Ford Mustang (1999-2004) Service Manual: Reverse Servo Assembly

Special Tool(s)

Dial Indicator Gauge with Holding Fixture 100-002 (TOOL-4201-C)
Remover/Installer, Servo Piston 307-251 (T92P-70023-A)
Installer, Servo Piston 307-073 (T80L-77030-A)

Removal

1. Remove the main control valve body. For additional information, refer to Main Control Valve Body in this section.

2. Using the special tool, remove the reverse band servo retaining ring.

1. Compress the servo spring.

2. Remove the reverse band servo retaining ring.

Reverse Servo Assembly

3. Remove the reverse servo assembly.

1. Remove the reverse band servo cover.

2. Remove the reverse band servo piston and rod.

3. Remove the reverse band servo spring.

Reverse Servo Assembly

Installation

NOTE: This is not an ordinary installation procedure and does not compensate for band wear.

1. NOTE: Lubricate the reverse piston seal to facilitate assembly and prevent damage to the seal.

Install the reverse servo return spring and piston.

  • Do not install the piston cover.

Reverse Servo Assembly

2. Install the special tool and tighten the band apply bolt.

Reverse Servo Assembly

3. Attach the special tool to the transmission.

  • Position the indicator stem on the flat portion of the reverse servo piston and zero the dial indicator.

Reverse Servo Assembly

4. Loosen the bolt until the piston stops against the tool.

Reverse Servo Assembly

5. Verify that the amount of piston travel on the dial indicator is within specification.

Reverse Servo Assembly

6. If piston travel is not within specification, select and install the correct servo piston assembly to bring the servo piston travel within specification.

1. One groove

2. Two groove

3. Three groove

Reverse Servo Assembly

7. Remove the dial indicator and servo selection tool.

Reverse Servo Assembly

8. Install the correct reverse servo assembly.

1. Install the reverse band servo spring.

2. Install the reverse band servo piston and rod.

3. Install the reverse band servo cover.

Reverse Servo Assembly

9. Using the special tool, install the reverse servo retaining ring.

1. Compress the servo spring.

2. Install the reverse band servo retaining ring.

Reverse Servo Assembly

10. Install the main control valve body. For additional information, refer to Main Control Valve Body in this section.

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