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Home >> Fiat >> 2017 >> 124 Spider Classica, Automatic Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Aw6R31 Automatic Transmission (Service Information) >> Disassembly And Assembly
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Disassembly And Assembly

CAUTION:

Tag all snap rings, thrust washers, shims, spacers and thrust bearings, etc. during disassembly for quick identification and assembly. Failure to follow these instructions will cause damage and transmission failure.

DISASSEMBLY 

  1. Remove the transmission from the vehicle. Refer to REMOVAL AND INSTALLATION .
    GC0178397Courtesy of CHRYSLER GROUP, LLC
  2. Remove the drain plug and gasket (1) and drain the transmission fluid.
    GC0178601Courtesy of CHRYSLER GROUP, LLC
  3. Remove the torque converter (1).
    GC0178703Courtesy of CHRYSLER GROUP, LLC
  4. Remove the breather pipe bracket bolt (1), the breather pip bracket (2) and the breather pipe assembly (3).
    GC0178592Courtesy of CHRYSLER GROUP, LLC
  5. Remove the transmission cooler tube bracket bolts (1).
    GC0178480Courtesy of CHRYSLER GROUP, LLC
  6. Remove the cooler tube retaining bolts (1).
    GC0178534Courtesy of CHRYSLER GROUP, LLC
  7. Remove the Output Speed Sensor (OSS) bolt (1) and the OSS (2).
    GC0178485Courtesy of CHRYSLER GROUP, LLC
  8. Remove the Input Speed Sensor (ISS) bolt (1) and the ISS (2).
    GC0178394Courtesy of CHRYSLER GROUP, LLC
  9. Lift up the lock washer (1) using a suitable screwdriver.
  10. Remove the nut (2) and lock washer (1).
  11. Remove the Transmission Range (TR) switch bolt (3).
  12. Remove the TR switch (4).
    GC0178574Courtesy of CHRYSLER GROUP, LLC
  13. Remove the eight torque converter housing bolts (1) as shown in the figure.
    GC0178620Courtesy of CHRYSLER GROUP, LLC
  14. Remove the seven extension housing bolts (1) as shown in the figure.
  15. Using a plastic hammer, tap the extension housing to remove the extension housing.
    GC0178542Courtesy of CHRYSLER GROUP, LLC
  16. Remove the snap ring (1) using snap ring pliers and remove the bearing (2).
    GC0178419Courtesy of CHRYSLER GROUP, LLC
  17. Remove the transmission oil pan bolts (1) and remove the transmission oil pan and gasket.
    GC0178689Courtesy of CHRYSLER GROUP, LLC
  18. Remove the three magnets (1) from the transmission oil pan.
    NOTE:

    Inspect the transmission oil pan for foreign material and determine the worn areas of the transmission. For ferrous metal related areas, check for wear of the bearings, gears, and plates. For brass related metal (non-magnetized), check for bushing wear.

    GC0178708Courtesy of CHRYSLER GROUP, LLC
  19. Remove the four transmission oil filter bolts (1) and the transmission oil filter (2).
    GC0178648Courtesy of CHRYSLER GROUP, LLC
  20. Remove the O-ring (1) from the transmission oil filter.
    GC0178709Courtesy of CHRYSLER GROUP, LLC
  21. Disconnect the solenoid wire harness connectors (1) from the solenoids.
    GC0178667Courtesy of CHRYSLER GROUP, LLC
  22. Remove the transmission temperature lock plate bolt (1), the lock plate (2) and the transmission temperature sensor (3).
    GC0178714Courtesy of CHRYSLER GROUP, LLC
  23. Remove the detent spring bolt (1) and the detent spring (2).
    GC0178589Courtesy of CHRYSLER GROUP, LLC
  24. Remove the 19 valve body bolts (1).
    NOTE:

    Take note of the length and location of each bolt for installation.

    GC0178448Courtesy of CHRYSLER GROUP, LLC
  25. Disconnect the manual valve link (1) and remove the valve body.
    GC0178523Courtesy of CHRYSLER GROUP, LLC
  26. Remove the check valve and compression spring (1).
    GC0178668Courtesy of CHRYSLER GROUP, LLC
  27. Remove the three transmission case gaskets and three brake drum gaskets (1).
    GC0178543Courtesy of CHRYSLER GROUP, LLC
  28. If needed, lightly blow compressed air into the oil passage and remove the accumulator pistons and springs (1).
    NOTE:

    Take note of each spring color and location.

    GC0178516Courtesy of CHRYSLER GROUP, LLC
  29. Remove the park rod bracket bolts (1) and the bracket (2).
    GC0178582Courtesy of CHRYSLER GROUP, LLC
  30. Remove the parking rod (1) from the manual valve lever.
    GC0178439Courtesy of CHRYSLER GROUP, LLC
  31. Remove the park pawl shaft (2), the park pawl spring (1) and the park pawl (3).
    GC0178455Courtesy of CHRYSLER GROUP, LLC
  32. Align the sleeve hole (1) with the pin.
    GC0178414Courtesy of CHRYSLER GROUP, LLC
  33. Using a hammer and pin punch, remove the pin (1).
    GC0178403Courtesy of CHRYSLER GROUP, LLC
  34. Pull out the manual shaft (1).
    GC0178570Courtesy of CHRYSLER GROUP, LLC
  35. Using a flat head screwdriver, remove the manual shaft oil seal (1).
    GC0178469Courtesy of CHRYSLER GROUP, LLC
  36. Remove the bolts (1) from the transmission oil pump and remove the transmission oil pump.
    GC0178663Courtesy of CHRYSLER GROUP, LLC
  37. Remove the O-ring (1) from the transmission oil pump.
    GC0178400Courtesy of CHRYSLER GROUP, LLC
  38. Remove the thrust needle bearing and bearing race (1) from the transmission oil pump.
    GC0178683Courtesy of CHRYSLER GROUP, LLC
  39. Remove the clutch drum assembly (1).
    GC0178577Courtesy of CHRYSLER GROUP, LLC
  40. Remove the thrust needle bearing and bearing race (1) from the clutch drum.
    GC0178594Courtesy of CHRYSLER GROUP, LLC
  41. Remove the thrust washers (1, 2) and F2 one-way clutch (3) from the clutch drum.
    GC0178502Courtesy of CHRYSLER GROUP, LLC
  42. Remove the snap ring (1).
    GC0178540Courtesy of CHRYSLER GROUP, LLC
  43. Remove the retaining plates, drive and driven plates (1).
  44. Inspect the lining of all drive plates. If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away, replace with a new drive plate. When replacing, inspect the contact surfaces between the retaining plate, driven plate and drive plate. If they are scratched or have changed color, replace with new parts.
    GC0178522Courtesy of CHRYSLER GROUP, LLC
  45. Remove the F1 one-way clutch (3).
  46. Remove the snap ring (1) and the B2 brake piston (2).
    GC0178623Courtesy of CHRYSLER GROUP, LLC
  47. Remove the thrust washer (1) and the bearing race (2).
    GC0178390Courtesy of CHRYSLER GROUP, LLC
  48. Remove the front planetary gear (1).
    GC0178511Courtesy of CHRYSLER GROUP, LLC
  49. Remove the thrust washer (1).
    GC0178615Courtesy of CHRYSLER GROUP, LLC
  50. Remove the front and middle ring gear (1).
    GC0178524Courtesy of CHRYSLER GROUP, LLC
  51. Remove the bearing race and thrust needle bearing (1) from front and middle ring gear.
    GC0178693Courtesy of CHRYSLER GROUP, LLC
  52. Remove the retaining plates, drive and driven plates (1).
  53. Inspect the lining of all drive plates. If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away, replace with a new drive plate. When replacing, inspect the contact surfaces between the retaining plate, driven plate and drive plate. If they are scratched or have changed color, replace with new parts.
    GC0178447Courtesy of CHRYSLER GROUP, LLC
  54. Remove the bearing race and thrust needle bearing (1) from middle planetary gear.
    GC0178413Courtesy of CHRYSLER GROUP, LLC
  55. Remove the middle planetary gear (1) and sun gear (2).
    GC0178656Courtesy of CHRYSLER GROUP, LLC
  56. Remove the snap ring (1).
  57. Remove the piston return spring (2) and B1 brake piston (3).
    GC0178658Courtesy of CHRYSLER GROUP, LLC
  58. Using tools (special tool #9725, Compressor, Spring) (1), (special tool #8244, Puller, Extension Housing) (3, 4) and (special tool #6055, Thrust Button) (2), compress the B2 brake piston spring.
    GC0178491Courtesy of CHRYSLER GROUP, LLC
  59. NOTE:

    Tools not shown installed for clarity.

  60. Remove the B2 brake piston snap ring (1).
    GC0178454Courtesy of CHRYSLER GROUP, LLC
  61. Remove the driven plate, the retaining plates, drive and driven plates and the piston return spring (1).
  62. Inspect the lining of all drive plates, If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away, replace with a new drive plate. When replacing, inspect the contact surfaces between the retaining plate, driven plate and drive plate. If they are scratched or have changed color, replace with new parts.
    GC0178565Courtesy of CHRYSLER GROUP, LLC
  63. Remove the B2 brake piston (1).
    GC0178578Courtesy of CHRYSLER GROUP, LLC
  64. Remove the stopper spring (1).
    GC0178442Courtesy of CHRYSLER GROUP, LLC
  65. Using snap ring pliers, remove the snap ring (1).
    GC0178657Courtesy of CHRYSLER GROUP, LLC
  66. Remove the intermediate shaft assembly and disassemble in the order indicated below:
    1 Inner race
    2 F3 one-way clutch
    3 Rear ring gear
    4 Bearing race
    5 Needle bearing
    6 Bearing race
    7 Intermediate shaft
    GC0178411Courtesy of CHRYSLER GROUP, LLC
  67. Remove the retaining plates, drive and driven plates (1).
  68. Inspect the lining of all drive plates. If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away, replace it with a new drive plate. When replacing, inspect the contact surfaces between the retaining plate, driven plate and drive plate. If they are scratched or have changed color, replace with new parts.
    GC0178568Courtesy of CHRYSLER GROUP, LLC
  69. Remove the rear planetary gear and bearing race and thrust needle bearing (1).
    GC0178625Courtesy of CHRYSLER GROUP, LLC
  70. Remove the brake tube (1).
    GC0178555Courtesy of CHRYSLER GROUP, LLC
  71. Compress the piston return spring using the special tools (special tool #5059-A, 5059B Compressor, Spring) (2), (special tool #2022000210, Press Ring, Clutch Spring) (1) , (special tool #6310-2, Disc) , (special tool #6310-7, Nut) and (special tool #6310, 6310-4 Remover, Bearing/Seal).
    GC0178478Courtesy of CHRYSLER GROUP, LLC
  72. Remove the snap ring (1).
    GC0178660Courtesy of CHRYSLER GROUP, LLC
  73. Remove the piston return spring (1).
    GC0178449Courtesy of CHRYSLER GROUP, LLC
  74. Blow compressed air into the oil passage (1) shown in the figure while pressing the B4 brake piston by hand.
    GC0178509Courtesy of CHRYSLER GROUP, LLC
  75. Remove the B4 brake piston (1).
    GC0178460Courtesy of CHRYSLER GROUP, LLC
  76. Remove the inner brake piston (2) and sleeve (3) from the B4 brake piston (1).
    GC0178519Courtesy of CHRYSLER GROUP, LLC
  77. Remove the O-rings (1) from the inner brake piston.
    GC0178530Courtesy of CHRYSLER GROUP, LLC
  78. Remove the O-rings (1) from the brake piston sleeve.
    GC0178470Courtesy of CHRYSLER GROUP, LLC
  79. Remove the O-ring (1) from the B4 brake piston.

ASSEMBLY 

GC0178470Courtesy of CHRYSLER GROUP, LLC
  1. Install a NEW  O-ring (1) on the B4 brake piston.
    GC0178519Courtesy of CHRYSLER GROUP, LLC
  2. Install NEW  O-rings (1) on the inner B4 brake piston.
    GC0178530Courtesy of CHRYSLER GROUP, LLC
  3. Install NEW  O-rings (1) on the B4 brake piston sleeve.
    GC0178460Courtesy of CHRYSLER GROUP, LLC
  4. Assemble the B4 brake piston assembly (1, 2, 3)
    GC0178509Courtesy of CHRYSLER GROUP, LLC
  5. Install the B4 brake piston (1).
    GC0178660Courtesy of CHRYSLER GROUP, LLC
  6. Install the B4 brake piston return spring (1).
    GC0178555Courtesy of CHRYSLER GROUP, LLC
  7. Compress the B4 brake piston return spring using special tools (special tool #5059-A, 5059B Compressor, Spring) (2), (special tool #2022000210, Press Ring, Clutch Spring) (1) , (special tool #6310-2, Disc) , (special tool #6310-7, Nut) and (special tool #6310, 6310-4 Remover, Bearing/Seal).
    GC0178478Courtesy of CHRYSLER GROUP, LLC
  8. Install the B4 brake piston return spring snap ring (1).
    GC0178625Courtesy of CHRYSLER GROUP, LLC
  9. Install the brake tube (1).
    GC0178568Courtesy of CHRYSLER GROUP, LLC
  10. Install the rear planetary (1), bearing race and thrust needle bearing.
    GC0178411Courtesy of CHRYSLER GROUP, LLC
  11. Install the retaining plates, drive and driven plates (1).
    GC0178657Courtesy of CHRYSLER GROUP, LLC
  12. Install the intermediate shaft assembly (1-7).
    NOTE:

    Make sure these components are installed:

    1 Inner race
    2 F3 one-way clutch
    3 Rear ring gear
    4 Bearing race
    5 Needle bearing
    6 Bearing race
    7 Intermediate shaft
    GC0178442Courtesy of CHRYSLER GROUP, LLC
  13. Install the intermediate shaft assembly snap ring (1).
    GC0178578Courtesy of CHRYSLER GROUP, LLC
  14. Install the stopper spring (1) in the transmission case.
    GC0178565Courtesy of CHRYSLER GROUP, LLC
  15. Install the B2 brake piston (1).
    GC0178454Courtesy of CHRYSLER GROUP, LLC
  16. Install the B2 brake piston return spring, retaining plates, drive and driven plates (1).
    GC0178658Courtesy of CHRYSLER GROUP, LLC
  17. Using tools (special tool #9725, Compressor, Spring) (1), (special tool #8244, Puller, Extension Housing) (3, 4) and (special tool #6055, Thrust Button) (2), compress the B2 brake piston spring.
    GC0178491Courtesy of CHRYSLER GROUP, LLC
  18. NOTE:

    Image shown without special tools for clarity.

  19. With the special service tools still installed, install the B2 brake piston snap ring (1).
    GC0178656Courtesy of CHRYSLER GROUP, LLC
  20. Install the B1 brake piston (3) and piston return spring (2).
    GC0178656Courtesy of CHRYSLER GROUP, LLC
  21. Install the B1 brake piston snap ring (1).
    GC0178413Courtesy of CHRYSLER GROUP, LLC
  22. Install the middle planetary gear (1) and the sun gear (1).
    GC0178447Courtesy of CHRYSLER GROUP, LLC
  23. Install the front planetary bearing race and thrust needle bearing (1).
    NOTE:

    Before replacing with new drive plates, soak them at least 2 hours in ATF.

    GC0178693Courtesy of CHRYSLER GROUP, LLC
  24. Install the B1 retaining plates, drive and driven plates (1).
    GC0178524Courtesy of CHRYSLER GROUP, LLC
  25. Install the front and middle ring gear bearing race and thrust needle bearing (1).
    GC0178615Courtesy of CHRYSLER GROUP, LLC
  26. Install the front and middle ring gear (1).
    GC0178511Courtesy of CHRYSLER GROUP, LLC
  27. Install the front planetary gear thrust washer (1).
    GC0178390Courtesy of CHRYSLER GROUP, LLC
  28. Install the front planetary gear (1).
    GC0178623Courtesy of CHRYSLER GROUP, LLC
  29. Install the F1 one-way clutch inner race sub-assembly (2) and thrust washer (1).
    GC0178522Courtesy of CHRYSLER GROUP, LLC
  30. Install the F1 one-way clutch (3).
  31. Install the B3 brake piston and cylinder assembly (2).
  32. Install the B3 brake piston and cylinder assembly snap ring (1).
    NOTE:

    Before replacing with new drive plates, soak them at least 2 hours in ATF.

    GC0178540Courtesy of CHRYSLER GROUP, LLC
  33. Install the B3 retaining plates, drive and driven plates (1).
    GC0178502Courtesy of CHRYSLER GROUP, LLC
  34. Install the snap ring (1).
    GC0178594Courtesy of CHRYSLER GROUP, LLC
  35. Install the thrust washer (2) and the F2 one-way clutch (3) on the clutch drum.
  36. Install the thrust needle bearing race (1) on the clutch drum.
    GC0178577Courtesy of CHRYSLER GROUP, LLC
  37. Install the thrust needle bearing (1).
    GC0178683Courtesy of CHRYSLER GROUP, LLC
  38. Install the clutch drum assembly (1).
    GC0178400Courtesy of CHRYSLER GROUP, LLC
  39. Install the thrust needle bearing and bearing race (1) on the transmission oil pump.
    GC0178663Courtesy of CHRYSLER GROUP, LLC
  40. Install a NEW  O-ring (1) on the transmission oil pump.
    GC0178677Courtesy of CHRYSLER GROUP, LLC
  41. Install the transmission oil pump (1).
    GC0178469Courtesy of CHRYSLER GROUP, LLC
  42. Install the transmission oil pump bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178570Courtesy of CHRYSLER GROUP, LLC
  43. Install the manual shaft seal (1).
    GC0178403Courtesy of CHRYSLER GROUP, LLC
  44. Install the manual shaft (1).
    GC0178414Courtesy of CHRYSLER GROUP, LLC
  45. Install the new manual shaft sleeve and retaining pin (1).
    GC0178455Courtesy of CHRYSLER GROUP, LLC
  46. Using a pin punch, dimple the manual shaft sleeve (1).
    GC0178439Courtesy of CHRYSLER GROUP, LLC
  47. Install the park pawl (3), park pawl spring (1) and park pawl shaft (2).
    GC0178582Courtesy of CHRYSLER GROUP, LLC
  48. Install the parking rod (1) to the manual valve lever.
    GC0178516Courtesy of CHRYSLER GROUP, LLC
  49. Install the parking pawl bracket (2), the parking pawl bracket bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178476Courtesy of CHRYSLER GROUP, LLC
  50. Install the NEW  O-rings (1) on accumulator piston C.
    GC0178420Courtesy of CHRYSLER GROUP, LLC
  51. Install the NEW  O-rings (1) on accumulator piston B.
    GC0178600Courtesy of CHRYSLER GROUP, LLC
  52. Install the NEW  O-rings (1) on accumulator piston A.
    GC0178543Courtesy of CHRYSLER GROUP, LLC
  53. Install the accumulator pistons (1) and compression springs.
    GC0178668Courtesy of CHRYSLER GROUP, LLC
  54. Install the transmission case gaskets and brake drum gaskets (1).
    GC0178523Courtesy of CHRYSLER GROUP, LLC
  55. Install the check valve and compression spring (1).
    GC0178448Courtesy of CHRYSLER GROUP, LLC
  56. Connect the manual valve link (1) to the valve body and position the valve body in place.
    GC0178589Courtesy of CHRYSLER GROUP, LLC
  57. Using the bolt location noted during removal, install the 19 valve body bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178714Courtesy of CHRYSLER GROUP, LLC
  58. Install the detent spring (2), detent spring cover and detent spring bolt (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178667Courtesy of CHRYSLER GROUP, LLC
  59. Install the transmission fluid temperature sensor (3), the transmission fluid temperature lock plate (2), the transmission fluid temperature lock plate bolt (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178709Courtesy of CHRYSLER GROUP, LLC
  60. Connect the solenoid wire harness connectors (1).
    GC0178648Courtesy of CHRYSLER GROUP, LLC
  61. Install a NEW  O-ring (1) on the transmission oil filter.
    GC0178708Courtesy of CHRYSLER GROUP, LLC
  62. Install the transmission oil filter (2), transmission oil filter bolts (2) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178689Courtesy of CHRYSLER GROUP, LLC
  63. Install the transmission oil pan magnets (1).
    GC0178419Courtesy of CHRYSLER GROUP, LLC
  64. Install the transmission oil pan gasket, transmission oil pan, transmission oil pan bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178542Courtesy of CHRYSLER GROUP, LLC
  65. Install the bearing race, thrust bearing, bearing race (2) and using snap ring pliers install the snap ring (1).
    GC0178499Courtesy of CHRYSLER GROUP, LLC
  66. Apply sealant to the extension housing machine surface (1) and spread evenly.
    GC0178620Courtesy of CHRYSLER GROUP, LLC
  67. Install the extension housing, the extension housing bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178574Courtesy of CHRYSLER GROUP, LLC
  68. Install the eight torque converter housing bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178394Courtesy of CHRYSLER GROUP, LLC
  69. Install the Transmission Range (TR) switch (4).
  70. Install the TR switch bolt (3) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
  71. Install the TR switch lock washer (1) and nut (2) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
  72. Using a suitable tool, push down the lock washer (1) tabs.
    GC0178534Courtesy of CHRYSLER GROUP, LLC
  73. Install the Output Speed Sensor (OSS) (2), the OSS bolt (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178485Courtesy of CHRYSLER GROUP, LLC
  74. Install the Input Speed Sensor (ISS) (2), the ISS bolt (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178703Courtesy of CHRYSLER GROUP, LLC
  75. Install the breather pipe (3), the breather pipe bracket (2), the breather pipe bracket bolt (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178480Courtesy of CHRYSLER GROUP, LLC
  76. Install the cooler tube retaining bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178592Courtesy of CHRYSLER GROUP, LLC
  77. Install the transmission cooler tube bracket bolts (1) and tighten to the proper specification. Refer to TORQUE SPECIFICATIONS  .
    GC0178601Courtesy of CHRYSLER GROUP, LLC
  78. Install the torque converter.
  79. Install the transmission in the vehicle. Refer to REMOVAL AND INSTALLATION .