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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (AUTOMATIC TRANSMISSION - 6-SPEED AUTOMATIC TRANSMISSION - 6F50/6F55 (EXCEPT HYBRID) (2 Of 2)) >> General Procedures >> Transmission Case Reseal

Transmission Case Reseal

WARNING: This page is about a different variant/trim than selected.

For more information on Ford Color Coded Illustrations REFER to OEM COLOR CODING .

Special Tool(s) / General Equipment 

GFD261487Courtesy of FORD MOTOR COMPANY
100-001 (T50T-100-A)Slide Hammer
GFD261488Courtesy of FORD MOTOR COMPANY
205-153 (T80T-4000-W)Handle
GFD261489Courtesy of FORD MOTOR COMPANY
303-D020 (D80L-100-R)Collet, 7/8 to 1
GFD260245Courtesy of FORD MOTOR COMPANY
307-346 (T97T-7902-A)Retainer, Torque ConverterTKIT-1998-LM (NavigatoR)TKIT-1997-F/FLM/LT
GFD261490Courtesy of FORD MOTOR COMPANY
307-575Converter Seal InstallerTKIT-2006UF-FLMTKIT-2006UF-ROW
GFD261491Courtesy of FORD MOTOR COMPANY
307-580Holding FixtureTKIT-2006UF-FLMTKIT-2006UF-ROW
GFD261492Courtesy of FORD MOTOR COMPANY
307-582ACover Axle Seal InstallerTKIT-2008AS-FLM
GFD261493Courtesy of FORD MOTOR COMPANY
307-585Support seal installerTKIT-2006UF-FLMTKIT-2006UF-ROW
Puller
Wooden Block

Materials 

Name Specification
Motorcraft® Ultra Silicone SealantTA-29 -
Motorcraft® MERCON® LV Automatic Transmission FluidXT-10-QLVC MERCON® LVWSS-M2C938-A

Repair 

  1. Remove the transmission. REFER to: Transmission .
  2. For information on component views and base part numbers. REFER to: Transmission Description .
  3. Using the special tool, install the transmission onto the bench.Use Special Service Tool: 307-580 Holding Fixture.
    GFD261494Courtesy of FORD MOTOR COMPANY
  4. Remove the special tool.Use Special Service Tool: 307-346 (T97T-7902-A) Retainer, Torque Converter.
    GFD261495Courtesy of FORD MOTOR COMPANY
  5. NOTE: The torque converter is heavy. Be careful not to drop it or damage will result.
    NOTE: Only thread the bolts 6 to 8 turns or do not exceed 12 mm (0.472 in) into the torque converter. If the bolts are threaded too far, damage to the torque converter clutch surface can occur causing torque converter failure.

    Install two 10 mm x 1.50 bolts into the torque converter 6 to 8 turns to assist in handling the torque converter and remove the torque converter.

    GFD261496Courtesy of FORD MOTOR COMPANY
  6. Remove and discard the halfshaft seal from the transmission case.
    GFD261497Courtesy of FORD MOTOR COMPANY
  7. NOTE: FWD vehicles

    Remove and discard the halfshaft seal from the torque converter housing.

    GFD261498Courtesy of FORD MOTOR COMPANY
  8. Remove and discard the torque converter hub seal from the torque converter housing.Use the General Equipment: Puller
    GFD261499Courtesy of FORD MOTOR COMPANY
  9. NOTE: Note the location of the studbolts for assembly.

    Remove the studbolts, bolts and the main control cover.

    GFD261500Courtesy of FORD MOTOR COMPANY
  10. Disconnect the TSS sensor electrical connector.
    GFD261501Courtesy of FORD MOTOR COMPANY
  11. Remove the cover assembly bolts.
    GFD261502Courtesy of FORD MOTOR COMPANY
  12. Remove the cover assembly and carefully route the TSS sensor wiring harness and electrical connector out of the transmission case.
    GFD261503Courtesy of FORD MOTOR COMPANY
  13. Remove the cover assembly gasket.
    GFD261504Courtesy of FORD MOTOR COMPANY
  14. Remove the No. 1 cover assembly thrust bearing.
    GFD261505Courtesy of FORD MOTOR COMPANY
  15. Remove the overdrive/direct clutch hub and turbine shaft assembly.
    GFD261506Courtesy of FORD MOTOR COMPANY
  16. Remove No. 3 rear sun gear thrust bearing.
    GFD261507Courtesy of FORD MOTOR COMPANY
  17. Remove the intermediate clutch shell and sun gear assembly.
    GFD261508Courtesy of FORD MOTOR COMPANY
  18. Remove the intermediate clutch assembly.
    GFD261509Courtesy of FORD MOTOR COMPANY
  19. NOTE: The location of the tab on the bottom pressure plate is aligned with the gap for the low One-Way Clutch (OWC) snap ring.

    Remove the low/reverse clutch assembly.

    GFD261510Courtesy of FORD MOTOR COMPANY
  20. Remove the rear planetary carrier and center ring gear assembly.
    GFD261511Courtesy of FORD MOTOR COMPANY
  21. Remove the No. 6 center sun gear and the No. 5 center/rear planetary thrust bearings.
    GFD261512Courtesy of FORD MOTOR COMPANY
  22. Remove the center planetary sun gear.
    GFD261513Courtesy of FORD MOTOR COMPANY
  23. Remove the center planetary carrier and front ring gear assembly.
    GFD261514Courtesy of FORD MOTOR COMPANY
  24. Remove the No. 7 center sun gear and the No. 8 front/center planetary gear assembly thrust bearings.
    GFD261515Courtesy of FORD MOTOR COMPANY
  25. Remove the front planetary carrier and rear ring gear assembly.
    GFD261516Courtesy of FORD MOTOR COMPANY
  26. Remove the front planetary sun gear and shell assembly.
    GFD261517Courtesy of FORD MOTOR COMPANY
  27. Remove the No. 10 front sun gear thrust bearing.
    GFD261518Courtesy of FORD MOTOR COMPANY
  28. Remove the front planetary carrier hub assembly.
    GFD261519Courtesy of FORD MOTOR COMPANY
  29. Remove the No. 11 support assembly thrust bearing.
    GFD261520Courtesy of FORD MOTOR COMPANY
  30. Remove the 19 torque converter housing bolts.
    GFD261521Courtesy of FORD MOTOR COMPANY
  31. NOTE: Carefully pry on the transmission torque converter housing and the case to separate the torque converter housing from the case. Do not pry up on the silicone sealant mating surfaces, damage to the mating surfaces may occur. Carefully lift the torque converter housing off the dowel pins.

    Carefully pry the torque converter housing off the transmission case just enough to break the seal of the silicone and remove the torque converter housing from the transmission case.

    GFD261522Courtesy of FORD MOTOR COMPANY
  32. Remove and discard the pump-to-case seal.
    GFD261523Courtesy of FORD MOTOR COMPANY
  33. Remove and discard the stator support assembly seal.
    GFD261524Courtesy of FORD MOTOR COMPANY
  34. Remove and discard the input shaft seal.Use Special Service Tool: 100-001 (T50T-100-A) Slide Hammer., 303-D020 (D80L-100-R) Collet, 7/8 to 1.
    GFD261525Courtesy of FORD MOTOR COMPANY
  35. Install a new input shaft seal on the special tool.Use Special Service Tool: 307-585 Support seal installer.
    GFD261526Courtesy of FORD MOTOR COMPANY
  36. Using the special tool, install the input shaft seal.Use Special Service Tool: 307-585 Support seal installer.
    GFD261527Courtesy of FORD MOTOR COMPANY
  37. Install a new stator support assembly seal.
    GFD261528Courtesy of FORD MOTOR COMPANY
  38. Install a new pump-to-case seal.
    GFD261529Courtesy of FORD MOTOR COMPANY
  39. NOTE: Do not use metal scrapers, wire brushes, power abrasive discs, or other abrasive means to clean sealing surfaces. These tools cause scratches and gouges which make leak paths.

    Make sure that the mating faces are clean and free of foreign material. REFER to: RTV Sealing Surface Cleaning and Preparation .

    GFD261530Courtesy of FORD MOTOR COMPANY
  40. NOTE: Make sure the sealing surface of both the transmission case and the torque converter housing are clean, dry and free of oil or the silicone will not seal the transmission case.

    Apply a bead of silicone sealant to the machined surface of the transmission case.

    Material: Motorcraft® Ultra Silicone Sealant / TA-29

    GFD261531Courtesy of FORD MOTOR COMPANY
  41. NOTE: Install the 2 studbolts in the correct location as noted during disassembly.
    NOTE: Hand tighten the bolts only.

    Install the torque converter housing on top of the transmission case and install the bolts.

    GFD261521Courtesy of FORD MOTOR COMPANY
  42. NOTE: The studbolts are 1 and 16 in the tightening sequence.

    Tighten the bolts in the sequence shown.

    Torque: 24 lb.ft (32 Nm)

    GFD261532Courtesy of FORD MOTOR COMPANY
  43. Install the No. 11 stator support thrust bearing.
    GFD261520Courtesy of FORD MOTOR COMPANY
  44. Install the front planetary carrier hub.
    GFD261519Courtesy of FORD MOTOR COMPANY
  45. Install the No. 10 front sun gear thrust bearing.
    GFD261518Courtesy of FORD MOTOR COMPANY
  46. Install the front sun gear and shell assembly.
    GFD261517Courtesy of FORD MOTOR COMPANY
  47. Install the front carrier and rear ring gear assembly.
    GFD261516Courtesy of FORD MOTOR COMPANY
  48. Install the No. 8 front/center planetary gear assembly and the No. 7 center sun gear thrust bearings.
    GFD261515Courtesy of FORD MOTOR COMPANY
  49. Install the center planetary carrier and front ring gear assembly.
    GFD261514Courtesy of FORD MOTOR COMPANY
  50. NOTE: The groove on the center sun gear is installed facing up.

    Install the center planetary sun gear.

    GFD261513Courtesy of FORD MOTOR COMPANY
  51. Install the No. 6 center sun gear and the No. 5 center/rear planetary thrust bearings.
    GFD261512Courtesy of FORD MOTOR COMPANY
  52. Install the rear planetary gear carrier assembly.
    GFD261511Courtesy of FORD MOTOR COMPANY
  53. NOTE: Failure to align the tab on the bottom of the low/reverse pressure plate with the gap in the low One-Way Clutch (OWC) snap ring may result in damage to the transmission.

    Install the low/reverse clutch pressure plate.

    1. Make sure the tab on the bottom of the pressure plate fits in the gap of the low One-Way Clutch (OWC) snap ring.
    2. Install the low/reverse clutch pressure plate.

    GFD261533Courtesy of FORD MOTOR COMPANY
  54. Measure the depth of the low/reverse clutch pressure plate where the tab fits into the gap of the low One-Way Clutch (OWC) snap ring and directly across from it. If the pressure plate is seated correctly, the depth should be the same. If the depths are different, rotate the snap ring so that the gap fits around the tab on the pressure plate.
    GFD261534Courtesy of FORD MOTOR COMPANY
  55. Soak the clutch plates.

    Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (MERCON® LV) (WSS-M2C938-A)

    GFD261535Courtesy of FORD MOTOR COMPANY
  56. Install the low/reverse clutch.
    GFD261536Courtesy of FORD MOTOR COMPANY
  57. NOTE: When the low/reverse clutch is correctly installed, the wave spring is on top.

    Install the low/reverse clutch wave spring and pressure plate.

    1. Wave spring
    2. Pressure plate

    GFD261537Courtesy of FORD MOTOR COMPANY
  58. Install the intermediate clutch pressure plate.
    GFD261538Courtesy of FORD MOTOR COMPANY
  59. Soak the clutch plates.

    Material: Motorcraft® MERCON® LV Automatic Transmission Fluid / XT-10-QLVC (MERCON® LV) (WSS-M2C938-A)

    GFD261539Courtesy of FORD MOTOR COMPANY
  60. Install the intermediate clutch pack assembly.
    GFD261509Courtesy of FORD MOTOR COMPANY
  61. Install the intermediate clutch pack wave spring.
    GFD261540Courtesy of FORD MOTOR COMPANY
  62. Install the rear sun gear and shell assembly.
    GFD261508Courtesy of FORD MOTOR COMPANY
  63. Install the No. 3 rear sun gear thrust bearing.
    GFD261507Courtesy of FORD MOTOR COMPANY
  64. Install the overdrive/direct clutch hub and turbine shaft assembly.
    GFD261506Courtesy of FORD MOTOR COMPANY
  65. Install the No. 1 cover assembly thrust bearing.
    GFD261505Courtesy of FORD MOTOR COMPANY
  66. Install the cover assembly gasket.
    GFD261504Courtesy of FORD MOTOR COMPANY
  67. Route the TSS sensor harness through the transmission case to the valve body area and install the cover assembly.
    GFD261503Courtesy of FORD MOTOR COMPANY
  68. Install the cover assembly bolts and tighten the bolts in the sequence shown.

    Torque: 106 lb.in (12 Nm)

    GFD261541Courtesy of FORD MOTOR COMPANY
  69. Connect the TSS sensor electrical connectors.
    GFD261501Courtesy of FORD MOTOR COMPANY
  70. Inspect the transmission main control cover seal for damage and install new if necessary.
    GFD261542Courtesy of FORD MOTOR COMPANY
  71. NOTE: Install the studbolts in the correct locations as noted during disassembly.

    Install the transmission main control cover and install the studbolts and the bolts.

    GFD261500Courtesy of FORD MOTOR COMPANY
  72. Tighten the main control cover studbolts and the bolts in the sequence shown.

    Torque: 106 lb.in (12 Nm)

    GFD261543Courtesy of FORD MOTOR COMPANY
  73. Install a new torque converter hub seal on the special tool.Use Special Service Tool: 307-575 Converter Seal Installer.
    GFD261544Courtesy of FORD MOTOR COMPANY
  74. NOTE: Support the torque converter housing using blocks of wood, or damage to the torque converter housing may occur.

    Using the special tool, install the torque converter hub seal in the torque converter housing.Use Special Service Tool: 307-575 Converter Seal Installer.Use the General Equipment: Wooden Block

    GFD261545Courtesy of FORD MOTOR COMPANY
  75. NOTE: FWD vehicles

    Install a new RH halfshaft seal on the special tool.Use Special Service Tool: 205-153 (T80T-4000-W) Handle., 307-582A Cover Axle Seal Installer.

    GFD261546Courtesy of FORD MOTOR COMPANY
  76. NOTE: Support the torque converter housing using blocks of wood, or damage to the torque converter housing may occur.

    Using the special tool, install the RH halfshaft seal in the torque converter housing.Use Special Service Tool: 205-153 (T80T-4000-W) Handle., 307-582A Cover Axle Seal Installer.Use the General Equipment: Wooden Block

    GFD261547Courtesy of FORD MOTOR COMPANY
  77. Install a new halfshaft seal on special tool.Use Special Service Tool: 205-153 (T80T-4000-W) Handle., 307-582A Cover Axle Seal Installer.
    GFD261548Courtesy of FORD MOTOR COMPANY
  78. Using the special tool, install the halfshaft seal in the transmission case.Use Special Service Tool: 205-153 (T80T-4000-W) Handle., 307-582A Cover Axle Seal Installer.
    GFD261549Courtesy of FORD MOTOR COMPANY
  79. NOTE: Only thread the bolts 6 to 8 turns or do not exceed 12 mm (0.472 in) in the torque converter. If the bolts are threaded too far, damage to the torque converter clutch surface can occur, causing torque converter failure.

    Install two 10 mm x 1.50 bolts into the torque converter 6 to 8 turns to assist in handling the torque converter and install the torque converter in the transmission.

    GFD261496Courtesy of FORD MOTOR COMPANY
  80. Install the special tool.Use Special Service Tool: 307-346 (T97T-7902-A) Retainer, Torque Converter.
    GFD261495Courtesy of FORD MOTOR COMPANY
  81. Install the transmission. REFER to: Transmission .