2002 JEEP GRAND CHEROKEE set 1 2

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Page 1600 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual STANDARD PROCEDURE - OIL PUMP VOLUME
CHECK
Measuring the oil pump output volume will deter-
mine if sufficient oil flow to the transmission oil
cooler exists, and whether or not an internal trans-
mis

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (6) If pump seal was not removed during transmis-
sion disassembly, remove seal with punch and ham-
mer.
(7) Remove front clutch thrust washer from sup-
port hub (Fig. 114).
OIL PUMP BUSHING REPLACEME

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual CAUTION: The pump inner gear is a one way fit.
The bore on one side of the gear inside diameter
(I.D.) is chamfered. Be sure the chamfered side
faces forward (to front of pump).
(6) Install new thrust

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JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OVERDRIVE CLUTCH
DESCRIPTION
The overdrive clutch (Fig. 125) is composed of the
pressure plate, clutch plates, holding discs, overdrive
piston retainer, piston, piston spacer, and snap-rings.
The over

Page 1620 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (5) Install new seal in gear case. On 4x4 gear case,
use Tool Handle C-4171 and Installer C-3860-A to
seat seal in case. On4x2gear case, use same Han-
dle C-4171 and Installer C-3995-A to seat seal in

Page 1631 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual PLANETARY GEARTRAIN/
OUTPUT SHAFT
DESCRIPTION
The planetary gearsets (Fig. 203) are designated as
the front, rear, and overdrive planetary gear assem-
blies and located in such order. A simple planeta

Page 1632 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INSPECTION
Check sun gear and driving shell condition.
Replace the gear if damaged or if the bushings are
scored or worn. The bushings are not serviceable.
Replace the driving shell if worn, cracked o

Page 1645 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual A solenoid can also be described by the method by
which it is controlled. Some of the possibilities
include variable force, pulse-width modulated, con-
stant ON, or duty cycle. The variable force and