Engine Overhaul Manual v8 4.0 4.6
ENGINE
24
OVERHAUL
OIL PUMP
NOTE: Overhaul procedures for the oil
pump, oil pressure by-pass and relief
valves are limited to carrying out
dimensional checks. In the event of wear or
damage being found, a replacement timing cover
and oil pump assembly must be fitted.
Oil pump - remove
1. Remove timing cover.
CAUTION: Do not attempt to remove oil
pump drive gear from inner rotor at this
stage.
2. Remove 7 screws and bolt securing oil pump
cover plate, remove plate.
3. Make suitable alignment marks on inner and
outer rotors, remove rotors and oil pump drive
gear as an assembly.