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Automatic Transmission: Removal: Transmission

CAUTION: Whenever a transmission has been disassembled to install new parts, the transmission fluid cooler tubes must be cleaned and backflushed using a suitable torque converter/fluid cooler cleaner. A new oil-to-air (OTA) cooler must also be installed.
When internal wear or damage has occurred in the transmission, metal particles, clutch plate material or band material may have been carried into the torque converter and fluid cooler. These contaminants are a major cause of recurring transmission concerns and must be removed from the system before the transmission is put back into service.
NOTE: After the transmission is removed for a major overhaul, it is important to completely clean all transmission components, including torque converter, cooler inlet tube, main control valve body, clutches and all coasting booster valve shuttle balls after any transmission service that generates contamination. These contaminants are a major cause for recurring transmission concerns and must be removed from the system before the transmission is returned to service.

The cleaning of foreign material from the direct clutch check ball is often omitted. This omission can lead to a repeat servicing of the transmission.

A new OTA cooler must be installed under the following condition. For additional information, refer to TRANSAXLE/TRANSMISSION COOLING .

  1. Disconnect the battery ground cable. For additional information, refer to TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .
  2. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to TRANSAXLE/TRANSMISSION EXTERNAL CONTROLS .
    3. NOTE: Drain the transmission fluid if the transmission is disassembled or installation of a new transmission is necessary.
    Fig 1: Loosening Transmission Fluid Pan Bolts
    G02757746Courtesy of FORD MOTOR CO.
  3. Drain the transmission fluid.
    • Loosen the transmission fluid pan bolts and allow the fluid to drain. After fluid has drained remove the bolts and the pan and drain the remaining fluid that is in the pan.
  4. Install the transmission fluid pan and the old gasket.
    1. Position the transmission fluid pan gasket.
    2. Position the transmission fluid pan.
    Fig 2: Installing Transmission Fluid Pan And Old Gasket
    G02757747Courtesy of FORD MOTOR CO.
  5. Remove the drain pan.
    6. NOTE: To maintain the initial driveshaft balance, mark the rear driveshaft yoke and the axle pinion flange so they can be installed in their original positions.
    Fig 3: Removing Bolts
    G02757748Courtesy of FORD MOTOR CO.
  6. Mark the rear driveshaft yoke and the axle pinion flange and remove the four bolts.
  7. Index marked the driveshaft and extension housing. Separate the driveshaft from the transmission.
    Fig 4: Separating Driveshaft From Transmission
    G02757749Courtesy of FORD MOTOR CO.
  8. Remove the torque converter access cover plug at the left rear engine block.
    Fig 5: Removing Torque Converter Access Cover Plug
    G02757750Courtesy of FORD MOTOR CO.
  9. Remove the torque converter access cover.
    1. Remove the bolts.
    2. Remove the bolt.
    3. Remove the inspection cover.
    Fig 6: Removing Torque Converter Access Cover
    G02757751Courtesy of FORD MOTOR CO.
    10. NOTE: Make an identifying mark on the torque converter stud and the flexplate for correct alignment during assembly.
    Fig 7: Removing Torque Converter-To-Flexplate Nuts
    G02757752Courtesy of FORD MOTOR CO.
  10. Remove and discard the four torque converter-to-flexplate nuts.
  11. Disconnect the RH HO2S sensor connector.
    Fig 8: Disconnecting RH HO2S Sensor Connector
    G02757753Courtesy of FORD MOTOR CO.
  12. Disconnect the RH catalyst monitor connector.
    Fig 9: Disconnecting RH Catalyst Monitor Connector
    G02757754Courtesy of FORD MOTOR CO.
  13. Remove the bolts from the RH exhaust flange.
    Fig 10: Removing RH Exhaust Flange
    G02757755Courtesy of FORD MOTOR CO.
  14. Loosen the exhaust clamp and remove the RH exhaust pipe.
    Fig 11: Removing RH Exhaust Pipe
    G02757756Courtesy of FORD MOTOR CO.
  15. Disconnect the LH HO2S sensor connector.
    Fig 12: Disconnecting LH HO2S Sensor Connector
    G02757757Courtesy of FORD MOTOR CO.
  16. Disconnect the LH catalyst monitor connector.
    Fig 13: Disconnecting LH Catalyst Monitor Connector
    G02757758Courtesy of FORD MOTOR CO.
  17. Remove the bolts from the LH exhaust flange.
    Fig 14: Removing LH Exhaust Flange
    G02757759Courtesy of FORD MOTOR CO.
  18. Loosen the exhaust clamp and remove the LH exhaust pipe.
    Fig 15: Removing LH Exhaust Pipe
    G02757760Courtesy of FORD MOTOR CO.
    19. NOTE: Make a reference mark on the shift cable linkage to the transmission.
    Fig 16: Disconnecting Transmission Shift Linkage
    G02757761Courtesy of FORD MOTOR CO.
  19. Disconnect the transmission shift linkage.
  20. Remove the shift cable bracket and position aside.
    Fig 17: Removing Shift Cable Bracket
    G02757762Courtesy of FORD MOTOR CO.
  21. Remove the ground wire.
    Fig 18: Removing Ground Wire
    G02757763Courtesy of FORD MOTOR CO.
  22. Remove the starter electrical connector cap.
    Fig 19: Removing Starter Electrical Connector Cap
    G02757764Courtesy of FORD MOTOR CO.
  23. Disconnect the electrical connectors.
    Fig 20: Disconnecting Electrical Connectors
    G02757765Courtesy of FORD MOTOR CO.
  24. Remove the three starter bolts and the starter.
    Fig 21: Removing Starter Bolts
    G02757766Courtesy of FORD MOTOR CO.
    25. NOTE: The case connectors must be held in place to prevent them from moving.
    Fig 22: Disconnecting Transmission Fluid Cooler Tubes
    G02757767Courtesy of FORD MOTOR CO.
  25. Disconnect the transmission fluid cooler tubes.
  26. Remove the cooler line bracket and position aside.
    Fig 23: Removing Cooler Line Bracket
    G02757768Courtesy of FORD MOTOR CO.
  27. Position a suitable jack under the transmission. Secure the transmission to the jack with safety straps.
  28. Remove the rear transmission insulator nuts.
    Fig 24: Removing Rear Transmission Insulator Nuts
    G02757769Courtesy of FORD MOTOR CO.
  29. Remove the RH side crossmember bolts.
    Fig 25: Removing RH Side Crossmember Bolts
    G02757770Courtesy of FORD MOTOR CO.
  30. Remove the LH side crossmember bolt.
    Fig 26: Removing LH Side Crossmember Bolt
    G02757771Courtesy of FORD MOTOR CO.
  31. Remove the bolts and remove the parking cable bracket and position aside.
    Fig 27: Removing Parking Cable Bracket
    G02757772Courtesy of FORD MOTOR CO.
    32. NOTE: The crossmember is a press fit in the crossmember pocket, it may be necessary to pry the crossmember out of the crossmember pocket. Be careful not to damage the crossmember.
    Fig 28: Lowering RH Side Of Crossmember
    G02757773Courtesy of FORD MOTOR CO.
  32. Lower the RH side of the crossmember.
    33. NOTE: The crossmember is a press fit in the crossmember pocket, it may be necessary to pry the crossmember out of the crossmember pocket. Be careful not to damage the crossmember.
    Fig 29: Removing Crossmember
    G02757774Courtesy of FORD MOTOR CO.
  33. Lower the LH side of the crossmember and remove the crossmember.
  34. Remove the rear transmission insulator.
    Fig 30: Removing Rear Transmission Insulator
    G02757775Courtesy of FORD MOTOR CO.
    35. NOTE: It is not necessary to disconnect the transmission harness from all the transmission sensors at this time, the harness will come out with the transmission.
    Fig 31: Removing Them From Filler Tube
    G02757776Courtesy of FORD MOTOR CO.
  35. Disconnect the wire harness connectors and remove them from the filler tube.
  36. Remove the bolt.
    Fig 32: Removing Bolt
    G02757777Courtesy of FORD MOTOR CO.
  37. Position the fluid filler tube aside.
    Fig 33: Positioning Fluid Filler Tube Aside
    G02757778Courtesy of FORD MOTOR CO.
  38. Remove the transmission retaining bolts.
    Fig 34: Removing Transmission Retaining Bolts
    G02757779Courtesy of FORD MOTOR CO.
  39. Separate the transmission from the engine and lower. Partially lower the transmission from under the vehicle.
  40. Disconnect the electrical connectors.
    1. Remove the catalyst monitor connector retainer from the stud.
    2. Disconnect the transmission solenoid body electrical connector.
    Fig 35: Disconnecting Electrical Connectors
    G02757780Courtesy of FORD MOTOR CO.
  41. Disconnect the electrical connectors and remove the wire harness from the transmission.
    1. Disconnect the digital TR sensor electrical connector.
    2. Disconnect the output shaft speed (OSS) sensor electrical connector.
    3. Remove the catalyst monitor connector retainer from the stud.
    4. Disconnect the wire harness retainers and remove the harness.
    Fig 36: Disconnecting Output Shaft Speed (OSS) Sensor Electrical Connector
    G02757781Courtesy of FORD MOTOR CO.
  42. Lower the transmission from under the vehicle.
  43. Carry out the transmission fluid cooler-backflushing and cleaning if the transmission is being overhauled or installing a new or remanufactured transmission. For additional information, REFER to TRANSMISSION FLUID COOLER TUBES - BACKFLUSHING AND CLEANING .
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