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Home >> Ford >> 2003 >> Expedition 5.4 L, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle/Transmission >> In-Vehicle Repair >> Overdrive Servo >> Removal

Overdrive Servo: Removal

  1. Remove the main control valve body. For additional information, refer to MAIN CONTROL VALVE BODY .
  2. NOTE: If the tool is not available, extreme care must be taken. Spring pressure will force overdrive servo piston assembly out of case. Case bore damage may result from trying to pry on overdrive servo internal retaining ring.
    Fig 1: Compressing The Servo Spring
    G01564808Courtesy of FORD MOTOR CO.
  3. Using the special tool, compress the servo spring to remove the overdrive servo retaining ring.
  4. Remove the overdrive servo piston and return spring.
    Fig 2: Removing Overdrive Servo Piston And Return Spring
    G01564809Courtesy of FORD MOTOR CO.