Specifications

OIL PUMP
CLEANING
Wash all parts in a suitable solvent and inspect
carefully for damage or wear.
INSPECTION
(1) Before installing oil pump check pump bore
depth in block (A) and pump body height (B) (Fig.
121). Difference between A and B should be
0.020-0.082 mm.
(2) Check clearance between rotors (Fig. 123).
Fig. 120 Liner Inspection
Fig. 121 Oil Pump Bore Depth
Fig. 122 Oil Pump Inner and Outer Rotors
Fig. 123 Checking Rotor Clearance
WJ ENGINE 9 - 57
CLEANING AND INSPECTION (Continued)