Timing Chain And Sprockets - Jeep cherokee 2000 Service Manual

9 - 102 4.0L ENGINE
REMOVAL AND INSTALLATION (Continued)
(3) Position the timing case cover on the oil pan
gasket and the cylinder block.
(4) Insert Timing Case Cover Alignment and Seal
Installation Tool 6139 in the crankshaft opening in
the cover (Fig. 60).
Fig. 60 Timing Case Cover Alignment and Seal
Installation Tool 6139
1 – TIMING CASE COVER ALIGNMENT AND SEAL
INSTALLATION TOOL
(5) Install the timing case cover-to-cylinder block
and the oil pan-to-timing case cover bolts.
(6) Tighten the 1/4 inch cover-to-block bolts to 7
N·m (60 in. lbs.) torque. Tighten the 5/16 inch front
cover-to-block bolts to 22 N·m (192 in. lbs.) torque.
Tighten the oil pan-to-cover 1/4 inch bolts to 9.5 N·m
(84 in. lbs.) torque.
(7) Remove the cover alignment tool.
(8) Apply a light film of engine oil on the vibration
damper hub contact surface of the seal.
(9) Apply Mopar Silicone Rubber Adhesive Sealant
to the keyway in the crankshaft and insert the key.
With the key inserted in the keyway in the crank-
shaft, install the vibration damper, washer and bolt.
Lubricate and tighten the bolt to 108 N·m (80 ft. lbs.)
torque.
(10) Install the A/C compressor (if equipped) and
generator bracket assembly.
(11) Install the engine fan and hub assembly and
shroud.
(12) Install the serpentine drive belt.
(13) Connect negative cable to battery.

TIMING CHAIN AND SPROCKETS

REMOVAL
(1) Disconnect negative cable from battery.
(2) Remove the fan and shroud.
(3) Remove the serpentine drive belt.
(4) Remove the crankshaft vibration damper.
(5) Remove the timing case cover.
(6) Rotate crankshaft until the "0" timing mark is
closest to and on the center line with camshaft
sprocket timing mark (Fig. 61).
Fig. 61 Crankshaft—Camshaft Alignment
1 – CAMSHAFT SPROCKET
2 – TIMING MARKS
3 – CRANKSHAFT SPROCKET
(7) Remove the oil slinger from the crankshaft.
(8) Remove the camshaft sprocket bolt and washer
(Fig. 62).
Fig. 62 Camshaft Sprocket and Thrust Plate
1 – CAMSHAFT
2 – CAMSHAFT SPROCKET W/INTEGRAL KEY
3 – BOLT & CUP WASHER
4 – THRUST PLATE
(9) Remove the crankshaft sprocket, camshaft
sprocket and timing chain as an assembly.
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