automatic transmission JEEP GRAND CHEROKEE 2002 WJ / 2.G Owners Manual

HYDRAULIC FLOW IN DRIVE FIRST GEAR
21 - 46 AUTOMATIC TRANSMISSION - 42REWJ
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW IN DRIVE SECOND GEAR
WJAUTOMATIC TRANSMISSION - 42RE 21 - 47
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW IN DRIVE THIRD GEAR (CONVERTER CLUTCH NOT APPLIED)
21 - 48 AUTOMATIC TRANSMISSION - 42REWJ
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW IN DRIVE THIRD GEAR (CONVERTER CLUTCH APPLIED)
WJAUTOMATIC TRANSMISSION - 42RE 21 - 49
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW IN DRIVE FOURTH GEAR (CONVERTER CLUTCH NOT APPLIED)
21 - 50 AUTOMATIC TRANSMISSION - 42REWJ
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW IN DRIVE FOURTH GEAR (CONVERTER CLUTCH APPLIED)
WJAUTOMATIC TRANSMISSION - 42RE 21 - 51
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW IN MANUAL LOW (1)
21 - 52 AUTOMATIC TRANSMISSION - 42REWJ
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW IN MANUAL SECOND (2)
WJAUTOMATIC TRANSMISSION - 42RE 21 - 53
AUTOMATIC TRANSMISSION - 42RE (Continued)

HYDRAULIC FLOW DURING FULL THROTTLE 3-2 DOWNSHIFT (PASSING)
21 - 54 AUTOMATIC TRANSMISSION - 42REWJ
AUTOMATIC TRANSMISSION - 42RE (Continued)

SPECIFICATIONS
TRANSMISSION
GENERAL
Component Metric Inch
Planetary end play 0.127-1.22
mm0.005-0.048
in.
Input shaft end play 0.56-2.31
mm0.022-0.091
in.
Clutch pack clearance/
Front.1.70-
3.40mm0.067-0.134
in.
Clutch pack clearance/
Rear.0.559-0.914
mm0.022-0.036
in.
Front clutch 4 discs
Rear clutch 4 discs
Overdrive clutch 3 discs
Component Metric Inch
Direct clutch 6 discs
42RE Band adjustment
from 72 in. lbs.
Front band Back off 3 turns
Rear band Back off 4 turns
Recommended fluid MoparTATF +4, type 9602
GEAR RATIOS
1ST GEAR 2.74:1
2ND GEAR 1.54:1
3RD GEAR 1.0:1
4TH GEAR 0.69:1
REVERSE 2.21:1
THRUST WASHER/SPACER/SNAP-RING DIMENSIONS
Component Metric Inch
Front clutch thrust washer (reaction shaft
support hub)1.55 mm 0.061 in.
Rear clutch thrust washer (clutch retainer) 1.55 mm 0.061 in.
Intermediate shaft thrust plate (shaft hub pilot) Select fit to set end play
Output shaft thrust washer (rear clutch hub) 1.5-1.6 mm 0.060-0.063 in.
Rear clutch pack snap-ring 1.5 mm 0.060 in.
1.95 mm 0.076 in.
2.45 mm 0.098 in.
Planetary geartrain snap-ring (at front of output shaft) Select fit (three thicknesses avalible)
Overdrive piston thrust plate Thrust plate and
spacer are select fit.
Refer to size charts
and selection
procedures in
Overdrive Unit D&A
procedures Intermiediate shaft spacer
WJAUTOMATIC TRANSMISSION - 42RE 21 - 55
AUTOMATIC TRANSMISSION - 42RE (Continued)