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Home >> Ford >> 2011 >> Expedition RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6R80 >> In-Vehicle Repair >> Mechatronic Assembly >> Removal

Mechatronic Assembly: Removal

Mechatronic assembly 

NOTE: The only serviceable solenoid in the mechatronic assembly is Shift Solenoid E (SSE). If the mechatronic assembly is being removed due to a faulty SSE  , follow the specific steps in this procedure to install a new SSE  . If the mechatronic assembly is being removed due to a faulty solenoid other than SSE  , a new mechatronic assembly must be installed.
  1. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
  2. Retrieve the module configuration from the PCM. Carry out the module configuration retrieval steps of the Programmable Module Installation (PMI) procedure. For additional information, refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
  3. NOTE: Do not pull on the wire harness to disconnect the connector or damage to the connector will occur.
    Fig 1: Locating Transmission Vehicle Harness Connector
    G07454660Courtesy of FORD MOTOR CO.
  4. Disconnect the transmission vehicle harness connector by twisting the outer shell and pulling back on the connector.
  5. Remove the transmission fluid fill plug transmission fluid level indicator assembly located on the passenger side front portion of the transmission case. Removal of the transmission fluid fill plug will relieve any vacuum that might have built up in the transmission. This will aid in allowing the transmission fluid pan to be easily removed when the bolts are removed.
    Fig 2: Locating Transmission Fluid Fill Plug
    G07454661Courtesy of FORD MOTOR CO.
  6. Remove the transmission fluid pan and allow the transmission fluid to drain.
    Fig 3: Locating Transmission Fluid Pan Bolts
    G07454662Courtesy of FORD MOTOR CO.
  7. Remove the transmission fluid pan gasket.
    Fig 4: Locating Transmission Fluid Pan Gasket
    G07454663Courtesy of FORD MOTOR CO.
  8. NOTE: The transmission fluid filter may be reused if no excessive contamination is indicated.
    Fig 5: Locating Transmission Fluid Filter
    G07454664Courtesy of FORD MOTOR CO.
  9. Remove and discard the transmission fluid filter.
  10. Pull the release tab and pull down on the transmission bulkhead electrical connector retainer.
    Fig 6: Locating Release Tab
    G07454665Courtesy of FORD MOTOR CO.
  11. NOTE: Do not touch the electrical connector pins or the exposed solenoid tabs on the transmission bulkhead electrical connector. Electrostatic discharge may occur and may cause damage to the mechatronic unit.
    Fig 7: Pulling Outer Shell Of Transmission Vehicle Harness Connector
    G07454666Courtesy of FORD MOTOR CO.
  12. With the release tab down, pull the outer shell of the transmission bulkhead electrical connector out of the mechatronic assembly.
  13. NOTE: Do not touch the electrical connector pins or the exposed solenoid tabs on the transmission bulkhead electrical connector. Electrostatic discharge may occur and may cause damage to the mechatronic unit.
    Fig 8: Pulling Bulkhead Connector Out Of Transmission
    G07454667Courtesy of FORD MOTOR CO.
  14. Pull the transmission bulkhead electrical connector out of the transmission case.
  15. NOTE: During removal of the mechatronic assembly, the thermal bypass valve will fall out of the transmission case. Damage to the valve will occur if the valve falls out.
    Fig 9: Locating Mechatronic Assembly Bolts
    G07454668Courtesy of FORD MOTOR CO.
  16. Remove the 11 bolts from the mechatronic assembly and remove the mechatronic assembly and the bypass valve.

    SSE 

  17. Remove the 6 long bolts from the TCM  unit.
    Fig 10: Locating TCM Unit Long Bolts
    G07454669Courtesy of FORD MOTOR CO.
  18. Carefully separate the TCM  from the mechatronic assembly.
    1. TCM 
    2. Mechatronic assembly
      Fig 11: Separating TCM And Mechatronic Assembly
      G07454670Courtesy of FORD MOTOR CO.
  19. Remove the 8 solenoid bracket bolts and the solenoid bracket.
    Fig 12: Locating Solenoid Bracket Bolts
    G07454671Courtesy of FORD MOTOR CO.
  20. Remove SSE  .
    Fig 13: Locating Shift Solenoid E
    G07454672Courtesy of FORD MOTOR CO.