2002 JEEP GRAND CHEROKEE 545RFE

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Page 1766 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual holding the Belleville spring into the low/reverse
clutch retainer.
(10) Remove the low/reverse clutch Belleville
spring and piston from the low/reverse clutch
retainer. Use 20 psi of air pressure to

Page 1767 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OIL PUMP
DESCRIPTION
The oil pump (Fig. 87) is located at the front of the
transmission inside the bell housing and behind the
transmission front cover. The oil pump consists of
two independent pumps

Page 1768 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 1769 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (5) Refill the transmission to proper level.
DISASSEMBLY
(1) Remove the bolts holding the reaction shaft
support to the oil pump (Fig. 91).
(2) Remove the reaction shaft support from the oil
pump (Fig

Page 1770 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (5) Remove the screws holding the separator plate
onto the oil pump body (Fig. 92).
(6) Remove the separator plate from the oil pump
body (Fig. 92).
(7) Mark all gears for location. The gears are
sele

Page 1771 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual (9) Remove the oil pump valve retainers and asso-
ciated valve and spring one at a time (Fig. 93) (Fig.
94). Mark the combination of components as a group
and tag them as to the location from which th

Page 1772 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual ASSEMBLY
(1) Clean and inspect all components. Make sure
that all passages are thoroughly cleaned and are free
from dirt or debris. Make sure that all valves move
freely in their proper bore. Make sur

Page 1773 of 2199

JEEP GRAND CHEROKEE 2002 WJ / 2.G Workshop Manual OUTPUT SPEED SENSOR
DESCRIPTION
The Input and Output Speed Sensors are two-wire
magnetic pickup devices that generate AC signals as
rotation occurs. They are mounted in the left side of
the transmissi