Jeep Wrangler 1997 Manual page 733

TJ
REMOVAL AND INSTALLATION (Continued)
Fig. 29 Vibration Damper Removal Tool 7697
(3) Tighten the damper retaining bolt to 108 N-m
(80 ft . lbs .) torque .
(4) Install the serpentine drive belt and tighten to
the specified tension (refer to Group 7, Cooling Sys-
tems for the proper specifications and procedures) .
(5) Connect negative cable to battery.
TIMING CASE COVER
REMOVAL
(1) Disconnect negative cable from battery.
(2) Remove the vibration damper.
(3) Remove the fan and hub assembly and remove
the fan shroud .
(4) Remove the accessory drive brackets that are
attached to the timing case cover.
(5) Remove the A/C compressor (if equipped) and
generator bracket assembly from the engine cylinder
head and move to one side .
(6) Remove the oil pan-to-timing case cover bolts
and timing case cover-to-cylinder block bolts.
(7) Remove the timing case cover and gasket from
the engine . Make sure the tension spring and thrust
pin do not fall out of the preload bolt.
(8) Pry the crankshaft oil seal from the front of the
timing case cover (Fig. 30) .
INSTALLATION
Clean the timing case cover, oil pan and cylinder
block gasket surfaces .
(1) Install a new crankshaft oil seal in the timing
case cover. The open end of the seal should be toward
the inside of the cover. Support the cover at the seal
area while installing the seal . Force it into position
with Seal Installation Tool 6139 .
(2) Position the gasket on the cylinder block.
(3) Position the timing case cover on the oil pan
gasket and the cylinder block. Make sure the tension
CRANKSHAFT
OIL SEAL
Fig. 30 Timing Case Cover Components
spring and thrust pin are
preload bolt .
(4) Insert Timing Case
Installation Tool 6139 in
the cover (Fig . 31) .
TIMING CASE
COVER ALIGNMENT
AND SEAL INSTALLATION_
TOOL
4 .OL ENGINE 9 - 7 1
in place in the camshaft
J9009-21
Cover Alignment and Seal
the crankshaft opening in
J9009-23
Fig. 31 Timing Case Cover Alignment and Seal
Installation Tool 6139
(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 . Tighten the oil pan-to-cover 5/16
inch bolts to 15 N-m (132 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 .