Diesel Data: Automotive Repair

Forward Servo Replacement

Removal Procedure





1. install the engine support fixture. Refer to Engine.
2. Raise and support the vehicle. Refer to Vehicle Lifting.
3. Remove the power steering rack and pinion and hang the power steering rack and pinion from the exhaust pipe. Refer to Power Steering Gear Replacement in Steering and Suspension.
4. Remove the transaxle mount lower nuts. Refer to A/T Mount Replacement.
5. Remove the engine mount lower nuts. Refer to Engine Mount Replacement in Engine.
6. Remove the power steering cooler pipe from the right side of the frame.
7. Support the rear of the frame with a jackstand.
8. Loosen the front frame bolts.
9. Adjust the jackstand to lower the rear of the frame.
10. Position a drain pan under the forward servo cover.
11. Remove the bolts and/or screws attaching the servo cover to the transaxle case.
12. Remove the forward servo cover.
13. Remove the forward servo cover O-ring.
14. Remove the servo piston assembly.
15. Remove the servo spring.


Installation Procedure





1. Install the servo spring.
2. Install the servo piston assembly.
3. Install the forward servo cover O-ring.
4. Install the forward servo cover.

Notice: Refer to Fastener Notice in Service Precautions.

5. Install the forward servo cover attaching bolts.
^ Tighten the forward servo cover attaching bolts to 11 Nm (97 inch lbs.).
6. Remove the drain pan from under the forward servo cover.
7. Adjust the jackstand to raise the rear of the frame.
8. Install the frame bolts.
9. Remove the support from the rear of the frame.
10. Install the power steering cooler pipe to the right side of the frame.
11. Install the engine mount lower nuts. Refer to Engine Mount Replacement in Engine.
12. Install the transaxle mount lower nuts. Refer to A/T Mount Replacement.
13. Install the power steering rack and pinion. Refer to Power Steering Gear Replacement in Steering and Suspension.
14. Lower the vehicle.
15. Remove the engine support fixture. Refer to Engine.