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Main Control Valve Body: Removal

    NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms can occur while the vehicle relearns its adaptive strategy. The customer needs to be notified that they may experience slightly different upshifts either soft or firm and this is a temporary condition and will eventually return to normal operating condition.
  1. Disconnect the battery ground cable.
  2. With the vehicle in NEUTRAL, position on a hoist.
  3. Place a drain pan under the transmission fluid pan.
  4. Disconnect the shift cable from the manual control lever.
    Fig 1: Disconnecting Shift Cable From Manual Control Lever
    G01298876Courtesy of FORD MOTOR CO.
  5. Disconnect the digital transmission range (TR) sensor electrical connector.
    Fig 2: Disconnecting Digital Transmission Range (TR) Sensor Electrical Connector
    G01298877Courtesy of FORD MOTOR CO.
  6. Remove the manual control outer lever nut and manual control outer lever.
    Fig 3: Removing Manual Control Outer Lever Nut
    G01298878Courtesy of FORD MOTOR CO.
  7. Loosen the screws on the digital TR sensor.
    Fig 4: Loosening Screws
    G01298879Courtesy of FORD MOTOR CO.
    8. NOTE: If equipped, the transmission servo heat shield needs to be unclipped from the fluid pan rail and positioned out of the way for fluid pan removal.
    Fig 5: Loosening Nut
    G01298880Courtesy of FORD MOTOR CO.
  8. If equipped, loosen the nut and position the heat shield out of the way.
  9. Drain transmission fluid.
    • Remove all the transmission fluid pan screws except for two in the front. Loosen the two front transmission fluid pan screws. Pry the rear of the transmission fluid pan down and allow fluid to drain. After fluid is drained remove the front two transmission fluid pan screws.
    Fig 6: Removing Transmission Fluid Pan Screws
    G01298881Courtesy of FORD MOTOR CO.
    10. NOTE: If a transmission has been disassembled to install new parts and the valves in the main control valve body stick repeatedly from foreign material, the torque converter must be removed and cleaned by using a suitable torque converter/fluid cooler cleaner.
    Fig 7: Removing Transmission Fluid Pan
    G01298882Courtesy of FORD MOTOR CO.
  10. Remove the transmission fluid pan.
    1. Remove the transmission fluid pan.
    2. Remove and discard the transmission fluid pan gasket.
  11. Remove and discard the transmission fluid filter.
    1. Remove the transmission fluid filter screw.
    2. Remove the transmission fluid filter.
    Fig 8: Removing Transmission Fluid Filter
    G01298883Courtesy of FORD MOTOR CO.
  12. Unclip main control valve body wire harness.
    • Lift up on wire harness guide and protector and disengage the retaining pins from the solenoid clamps.
    Fig 9: Unclipping Main Control Valve Body Wire Harness
    G01298884Courtesy of FORD MOTOR CO.
  13. Disconnect the six solenoid electrical connectors.
    1. Disconnect the SSA, SSB, SSC and SSD electrical connectors.
    2. Disconnect the torque converter clutch (TCC) solenoid electrical connector.
    3. Disconnect the electronic pressure control (EPC) solenoid electrical connector.
    Fig 10: Disconnecting Six Solenoid Electrical Connectors
    G01298885Courtesy of FORD MOTOR CO.
  14. Remove the manual control valve detent lever spring.
    1. Remove the manual control valve detent lever spring screw.
    2. Remove the manual control valve detent lever spring.
    Fig 11: Removing Manual Control Valve Detent Lever Spring Screw
    G01298886Courtesy of FORD MOTOR CO.
  15. Remove the low/reverse servo.
    1. Remove the low/reverse servo cover screws.
    2. Remove the low/reverse band servo cover and gasket. Discard the low/reverse servo separator plate cover gasket.
    Fig 12: Removing Low/Reverse Servo Cover Screws
    G01298887Courtesy of FORD MOTOR CO.
  16. Remove the low/reverse band servo piston and rod.
    Fig 13: Removing Low/Reverse Band Servo Piston And Rod
    G01298888Courtesy of FORD MOTOR CO.
    17. CAUTION: Support the main control valve body.
    Fig 14: Removing Two (Gold) Screws Specified
    G01298889Courtesy of FORD MOTOR CO.
  17. Do not remove the two (gold) screws specified.
    18. CAUTION: Support the main control valve body.
    Fig 15: Removing Screws
    G01298890Courtesy of FORD MOTOR CO.
  18. Remove the screws.
  19. Remove the main control valve body.
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