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Home >> Lincoln >> 2012 >> MKZ Base, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle (AISIN Aw21) >> In-Vehicle Repair >> Main Control Valve Body >> Removal
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Main Control Valve Body: Removal

NOTE: The use of any transmission fluid other than what is recommended for this transaxle will cause transaxle damage.
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
  2. Remove the screws and the underbody cover.
    Fig 1: Location of Underbody Cover And Screws
    G06257240Courtesy of FORD MOTOR CO.
  3. Remove the transmission fluid drain plug and allow the transmission fluid to drain.
    Fig 2: Location of Transmission Fluid Drain Plug
    G06263932Courtesy of FORD MOTOR CO.
  4. Disconnect the transmission fluid cooler tubes at the transaxle and position the tubes aside.
    Fig 3: Location of Transmission Fluid Cooler Tubes Mounting Bolt
    G06263944Courtesy of FORD MOTOR CO.
  5. Remove and discard the transmission fluid pan bolts and remove the pan.
    Fig 4: Location of Transmission Fluid Pan Bolt
    G06263961Courtesy of FORD MOTOR CO.
  6. NOTE: When removing the sealer, use care not to damage the sealing surfaces.
    Fig 5: Location of Fluid Pan Sealer Applying Area
    G06263946Courtesy of FORD MOTOR CO.
  7. Remove the sealer off the fluid pan.
  8. Disconnect the wire harness from the solenoids.
    1. Remove the wire harness from the clamps.
    • Disconnect the 8 solenoid connectors and the 2 speed sensor connectors.
      Fig 6: Location of Solenoid Connectors And Speed Sensor Connectors
      G06263947Courtesy of FORD MOTOR CO.
  9. Remove the 2 speed sensor wire connectors from the solenoid clamp.
    1. Remove the Output Shaft Speed (OSS) sensor wire connector from the solenoid clamp.
    2. Remove the Turbine Shaft Speed (TSS) sensor wire connector from the solenoid clamp.
      Fig 7: Identifying Output Shaft Speed Sensor Wire Connector And Turbine Shaft Speed Sensor Wire Connector
      G07785929Courtesy of FORD MOTOR CO.
  10. Remove the bolt and the lock plate and pull out the Transmission Fluid Temperature (TFT) sensor.
    Fig 8: Identifying Transmission Fluid Temperature (TFT) Sensor, Lock Plate With Mounting Bolt
    G06263949Courtesy of FORD MOTOR CO.
  11. Remove the 2 bolts, suction cover and gasket.
    Fig 9: Identifying Suction Cover, Gasket With Bolts
    G06263950Courtesy of FORD MOTOR CO.
  12. Remove the 6 main control valve body bolts in the sequence shown in illustration.
    Fig 10: Identifying Main Control Valve Body Bolts Removing Sequence
    G06263951Courtesy of FORD MOTOR CO.
  13. NOTE: Be careful when removing the main control valve body, the manual control lever will fall out of its bore. Also, once all the bolts are removed, the main control valve body will fall out of the transaxle.
    Fig 11: Location of Main Control Valve Body
    G06263952Courtesy of FORD MOTOR CO.
  14. Remove the main control valve body.