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Reverse Servo Assembly: Installation

WARNING: This page is about a different car, the 2004 Ford RV Cutaway, 2004 Ford Econoline, and 2004 Ford Cutaway. 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
    G02765552Courtesy 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: Tightening Band Apply Bolt
    G02765553Courtesy 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 Position Indicator Stem On Flat Portion Of Reverse Servo Piston
    G02765554Courtesy of FORD MOTOR CO.
  4. Loosen the bolt until the piston stops against the tool.
    Fig 4: Loosening Bolt
    G02765555Courtesy of FORD MOTOR CO.
  5. Verify that the amount of piston travel on the dial indicator is within specification.
    Fig 5: Identifying Amount Of Piston Travel On Dial Indicator Within Specification
    G02765556Courtesy 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: Installing Correct Servo Piston Assembly
    G02765557Courtesy of FORD MOTOR CO.
  7. Remove the dial indicator and servo selection tool.
    Fig 7: Removing Dial Indicator And Servo Selection Tool
    G02765558Courtesy 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 Reverse Band Servo Cover
    G02765559Courtesy 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 Band Servo Retaining Ring
    G02765560Courtesy of FORD MOTOR CO.
  10. Install the main control valve body. For additional information, refer to MAIN CONTROL VALVE BODY .
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