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Home >> Lincoln >> 2011 >> MKZ Base, FWD >> 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 article.
  2. Remove the screws and the underbody cover.
    Fig 1: Locating Underbody Cover Screws
    G07785923Courtesy of FORD MOTOR CO.
  3. Remove the transmission fluid drain plug and allow the transmission fluid to drain.
    Fig 2: Locating Transmission Fluid Drain Plug
    G07785924Courtesy of FORD MOTOR CO.
  4. Disconnect the transmission fluid cooler tubes at the transaxle and position the tubes aside.
    Fig 3: Locating Transmission Fluid Cooler Tubes Mounting Bolts
    G07785925Courtesy of FORD MOTOR CO.
  5. Remove and discard the transmission fluid pan bolts and remove the pan.
    Fig 4: Identifying Transmission Fluid Pan Bolts
    G07785926Courtesy of FORD MOTOR CO.
    6. NOTE: When removing the sealer, use care not to damage the sealing surfaces.
    Fig 5: Identifying Fluid Pan Sealer Applying Area
    G07785927Courtesy of FORD MOTOR CO.
  6. Remove the sealer off the fluid pan.
  7. 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: Locating Solenoid Connectors And Speed Sensor Connectors
    G07785928Courtesy of FORD MOTOR CO.
  8. 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.
  9. Remove the bolt and the lock plate and pull out the Transmission Fluid Temperature (TFT) sensor.
    Fig 8: Identifying Transmission Fluid Temperature Sensor Bolt And Lock Plate
    G07785930Courtesy of FORD MOTOR CO.
  10. Remove the 2 bolts, suction cover and gasket.
    Fig 9: Identifying Bolts, Suction Cover And Gasket
    G07785931Courtesy of FORD MOTOR CO.
  11. Remove the 6 main control valve body bolts in the sequence shown in the illustration.
    Fig 10: Identifying Main Control Valve Body Bolts Sequence
    G07785932Courtesy of FORD MOTOR CO.
    12. 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: Identifying Manual Valve Link
    G07785933Courtesy of FORD MOTOR CO.
  12. Remove the main control valve body.
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