OIL PUMP INSPECTION

Oil Pump Cover Inspection

Note

• Install large seal rings to the front side and small seal rings to the rear side.

1. Install new seal rings to the oil pump cover.

2. Measure the clearance between the seal rings and the seal ring grooves.

• If the clearance is not within the specification, replace the oil pump cover.

Specification

0.10-0.25 mm {0.0040-0.0098 in}

Inner Rotor Inspection

1. Measure the clearance between the inner rotor and the oil pump cover.

• If the clearance is not within the specification, replace the inner rotor.

Specification

0.02-0.04 mm {0.0008-0.0015 in}

Outer Rotor Inspection

1. Measure the clearance between the outer rotor and the crescent.

• If the clearance is not within the specification, replace the outer rotor.

Specification

0.02-0.15 mm {0.0008-0.0059}