Procedures

Oil Pump Rotor Inspection





1. Inspect the oil pump housing for excessive metal particles.

2. Inspect the oil pump housing for gouging, cracks or deep scratches.

3. Inspect the oil pump inner and outer gear rotors for damage or excessive wear.

4. Using a straightedge and the Feeler Gauge Set, measure the height clearance between the oil pump housing and the inner and outer rotors. If the measurement does not meet specifications, install new gerotors as a set. For additional information, refer to Specifications.





5. Using the Feeler Gauge Set, measure the clearance between the outer rotor and inner rotor. If the measurement does not meet specifications, install new gerotors as a set. For additional information, refer to Specifications.