Jeep XJ. Manual — part 409
(29) Install output shaft thrust plate on shaft hub
in planetary geartrain driving shell (Fig. 152). Use
petroleum jelly to hold thrust plate in place.
(30) Check rear clutch thrust washer. Use addi-
tional petroleum jelly to hold washer in place if nec-
essary.
(31) Coat output shaft thrust washer with petro-
leum jelly. Install washer in rear clutch hub (Fig.
154). Use enough petroleum jelly to hold washer in
place. Be sure grooved side of washer faces
rearward (toward output shaft) as shown. Also
note that washer only fits one way in clutch
hub.
(32) Align drive teeth on rear clutch discs with
small screwdriver (Fig. 155). This will make installa-
tion into front of planetary geartrain easier.
(33) Insert front band into opening at front of
transmission case (Fig. 156).
(34) Install front and rear clutch units as assembly
(Fig. 157). Align rear clutch with front annulus gear
and install assembly in driving shell. Be sure out-
put shaft thrust washer and thrust plate are
not displaced during installation.
(35) Carefully work assembled clutches back and
forth to engage and seat rear clutch discs on front
annulus gear. Verify that front clutch drive lugs are
Fig. 152 Output Shaft Thrust Plate
1 – OUTPUT SHAFT HUB
2 – OUTPUT SHAFT THRUST PLATE
Fig. 153 Assembling Front And Rear Clutch Units
1 – TURN FRONT CLUTCH BACK & FORTH UNTIL SEATED
2 – REAR CLUTCH ASSEMBLY
Fig. 154 Output Shaft Thrust Washer
1 – REAR CLUTCH HUB
2 – OUTPUT SHAFT THRUST WASHER
3 – OUTPUT SHAFT
Fig. 155 Aligning Rear Clutch Disc Lugs
1 – REAR CLUTCH DISCS
2 – USE SMALL SCREWDRIVER TO ALIGN CLUTCH DISC
TEETH
21 - 172
AUTOMATIC TRANSMISSION—30RH
XJ
DISASSEMBLY AND ASSEMBLY (Continued)
fully engaged in slots of driving shell after installa-
tion.
(36) Engage front band on adjusting screw and
hold band in place.
(37) Install strut between band lever and front
band (Fig. 158).
(38) Tighten front band adjusting screw until band
just grips clutch retainer. Verify that front/rear
clutches are still seated before continuing.
(39) Verify that reaction shaft support hub seal
rings are hooked together (Fig. 159).
(40) Coat front clutch thrust washer with petro-
leum jelly to hold it in place. Then install washer
over reaction shaft hub and seat it on pump (Fig.
160).
CAUTION: The thrust washer bore (I. D.), is cham-
fered on one side. Make sure the chamfered side is
installed so it faces the pump.
Fig. 156 Front Band
1 – FRONT BAND
2 – TRANSMISSION HOUSING
Fig. 157 Installing Front/Rear Clutch
1 – FRONT BAND
2 – FRONT CLUTCH AND DRUM
3 – TRANSMISSION HOUSING
4 – REAR CLUTCH
Fig. 158 Front Band Linkage Installation
1 – BAND LEVER
2 – BAND STRUT
3 – FRONT BAND
Fig. 159 Reaction Shaft Support Seal Rings
1 – REACTION SHAFT SUPPORT HUB
2 – FRONT CLUTCH THRUST WASHER
3 – SEAL RINGS
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AUTOMATIC TRANSMISSION—30RH
21 - 173
DISASSEMBLY AND ASSEMBLY (Continued)
(41) Thread two Pilot Stud Tools C-3288-B into
bolt holes in oil pump flange (Fig. 161).
(42) Align and install oil pump gasket (Fig. 161).
(43) Lubricate oil pump seals with Mopar
t Door-
Ease, or Ru-Glyde, Door Eze, or ATF Plus 3.
(44) Install oil pump (Fig. 162). Align and position
pump on pilot studs. Slide pump down studs and
work it into front clutch hub and case by hand. Then
install two or three pump bolts to hold pump in
place.
(45) Remove pilot stud tools and install remaining
oil pump bolts. Tighten bolts alternately in diagonal
pattern to 20 N·m (15 ft. lbs.).
(46) Measure input shaft end play (Fig. 163).
NOTE: If end play is incorrect, transmission is
incorrectly
assembled,
or
output
shaft
thrust
washer and/or thrust plate are worn and need to be
changed.
(a) Attach Adapter 8266–7 to Handle 8266–8.
(b) Attach
dial
indicator
C-3339
to
Handle
8266–8.
(c) Install the assembled tool onto the input
shaft of the transmission and tighten the retaining
screw on Adapter 8266–7 to secure it to the input
shaft.
(d) Position the dial indicator plunger against a
flat spot on the oil pump and zero the dial indica-
tor.
(e) Move input shaft in and out and record read-
ing. End play should be 0.56 - 2.31 mm (0.022 -
0.091 in.).
(47) Position transmission on work surface with
pan face upward.
(48) Install valve body.
(49) Adjust front and rear bands.
(50) Install fluid filter and pan.
(51) Install rear extension housing.
(52) Install torque converter.
Fig. 160 Front Clutch Thrust Washer Installation
1 – THRUST WASHER
2 – CHAMFERED SIDE OF WASHER BORE GOES TOWARD
PUMP
Fig. 161 Installing Pilot Studs And Oil Pump Gasket
1 – OIL PUMP GASKET
2 – PILOT STUD TOOLS C-3288–B
Fig. 162 Installing Oil Pump And Reaction Shaft
Support
1 – OIL PUMP
2 – PILOT STUD TOOL
3 – PILOT STUD TOOL
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DISASSEMBLY AND ASSEMBLY (Continued)
OVERRUNNING CLUTCH/LOW-REVERSE DRUM
DISASSEMBLY
(1) If the clutch assembly came out with the low-
reverse drum, thread two clutch cam bolts into the
cam. Then lift the cam out of the drum with the bolts
(Fig. 164). Rotate the cam back and forth to ease
removal if necessary.
(2) Remove the clutch roller and spring assembly
from the overrunning clutch race.
ASSEMBLY
(1) Assemble clutch rollers and springs in retainer
if necessary (Fig. 165).
(2) Install overrunning clutch roller, spring and
retainer assembly in clutch cam (Fig. 166).
(3) Temporarily assemble and check overrunning
clutch operation as follows:
(a) Assemble cam and clutch.
Fig. 164 Removing Overrunning Clutch From
Low-Reverse Drum
1 – CAM BOLTS
2 – LOW-REVERSE DRUM
3 – OVERRUNNING CLUTCH AND CAM
Fig. 165 Overrunning Clutch Rollers, Springs,
Retainer
1 – RETAINER
2 – SPRING
3 – ROLLER
Fig. 166 Assembling Overrunning Clutch And Cam
1 – CLUTCH CAM
2 – CLUTCH ROLL ASSEMBLY
Fig. 163 Checking Input Shaft End Play
1 – TOOL 8266-8
2 – TOOL 8266-7
3 – TOOL C-3339
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AUTOMATIC TRANSMISSION—30RH
21 - 175
DISASSEMBLY AND ASSEMBLY (Continued)
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