Jeep Cherokee 2000 Service Manual - page 1136
(11) Install the rear oil seal.
(12) Install the new O-rings in adaptor plate.
(13) Install the adaptor plate to block. Torque nuts
to 26.5 N·m (20 ft. lbs.).
(14) Install the Allen bolts through adaptor plate
to rear main bearing support. Torque to 11 N·m (97
in. lbs.).
(15) Position the flywheel and O-ring on crank-
shaft and align bolt holes.
NOTE: For purposes of checking crankshaft end
play, used flywheel bolts may be used. Final assem-
bly requires new flywheel bolts.
(16) Install 2 flywheel bolts, 180° apart, and
tighten bolts to 20 N·m plus 60° (15 ft. lbs.) plus 60°.
(17) Attach dial indicator to engine block.
(18) Move crankshaft toward front of engine and
zero indicator.
(19) Move crankshaft toward the rear of engine
and record measurement.
(20) Subtract specified crankshaft end play from
figure obtained. Crankshaft end play.153 to.304mm
(.0060 to.0119 in.).
(21) Select thrust washers which will give correct
end play.
(22) Remove tools and flywheel.
(23) Lubricate thrust washer halves and fit them
into the rear main bearing carrier.
(24) Ensure that crankshaft end and flywheel mat-
ing surfaces are clean and dry. Install “O” ring in fly-
wheel groove.
(25) To verify correct end play, install 2 flywheel
bolts 180° apart, and tighten bolts to 20 N·m plus 60°
(15 ft. lbs. plus 60°).
(26) Measure crankshaft end play with a dial
gauge. Crankshaft end play should not exceed.153
to.304mm (.0060 to.0119 in.) (Fig. 70).
CAUTION: Use NEW flywheel bolts for the following
procedure.
(27) Install a new O-ring on flywheel. Install fly-
wheel on crankshaft. The 6 flywheel bolts must be
tightened as follows:
a. Lubricate and install the 6 new flywheel bolts.
b. Torque the 6 flywheel bolts to 49 N·m (36 ft.
lbs.) starting one bolt and following with the opposite
one (cross tightening) until completion, in a clockwise
direction..
c. Loosen one bolt at a time and tighten to 19.6
N·m (14 ft. lbs.) plus 75° using the cross tightening
method.
(28) Install the pistons and connecting rod assem-
blies. Refer to piston and connecting rods removal
and installation in this section.
(29) Install the oil pick up tube. Torque bolts to 25
N·m (18 ft. lbs.).
(30) Install the oil pan. Refer to oil pan removal
and installation in this section.
(31) Install the vacuum pump, being careful to
align the gear timing marks with those on the crank-
shaft gear. Torque screws to 20 N·m (15 ft. lbs.).
(32) Before installing the oil pump check pump
bore depth in block (A) and pump body height (B)
(Fig. 71). Difference between A and B should be
0.020-0.082 mm (.0007 to 0032 in.).
(33) Install the oil pump. Torque screws to 27 N·M
(20 ft.lbs.). Check for normal backlash between pump
and crankshaft gears.
(34) Install the timing gear cover. Refer to timing
gear cover removal and installation in this section.
Fig. 69 Main Bearing Support Alignment
Fig. 70 Measuring Crankshaft End Play
9 - 42
ENGINE
XJ
REMOVAL AND INSTALLATION (Continued)