2002 JEEP GRAND CHEROKEE Power

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Page 1527 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual FIRST GEAR POWERFLOW
When the gearshift lever is moved into the DRIVE
position the transmission goes into first gear (Fig. 6).
As soon as the transmission is shifted from PARK or
NEUTRAL to DRIVE, the

Page 1528 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual SECOND GEAR POWERFLOW
In DRIVE-SECOND (Fig. 7), the same elements
are applied as in MANUAL-SECOND. Therefore, the
power flow will be the same, and both gears will be
discussed as one in the same. In D

Page 1529 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual DIRECT DRIVE POWERFLOW
The vehicle has accelerated and reached the shift
point for the 2-3 upshift into direct drive (Fig. 8).
When the shift takes place, the front band is
released, and the front clu

Page 1530 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual FOURTH GEAR POWERFLOW
Fourth gear overdrive range is electronically con-
trolled and hydraulically activated. Various sensor
inputs are supplied to the powertrain control module
to operate the overdri

Page 1580 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual BANDS
DESCRIPTION
KICKDOWN (FRONT) BAND
The kickdown, or ªfrontº, band (Fig. 67) holds the
common sun gear of the planetary gear sets. The
front (kickdown) band is made of steel, and faced on
its in

Page 1584 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (8) Engine starts must be possible with shifter
lever in PARK or NEUTRAL gate positions only.
Engine starts must not be possible in any other gate
positions other than PARK or NEUTRAL.
(9) With shifte

Page 1585 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual Normal calibration will be performed when sump
temperature is above 50 degrees F, or in the absence
of sump temperature data, after the first 10 minutes
of vehicle operation. Calibration of the pressu

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