Specifications

OIL PAN
REMOVAL
(1) Disconnect the negative battery cable.
(2) Raise the vehicle on hoist.
(3) Drain the oil.
(4) Remove the oil pan lower cover.
(5) Remove the bolts from oil pan. Remove the 6
bolts that are on the inside of the oil pan.
(6) Remove the oil pan.
INSTALLATION
(1) Remove all gasket material from cylinder block.
Be careful not gouge or scratch aluminum pan seal-
ing surface.
(2) Apply a continuous 3 mm bead of Silicone
Sealer to oil pan, install within 10 minutes. Install
the oil pan.
(3) Install the oil pan bolts. Torque bolts to 13 N·m
(9 ft. lbs.).
(4) Install the oil pan lower cover. Torque bolts to
13 N·m (9 ft. lbs.).
(5) Install the oil drain plug. Torque to 79 N·m (58
ft. lbs).
(6) Lower the vehicle from hoist.
(7) Fill engine with proper amount of oil.
(8) Connect the negative battery cable.
OIL PUMP
REMOVAL
(1) Disconnect the negative battery cable.
(2) Remove the timing gear cover. Refer to timing
gear cover removal and installation in this section.
(3) Remove the oil pump (Fig. 84).
INSTALLATION
(1) Install new O-ring and lubricate with clean
engine oil.
(2) Install the oil pump. Torque screws to 28 N·m
(20 ft. lbs.). Check for normal backlash between
pump and crankshaft gears.
(3) Install the timing gear cover. Refer to timing
gear cover removal and installation in this section.
INTERNAL VACUUM PUMP
REMOVAL
(1) Disconnect the negative battery cable.
(2) Remove the timing gear cover. Refer to timing
gear cover removal and installation in this section.
(3) Align all the timing marks before removing the
vacuum pump (Fig. 85).
(4) Remove the vacuum pump retaining bolts..
(5) Remove the internal vacuum pump.
INSTALLATION
(1) To install the vacuum pump, align the outer
part of the gear with the inner part using a screw-
driver or similar tool, align with timing marks on
gear set and install (Fig. 85). Torque bolts to 28 N·m
(20 ft. lbs.).
(2) Install the timing gear cover. Refer to timing
gear cover removal and installation in this section.
(3) Connect the negative battery cable.
Fig. 83 VM.1040
Fig. 84 Oil Pump Removal
WJ ENGINE 9 - 43
REMOVAL AND INSTALLATION (Continued)