Fluid Pump: Service and Repair

DISASSEMBLY
Follow disassembly steps outlined in illustration.

NOTE: Disassembly service points as follows:

A. Drive gear / driven gear removal. (4 & 5)
Make reassembly alignment marks on the drive and driven gears.

ASSEMBLY
Assembly in reverse order as Disassembly.

NOTE: Assembly service points as follows:





A. Oil seal installation. (7)





B. Driven gear / drive gear side clearance measurement. (4 & 5)
Standard value: 0.03-0.05 mm (.0012-.0020 inch)





C. Steel ball location. (3)





D. Reaction shaft support installation. (2)
1. Assemble the reaction shaft support and the pump housing, and tighten the five bolts by fingers.
2. Insert the special tool, (Guide Pin MD998336 or equivalent), in the oil pump bolt hole and tighten the peripheries of the support and housing with the special tool, (Band MD998335 or equivalent), to locate the support and housing.
3. Tighten the five bolts to the specified torque.
4. Make sure that the oil pump gear turns freely.
E. O-Ring installation. (1)
Install a new O-ring in the groove of the pump housing and apply petrolatum jelly to the O-ring.