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 petroleum jelly. Lubricate other servo parts with Mopart 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