2002 JEEP GRAND CHEROKEE Transmission fluid

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Page 1593 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OPERATION
To apply the clutch, pressure is applied between
the clutch retainer and piston. The fluid pressure is
provided by the oil pump, transferred through the
control valves and passageways, and e

Page 1599 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual INCORRECT if the engine starts in one but not both
positions. If the engine starts in any position other
than PARK or NEUTRAL, or if the engine will not
start at all, the park/neutral position switch

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

Page 1602 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (4) Lightly grip old bushing in vise or with pliers
and back remover tool out of bushing.
(5) Assemble Bushing Installer Tools C-4171 and
SP-5325 (Fig. 117).
(6) Slide new bushing onto Installer Tool

Page 1603 of 2199

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

Page 1604 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (12) Install new oil seal in pump with Special Tool
C-4193 and Tool Handle C-4171 (Fig. 122). Be sure
seal lip faces inward.
(13) Install new seal ring around pump housing.
Be sure seal is properly se

Page 1605 of 2199

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 1606 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DIAGNOSIS AND TESTING - OVERDRIVE
ELECTRICAL CONTROLS
The overdrive off switch, valve body solenoid, case
connectors and related wiring can all be tested with
a 12 volt test lamp or a volt/ohmmeter. C