Jeep KJ 2005 Service Manual page 1400

KJ
BALANCE SHAFT (Continued)
INSTALLATION
Fig. 121 Counterbalance Shaft Removal/Installation
1 - COUNTERBALANCE SHAFT REMOVAL AND INSTALLATION
TOOL
2 - COUNTERBALANCE SHAFT THRUST PLATE
NOTE: The balance shaft and gear are serviced as
an assembly. Do not attempt to remove the gear
from the balance shaft.
(1) Coat counterbalance shaft bearing journals
with clean engine oil.
NOTE: The balance shaft is heavy, and care should
be used when installing shaft, so bearings are not
damaged.
(2) Using Special Tool 8641 Counterbalance shaft
remover/installer tool (1), carefully install counterbal-
ance shaft into engine (Fig. 121).
(3) Install Counterbalance
retaining bolt (4) finger tight.Do not tighten bolt at
this time.
(4) Position the right side of the thrust plate with
the right chain guide bolt, install bolt finger tight.
(5) Torque the thrust plate retaining bolt (Fig. 122)
(4) to 28 N·m (250 in. lbs.).
(6) Remove the chain guide bolt so that guide can
be installed.
Tool
shaft thrust
Fig. 122 Counterbalance Shaft Retaining Plate
1 - IDLER SHAFT
2 - COUNTERBALANCE SHAFT THRUST PLATE
3 - COUNTERBALANCE SHAFT DRIVE GEAR
4 - RETAINING BOLT
TIMING BELT / CHAIN
COVER(S)
REMOVAL
(1) Disconnect the battery negative cable.
(2) Drain cooling system (Refer to 7 - COOLING -
STANDARD PROCEDURE).
(3) Remove electric cooling fan and fan shroud
assembly.
(4) Remove fan and fan drive assembly (Refer to 7
- COOLING/ENGINE/FAN
CLUTCH - REMOVAL).
(5) Disconnect both heater hoses at timing cover.
(6) Disconnect lower radiator hose at engine.
(7) Remove accessory drive belt tensioner assembly
plate
(Fig. 123).
(8) Remove crankshaft damper (Refer to 9 -
ENGINE/ENGINE BLOCK/VIBRATION DAMPER -
REMOVAL).
(9) Remove the generator (Refer to 8 - ELECTRI-
CAL/CHARGING/GENERATOR - REMOVAL).
(10) Remove A/C compressor (Refer to 24 - HEAT-
ING & AIR CONDITIONING/PLUMBING/A/C COM-
PRESSOR - REMOVAL).
ENGINE - 3.7L 9 - 155
DRIVE VISCOUS