Rear Servo Piston Disassembly And Assembly; Oil Pump And Reaction Shaft Support Disassembly; Rear Servo Components; Removing Pump Seal Ring - Jeep 200 Cherokee Service Manual

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DISASSEMBLY AND ASSEMBLY (Continued)
REAR SERVO PISTON
DISASSEMBLY
(1) Remove small snap ring and remove plug and
spring from servo piston (Fig. 170).
(2) Remove and discard servo piston seal ring.
ASSEMBLY
(1) Lubricate piston and guide seals with petro-
leum jelly. Lubricate other servo parts with Mopar
ATF Plus 3, Type 7176, transmission fluid.
(2) Install new seal ring on servo piston.
(3) Assemble piston, plug, spring and new snap
ring.
(4) Lubricate piston seal lip with petroleum jelly.
Fig. 170 Rear Servo Components
1 – SNAP RING
2 – PISTON SEAL
3 – PISTON PLUG
4 – SPRING RETAINER
5 – SNAP RING
6 – PISTON SPRING
7 – CUSHION SPRING
8 – PISTON
OIL PUMP AND REACTION SHAFT SUPPORT
DISASSEMBLY
(1) Remove seal ring from housing and reaction
shaft support (Fig. 171).
Fig. 171 Removing Pump Seal Ring
1 – PUMP HOUSING SEAL RING
AUTOMATIC TRANSMISSION—30RH
(2) Mark pump housing and support assembly for
alignment reference.
(3) Remove bolts attaching pump body to support
(Fig. 172).
Fig. 172 Pump Support Bolts
1 – REACTION SHAFT SUPPORT
2 – PUMP
(4) Separate support from pump housing (Fig.
173).
(5) Remove inner and outer gears from reaction
shaft support (Fig. 174).
(6) If pump seal was not removed during transmis-
sion disassembly, remove seal with punch and ham-
mer.
(7) Remove front clutch thrust washer from sup-
port hub (Fig. 175).
Fig. 173 Separating Pump Housing From Reaction
Shaft Support
1 – REACTION SHAFT SUPPORT
2 – PUMP HOUSING
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