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Section 1531 (Automatic Transmission): Removal: Transmission

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools

Illustration Tool Name Tool Number
GF0000936Courtesy of FORD MOTOR CO.
 Retainer, Torque Converter 307-346 (T97T-7902-A)
NOTE: 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) transmission fluid 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 Oil-To-Air (OTA) transmission fluid cooler must be installed under the following condition. For additional information, refer to TRANSAXLE/TRANSMISSION COOLING article.

  • Evidence of broken transmission components or transmission fluid contamination found due to the following transmission or converter failure modes:
    • Major metallic failure
    • Multiple clutches or clutch plate failure
    • Sufficient component wear which results in metallic contamination
  1. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING & CABLES article.
    2. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in FIRE SUPPRESSION SYSTEM article. Failure to follow the instructions may result in serious personal injury.
  2. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING article.
    3. NOTE: Only if transmission disassembly or replacement is required, drain the transmission fluid. For additional information, refer to Fluid Pan, Gasket and Filter .
  3. Drain the transmission fluid.
    • Loosen the transmission fluid pan bolts and allow the transmission fluid to drain. After transmission fluid has drained remove the bolts and the pan and drain the remaining transmission fluid that is in the pan.
    4. Fig 1: Locating Transmission Fluid Pan Bolts
    GF0003474Courtesy of FORD MOTOR CO.
  4. Install the transmission fluid pan and the old transmission fluid pan gasket.
    1. Position the transmission fluid pan gasket.
    2. Position the transmission fluid pan.
    5. Fig 2: Positioning Fluid Pan With Gasket
    G04584260Courtesy of FORD MOTOR CO.
    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.
  5. Mark the rear driveshaft yoke and the axle pinion flange and remove the 4 bolts.
    6. Fig 3: Identifying Driveshaft Bolts
    G04016647Courtesy of FORD MOTOR CO.
  6. Index-mark the driveshaft and extension housing. Separate the driveshaft from the transmission.
    7. Fig 4: Marking Driveshaft, Extension Housing And Output Shaft
    GF0003504Courtesy of FORD MOTOR CO.
  7. Remove the torque converter access cover plug at the left rear engine block.
    8. Fig 5: Locating Rubber Access Plug
    GF0003547Courtesy of FORD MOTOR CO.
  8. Remove the transmission inspection cover.
    1. Inspection cover
    2. Remove the 2 bolts.
    3. Remove the bolt for the separator plate.
    9. Fig 6: Transmission Inspection Cover & Bolts
    GF0014098Courtesy of FORD MOTOR CO.
    NOTE: Make an identifying mark on the torque converter stud and the flexplate for correct alignment during assembly.
  9. Remove and discard the 4 torque converter-to-flexplate nuts.
    10. Fig 7: Torque Converter-To-Flexplate Nut
    GF0003548Courtesy of FORD MOTOR CO.
  10. Disconnect the RH Heated Oxygen Sensor (HO2S) connector.
    11. Fig 8: RH Heated Oxygen Sensor (HO2S) Sensor Connector
    GF0014047Courtesy of FORD MOTOR CO.
  11. Disconnect the RH catalyst monitor connector.
    12. Fig 9: RH Catalyst Monitor Connector
    G04016678Courtesy of FORD MOTOR CO.
  12. Remove the nuts from the RH exhaust flange.
    13. Fig 10: RH Exhaust Flange Bolts
    GF0014048Courtesy of FORD MOTOR CO.
  13. Remove the RH catalytic converter-to-exhaust bolts.
    14. Fig 11: RH Catalytic Converter Bolts
    GF0014049Courtesy of FORD MOTOR CO.
  14. Disconnect the LH HO2S connector.
    15. Fig 12: Identifying LH HO2S Connector
    G04584303Courtesy of FORD MOTOR CO.
  15. Disconnect the LH catalyst monitor connector.
    16. Fig 13: LH Catalyst Monitor Connector
    G04584304Courtesy of FORD MOTOR CO.
  16. Remove the nuts from the LH exhaust flange.
    17. Fig 14: LH Exhaust Flange Bolts
    GF0014050Courtesy of FORD MOTOR CO.
  17. Remove the LH catalytic converter-to-exhaust bolts.
    18. Fig 15: LH Catalytic Converter Bolts
    GF0014051Courtesy of FORD MOTOR CO.
    NOTE: Make a reference mark on the selector lever cable to the transmission.
  18. Disconnect the selector lever cable.
    19. Fig 16: Selector Lever Cable At Transmission
    GF0014071Courtesy of FORD MOTOR CO.
  19. Remove the selector lever cable bracket and position aside.
    20. Fig 17: Selector Lever Cable Bracket At Transmission
    GF0014087Courtesy of FORD MOTOR CO.
  20. Remove the ground wire.
    21. Fig 18: Ground Wire
    GF0014088Courtesy of FORD MOTOR CO.
  21. Remove the starter electrical connector cap.
    22. Fig 19: Starter Electrical Connector Cap
    GF0014089Courtesy of FORD MOTOR CO.
  22. Disconnect the electrical connectors.
    23. Fig 20: Starter Electrical Connectors
    GF0014090Courtesy of FORD MOTOR CO.
  23. Remove the 3 starter bolts and the starter.
    24. Fig 21: Starter Bolts
    GF0014091Courtesy of FORD MOTOR CO.
    NOTE: The case connectors must be held in place to prevent them from moving.
  24. Disconnect the transmission fluid cooler tubes.
    25. Fig 22: Locating Fluid Cooler Tube(s)
    GF0003752Courtesy of FORD MOTOR CO.
  25. Remove the transmission fluid cooler line bracket and position aside.
    26. Fig 23: Cooler Line Bracket
    GF0014092Courtesy of FORD MOTOR CO.
  26. Position a suitable jack under the transmission. Secure the transmission to the jack with safety straps.
  27. Remove the transmission insulator nuts.
    28. Fig 24: Rear Transmission Insulator Nuts
    GF0013674Courtesy of FORD MOTOR CO.
  28. Remove the RH side crossmember bolts.
    29. Fig 25: RH Side Crossmember Bolts
    GF0014052Courtesy of FORD MOTOR CO.
  29. Remove the LH side crossmember bolt.
    30. Fig 26: LH Side Crossmember Bolts
    GF0014079Courtesy of FORD MOTOR CO.
  30. Remove the bolts and remove the park cable bracket and position aside.
    31. Fig 27: Parking Brake Cable Bracket Bolts
    GF0014054Courtesy of FORD MOTOR CO.
    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.
  31. Lower the RH side of the crossmember.
    32. Fig 28: RH Side Crossmember
    GF0014055Courtesy of FORD MOTOR CO.
    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.
  32. Lower the LH side of the crossmember and remove the crossmember.
    33. Fig 29: LH Side Crossmember
    GF0014080Courtesy of FORD MOTOR CO.
  33. Remove the transmission insulator.
    34. Fig 30: Rear Transmission Insulator Bolts
    GF0013675Courtesy of FORD MOTOR CO.
    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.
  34. Disconnect the wire harness connectors and remove them from the transmission fluid filler tube.
    35. Fig 31: Wire Harness Connectors
    GF0014093Courtesy of FORD MOTOR CO.
  35. Remove the bolt.
    36. Fig 32: Transmission Filler Tube Bolt
    GF0014042Courtesy of FORD MOTOR CO.
  36. Position the transmission fluid filler tube aside.
    37. Fig 33: Transmission Filler Tube
    GF0014043Courtesy of FORD MOTOR CO.
  37. Remove the transmission retaining bolts.
    38. Fig 34: Transmission Retaining Bolts
    GF0014094Courtesy of FORD MOTOR CO.
  38. Separate the transmission from the engine and lower. Partially lower the transmission from under the vehicle.
  39. Disconnect the electrical connectors.
    1. Remove the catalyst monitor connector retainer from the stud.
    2. Disconnect the transmission vehicle harness connector.
    40. Fig 35: Catalyst Monitor Connector Retainer & Transmission Solenoid Body Electrical Connector
    GF0014095Courtesy of FORD MOTOR CO.
  40. Disconnect the electrical connectors and remove the wire harness from the transmission.
    1. Disconnect the Transmission Range (TR) sensor electrical connector.
    2. Disconnect the Output Shaft Speed (OSS) sensor electrical connector.
    3. Disconnect the Turbine Shaft Speed (TSS) sensor electrical connector.
    4. Remove the catalyst monitor connector retainer from the stud.
    5. Disconnect the wire harness retainers and remove the harness.
    41. Fig 36: Identifying Transmission Electrical Connectors
    G03882612Courtesy of FORD MOTOR CO.
    WARNING: Secure the torque converter in the transmission during removal or installation. The torque converter is heavy and may result in injury if it falls out of the transmission. Failure to follow this instruction may result in serious personal injury.
  41. Leaving the transmission in a horizontal position, slide it back far enough to install the Torque Converter Retainer. Install the Torque Converter Retainer.
    42. Fig 37: Holding Converter In Housing Using Special Tool (307-346)
    G03964338Courtesy of FORD MOTOR CO.
    NOTE: Make sure the Torque Converter Retainer is in place and the transmission is securely fastened to the transmission jack before tilting the transmission.
  42. Lower the transmission from under the vehicle.
  43. Carry out the Transmission Fluid Cooler Tubes 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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