Reverse Servo Replacement

Removal Procedure
1. Remove the transmission oil pan and filter. Refer to Automatic Transmission Fluid/Filter Changing.





2. Remove the rear servo assembly from the transmission case as follows:
^ Cover bolts (6).
^ Cover (5).
^ Cover gasket (4).
^ Bottom retaining clip (3).
^ Servo piston (2).
^ Outer ring oil seal (1).
^ Inner ring oil seal (7).
^ Accumulator piston (8).
^ Piston seal (9).
^ Washer (10).
^ Servo spring (11).
^ Servo spring retainer (12).
^ Selective pin (13).
^ Accumulator spring (14).

Checking Procedure

^ Tools Required
- J21370-10 Gage Pin
- J38737 Band Apply Pin Checking Tool.





1. Place the J21370-10 in the servo bore.





2. Position the J33737 over the bore with the hex nut facing the parking pawl linkage.

Notice: Refer to Fastener Notice in Service Precautions.

3. Fasten the J38737 with the two rear servo cover bolts.
^ Tighten the bolts to 24 Nm (18 ft. lbs.).
4. Ensure the J21370-10 moves freely in the tool and the pin bore.
5. In order to determine the correct pin length, tighten the nut on the gauge.
^ Tighten the nut to 34 Nm (25 ft. lbs.).





6. Select the correct band apply pin length.

Installation Procedure





1. Remove the rear servo assembly from the transmission case as follows:
^ Accumulator spring (14).
^ Selective pin (13).
^ Servo spring retainer (12).
^ Servo spring (11).
^ Washer (10).
^ Piston seal (9).
^ Accumulator piston (8).
^ Inner ring oil seal (7).
^ Outer ring oil seal (1).
^ Servo piston (2).
^ Bottom retaining clip (3).
^ Cover gasket (4).
^ Cover (5).
^ Cover Bolt (6).

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the cover bolts (61).
^ Tighten the bolts to 24 Nm (18 ft. lbs.).
3. Install the transmission oil pan and filter. Refer to Automatic Transmission Fluid/Filter Changing.