Oil Pump: Service and Repair

Oil Pump

Removal
1. Remove the crankshaft front oil seal.





2. Remove the bolts and the gerotor cover. Remove and discard the O-ring seal.





3. NOTE: Mark the front of the inner and outer gerotor for correct reassembly.

Remove the inner and outer gerotors.
4. Inspect the oil pump components.

Installation





1. NOTE: Install the gears with marks pointing outward.

Lubricate the inner gear with lithium assembly grease and install onto the crankshaft. Lubricate the outer gear with lithium assembly grease and mesh with the inner gear rotor in the oil pump housing. Wipe off the excess assembly grease.





2. NOTE: Install a new O-ring seal.

Install the gerotor cover and bolts.
3. Install the crankshaft front oil seal.