SA91101NE Feeler Gage Set

1. Inspect the body clearance:

•	Using SA91101NE or equivalent, measure the clearance between the driven rotor and the pump body.

Driven Rotor-to-Pump Body Side Clearance Standard

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

•	Service limit 0.277 mm (0.011 in).

•	If the clearance is greater than the service limit, replace the oil pump assembly.




2. Inspect the tip clearance:

•	Using SA91101NE or equivalent, measure the clearance between both rotor tips.

Rotor Tip Clearance
Service limit 0.150 mm (0.006 in).

•	If the clearance is greater than the service limit, replace the oil pump assembly.




3. Inspect the end-to-end clearance:

•	Using SA91101NE or equivalent, measure the clearance between the side of the drive and driven rotors and the oil pump cover plate.

Rotor-to-Cover Side Clearance

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

•	Service limit 0.08 mm (0.003 in).

•	If the clearance is greater than the service limit, replace the oil pump assembly.