Overdrive Servo: Removal
- Raise the vehicle on a hoist. For additional information, refer to JACKING & HOISTING .
- Assemble the special tool.
- Remove the splash shield.
- Remove the transmission cooler line bracket and bolt, and position the bracket out of the way.
- Using the special tool, remove the servo retaining ring.
- Install the special tool.
- Compress the servo assembly by tightening the bolt.
- Remove the retaining ring.
- Remove the special tool.
- Remove the servo cover assembly.
- Remove the intermediate and overdrive servo piston and return spring.
- Wipe the servo piston and the servo cover cap with a lint-free cloth.
- Inspect the servo piston for cracks on its pressure surfaces and in the sealing area. Look for damage near the point where the servo piston is attached to the servo rod.
- Squeeze the servo piston lip for flexibility. If the lip feels brittle, install a new piston.
- Inspect the servo retainer spring for cracks, breaks or deformation.
NOTE:
Servicing the intermediate/overdrive servo in the vehicle is only recommended in the event of a leak. If servicing is required due to a servo condition, it is necessary to remove and disassemble the transaxle to inspect the intermediate/overdrive band assembly and direct clutch for damage.
WARNING:
The servo is under pressure. Servo and servo cover are under high spring force. Use caution when removing servo cover. Failure to follow these instructions may result in personal injury.
CAUTION:
Do not use a screwdriver to remove the retaining ring or damage to the case may occur. Use only snap ring pliers to remove the retaining ring
CAUTION:
Do not clean the rubber sealing surfaces of the servo piston and the servo cover cap with cleaning solvent or damage to the sealing surface may result