    Service Limit: 0.20 mm

If the inner-to-outer rotor radial clearance exceeds the service limit, replace the inner and outer rotors.

A Pump Housing
B Outer Rotor

11. Check the housing-to-rotor axial clearance on the pump rotor.
    Housing - to - Rotor Axial Clearance:
    Standard (New): 0.02 ÷ 0.07 mm
    Service Limit: 0.12 mm