Tools Required

SA91101NE Feeler Gauge Set

1. Inspect the body clearance:

1.1.	Using a feeler gauge Service Tool SA91101NE or equivalent, measure the clearance between the driven rotor and pump body.

Body to Side Clearance

•	Standard: 0.150-0.277 mm (0.006-0.011 in)

•	Service Limit: 0.277 mm (0.011 in) max

1.2.	If the clearance is greater than the maximum, replace the oil pump rotor set.




2. Inspect the tip clearance:

Using a SA91101NE , measure the clearance between both rotor tips.

Clearance:
Standard: 0.150 mm (0.006 in) max




3. Inspect the end-to-end clearance:

Using a SA91101NE or equivalent or Plastigage® or equivalent, measure the clearance between the side of the gerotor assembly and the cover plate.

End-to-End Clearance

•	Standard: 0.040-0.125 mm (0.0016-0.0049 in)

•	Service Limit: 0.128 mm (0.005 in) max