Toyota
Jeep Cherokee
 Service Manual
Transmission and transfer case » AW-4 automatic transmission » Removal and installation
Second coast brake servo

REMOVAL

(1) Remove valve body.

(2) Remove servo piston cover snap ring with snap ring pliers (Fig. 85).

(3) Remove servo piston and cover with compressed air. Apply compressed air through oil hole in servo boss to ease piston out of bore (Fig. 86).

Fig. 85 Removing/Installing Servo Piston Cover Snap Ring
Fig. 85 Removing/Installing Servo Piston Cover Snap Ring

1 - SERVO PISTON COVER SNAP RING
2 - SNAP RING PLIERS

Fig. 86 Removing Servo Cover And Piston
Fig. 86 Removing Servo Cover And Piston

1 - PISTON AND COVER
2 - OIL HOLE

(4) Remove and discard seal and O-rings from cover and piston (Fig. 87). Inspect E-ring, piston, spring and retainer, piston rod and piston spring.

Replace worn or damaged parts.

Fig. 87 Second Coast Brake Servo Components

Fig. 87 Second Coast Brake Servo Components

1 - SERVO PISTON
2 - SEAL RING
3 - SPRING AND RETAINER
4 - PISTON ROD
5 - PISTON SPRING
6 - SERVO COVER O-RINGS
7 - SERVO COVER
8 - SNAP RING
9 - E-RING

INSTALLATION

(1) Install new seals on cover and piston.

(2) Lubricate servo components with transmission fluid.

(3) Assemble and install servo components in case.

Be sure servo piston rod is properly engaged in the second coast brake band.

(4) Compress cover and piston and install cover snap ring.

(5) Install valve body, oil screen and oil pan.

    More about «Removal and installation»:

    Transmission and torque converter

    Torque converter

    Adapter housing seal

    Speed sensor

    Speedometer adapter

    Speed sensor rotor-speedometer drive gear

    Park/neutral position switch

    Gearshift cable

    Brake transmission shift interlock

    Transmission valve body solenoids

    Transmission valve body

    Transmission control module

    Solenoid harness adapter seal

    Manual valve shaft seal

    Accumulator pistons and springs

    Second coast brake servo

    Park rod and pawl

    Transmission throttle cable

    Oil pump seal

    Jeep Cherokee Service Manual / Transmission and transfer case / AW-4 automatic transmission / Removal and installation / Second coast brake servo

    Jeep Cherokee Service Manual

    Categories


    © 2017-2024 Copyright www.jcherokee.com