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Reverse Servo Assembly: Installation

WARNING: This page is about a different car, the 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
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 And Piston
    G01608360Courtesy 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: Installing Special Tool
    G01608361Courtesy 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: Attaching Special Tool To Transmission
    G01608362Courtesy of FORD MOTOR CO.
  4. Loosen the bolt until the piston stops against the tool.
    Fig 4: Loosening Bolt
    G01608363Courtesy of FORD MOTOR CO.
  5. Verify the amount of piston travel on the dial indicator is within specification.
    Fig 5: Attaching Dial Indicator
    G01608364Courtesy 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: Measuring Length Servo Piston Assembly
    G01608365Courtesy of FORD MOTOR CO.
  7. Remove the dial indicator and servo selection tool.
    Fig 7: Removing Dial Indicator
    G01608366Courtesy 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: Installing Correct Reverse Servo Assembly
    G01608367Courtesy 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: Installing Reverse Servo Retaining Ring
    G01608368Courtesy of FORD MOTOR CO.
  10. Install the main control valve body. For additional information, refer to MAIN CONTROL VALVE BODY .
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