Jeep 1996 Grand Cherokee Service Manual page 234

ZJ
REMOVAL AND INSTALLATION (Continued)
(8) Remove accessory drive belt as follows: The
drive belt is equipped with a spring loaded automatic
belt tensioner (Fig. 57). Relax tension from belt by
rotating tensioner clockwise (as viewed from front)
(Fig. 57). When all belt tension has been relaxed,
remove accessory drive belt.
Fig. 57 Belt Tensioner Assembly—5.2L Engine
(9) The drive belt idler pulley must be removed to
gain access to one of A/C compressor/generator
bracket mounting bolts. Remove idler pulley bolt and
remove idler pulley (Fig. 55).
(10) Remove oil dipstick tube mounting bolt at side
of A/C- generator mounting bracket.
(11) Disconnect speed control cable and throttle
cable at throttle body. Refer to Accelerator Pedal and
Throttle Cable in Group 14, Fuel System for throttle
cable removal and installation. Refer to Group 8H for
removal and installation of speed control cable.
(12) Remove bracket-to-intake
(number 1 and 2) (Fig. 55).
(13) Remove bracket bolts (Fig. 55).
(14) Lift and position generator and A/C compres-
sor (along with their common mounting bracket) to
gain access to bypass hose. A block of wood may be
used to hold assembly in position.
(15) Loosen and position both hose clamps to cen-
ter of bypass hose. Remove hose from vehicle.
INSTALLATION
(1) Position bypass hose clamps to center of hose.
(2) Install bypass hose to engine.
(3) Secure both hose clamps (Fig. 53).
(4) Install generator-A/C mounting bracket assem-
bly to engine. Tighten bolts (number 1 and 2) (Fig.
55) to 54 N·m (40 ft. lbs.) torque. Tighten bolts (num-
ber 3) (Fig. 55) to 40 N·m (30 ft. lbs.) torque.
(5) Install a new o-ring to the heater hose coolant
return tube (Fig. 56). Coat the new o-ring with anti-
freeze before installation.
(6) Install coolant return tube to engine (Fig. 56).
Be sure the slot in tube bracket is bottomed to the
mounting bolt. This will properly position return
tube.
(7) Connect throttle body control cables.
(8) Install oil dipstick mounting bolt.
(9) Install idler pulley. Tighten pulley bolt to 54
N·m (40 ft. lbs.) torque.
(10) Relax tension from belt tensioner (Fig. 57).
Install drive belt.
CAUTION:
drive belt, belt must be routed correctly. If not,
engine may overheat due to water pump rotating in
wrong direction. Refer to (Fig. 58) for correct belt
routing. Or, refer to the Belt Routing Label located
in the engine compartment. The correct belt with
correct length must be used.
manifold bolts
(11) Install air duct to throttle body.
(12) Install upper radiator hose to radiator.
(13) Connect wiring harness to A/C compressor.
(14) Connect A/C lines to clip at intake manifold.
(15) Fill cooling system. Refer to Refilling the
Cooling System in this group.
(16) Start and warm the engine. Check for leaks.
COOLING SYSTEM
When installing serpentine accessory
Fig. 58 Belt Routing—5.2L Engine
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