Jeep XJ. Manual — part 419
SPECIFICATIONS
30RH AUTOMATIC TRANSMISSION
GENERAL
COMPONENT
METRIC
INCH
Oil pump gear tip clearance
0.089-0.190 mm
0.0035-0.0075 in.
Planetary end play
0.125-1.19 mm
0.001-0.047 in.
Input shaft end play
0.56-2.31 mm
0.022-0.091 in.
Clutch pack clearance/Front 4-disc.
1.70-3.40 mm
0.067-0.134 in.
Clutch pack clearance/Rear 4-disc.
0.559-0.940 mm
0.022-0.037 in.
Front clutch spring usage
1 spring
30RH-Front Band adjustment from 72 in. lbs.
Back off 2.5 turns
30RH-Rear Band adjustment from 41 in. lbs.
Back off 7 turns
Recommended fluid
Mopar
T
, ATF Plus 3, Type 7176
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.
Output shaft thrust plate (output shaft pilot hub)
1.5-1.6mm
0.060-0.063 in.
Output shaft thrust washer (rear clutch hub)
1.3-1.4 mm
0.052-0.054 in.
1.7-1.8 mm
0.068-0.070 in.
2.1-2.2 mm
0.083-0.086 in.
Rear clutch pack snap ring
1.5-1.6 mm
0.06-0.062 in.
1.7-1.8 mm
0.068-0.070 in.
1.9-2.0 mm
0.076-0.078 in.
Planetary geartrain snap ring
(at front of output shaft)
1.0-1.1 mm
0.040-0.044 in.
1.6-1.7 mm
0.062-0.066 in.
2.1-2.2 mm
0.082-0.086 in.
PRESSURE TEST—ALL
ITEM
RANGE
PRESSURE
Line pressure (at
accumulator)
Closed throttle
372-414 kPa (54-60 psi).
Front servo
Third gear only
No more than 21 kPa (3 psi) lower than line pressure.
Rear servo
1 range
No more than 21 kPa (3 psi) lower than line pressure.
R range
1103 kPa (160 psi) at idle, builds to 1862 kPa (270 psi)
at 1600 rpm.
21 - 212
AUTOMATIC TRANSMISSION—30RH
XJ
ITEM
RANGE
PRESSURE
Governor
D range closed throttle
Pressure should respond smoothly to changes in mph
and return to 0-7 kPa (0-1.5 psi) when stopped with
transmission in D, 1, 2. Pressure above 7 kPa (1.5 psi)
at stand still will prevent transmission from
downshifting.
TORQUE
DESCRIPTION
TORQUE
Bolt/nut, crossmember . . . . . . . . 68 N·m (50 ft. lbs.)
Bolt, driveplate to crankshaft . . 75 N·m (55 ft. lbs.)
Plug, front band reaction . . . . . 17 N·m (13 ft. lbs.)
Locknut, front band adj. . . . . . . 34 N·m (25 ft. lbs.)
Switch, park/neutral . . . . . . . . . 34 N·m (25 ft. lbs.)
Bolt, fluid pan . . . . . . . . . . . . . . 17 N·m (13 ft. lbs.)
Bolt, oil pump . . . . . . . . . . . . . . 20 N·m (15 ft. lbs.)
Bolt, overrunning clutch cam . . 17 N·m (13 ft. lbs.)
Plug, pressure test port . . . . . . . 14 N·m (10 ft. lbs.)
Bolt, reaction shaft support . . . . 20 N·m (15 ft. lbs.)
Locknut, rear band . . . . . . . . . . 41 N·m (30 ft. lbs.)
Bolt. speedometer adapter . . . . . . 11 N·m (8 ft. lbs.)
Screw, fluid filter . . . . . . . . . . . . 4 N·m (35 in. lbs.)
Bolt, valve body to case . . . . . 12 N·m (100 in. lbs.)
SPECIAL TOOLS
30RH TRANSMISSIONS
Remover—6957
Installer—6951
Retainer, Detent Ball and Spring—6583
Snap-ring Plier—6823
Pilot Stud—C-3288-B
Pressure Gauge—C-3292
XJ
AUTOMATIC TRANSMISSION—30RH
21 - 213
SPECIFICATIONS (Continued)
Pressure Gauge—C-3293SP
Dial Indicator—C-3339
Spring Compressor—C-3422-B
Fixture, Engine Support—C-3487-A
Spring Compressor—C-3575-A
Spring Compressor—C-3863-A
Adapter, Band Adjuster—C-3705
Transmission Repair Stand—C-3750-B
Puller, Slide Hammer—C-3752
Gauge, Throttle Setting—C-3763
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AUTOMATIC TRANSMISSION—30RH
XJ
SPECIAL TOOLS (Continued)
Seal Installer—C-3860-A
Bushing Remover/Installer—C-3887-J
Cup, Remover—SP-3633
Remover, Bushing—SP-5301
Installer, Bushing—SP-5118
Installer, Bushing—SP-5302
Remover, Bushing—SP-3550
Remover, Bushing—SP-3629
Installer, Bushing—SP-5511
Snap-ring Plier—C-3915
XJ
AUTOMATIC TRANSMISSION—30RH
21 - 215
SPECIAL TOOLS (Continued)
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