LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Ford >> 2002 >> Crown Victoria Base, 4.6 W >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission >> In-Vehicle Repair >> Reverse Servo Assembly >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Reverse Servo Assembly: Installation

NOTE: This is not an ordinary installation procedure and does not compensate for band wear.
    NOTE: Lubricate the reverse piston seal to facilitate assembly and prevent damage to the seal.
    Fig 1: Installing Reverse Servo Return Spring & Piston
    G01940321Courtesy of FORD MOTOR CO.
  1. Install the reverse servo return spring and piston.
    • Do not install the piston cover.
  2. Install the special tool and tighten the band apply bolt.
    Fig 2: Identifying Servo Piston Installer
    G01940322Courtesy of FORD MOTOR CO.
  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.
    Fig 3: Identifying Dial Indicator With Holding Fixture
    G01940323Courtesy of FORD MOTOR CO.
  4. Loosen the bolt until the piston stops against the tool.
    Fig 4: Identifying Servo Piston Installer Bolt
    G01940324Courtesy of FORD MOTOR CO.
  5. Verify the amount of piston travel on the dial indicator is within specification.
    Fig 5: Identifying Piston Travel Specifications
    G01940325Courtesy of FORD MOTOR CO.
  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
    Fig 6: Identifying Correct Servo Piston Assembly
    G01940326Courtesy of FORD MOTOR CO.
  7. Remove the dial indicator and servo selection tool.
    Fig 7: Identifying Dial Indicator & Servo Selection Tool
    G01940327Courtesy of FORD MOTOR CO.
  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.
    Fig 8: Identifying Reverse Band Servo Spring, Reverse Band Servo Piston & Rod & Reverse Band Servo Cover
    G01940328Courtesy of FORD MOTOR CO.
  9. Using the special tool, install the reverse servo retaining ring.
    1. Compress the servo spring.
    2. Install the reverse band servo retaining ring.
    Fig 9: Identifying Servo Piston Remover/Installer & Reverse Band Servo Retaining Ring
    G01940329Courtesy of FORD MOTOR CO.
  10. Install the main control valve body. For additional information, refer to MAIN CONTROL VALVE BODY .
scientia non olet · About LEMON Manuals