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Home >> Jeep >> 2021 >> Compass Limited, 4WD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 948TE/9HP48 Automatic Transmission (Service Information) >> Disassembly And Assembly >> Disassembly
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Disassembly And Assembly: Disassembly

The 948TE automatic transmission can be overhauled if the vehicle is beyond it's warranty coverage. Verify that the vehicle is no longer covered by warranty, and that applicable parts for overhaul are available before beginning this procedure. A clean work area is necessary to assure a properly functioning transmission after the overhaul procedures are completed. Special tools have been developed and are required to disassemble this transmission. Acquire all of the special tools before starting this procedure.

WARNING:

Always wear safety glasses when cleaning, disassembling and assembling the transmission/transaxle. Contents of the transmission/transaxle can become projectiles (e.g., springs, snap-rings, as well as metal and other debris). Failure to wear safety glasses may result in severe personal injury.

CAUTION:

Tag all snap rings, thrust washers, 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.

  1. Remove the transmission bellhousing. Refer to BELLHOUSING, REMOVAL AND INSTALLATION .
    GC0159183Courtesy of CHRYSLER GROUP, LLC
  2. Remove the seal (1) from the port in the transmission housing.
    GC0160090Courtesy of CHRYSLER GROUP, LLC
  3. Separate the gasket (1) from the sealing surface of the transmission housing (2).
    GC0159469Courtesy of CHRYSLER GROUP, LLC
  4. Remove the differential assembly (1) from the transmission housing.
    GC0159419Courtesy of CHRYSLER GROUP, LLC
  5. Separate the E-clutch drum (1) from the E-clutch hub (2).
    GC0159172Courtesy of CHRYSLER GROUP, LLC
  6. Separate the thrust bearing (1) from the E-clutch assembly (2).
    GC0159422Courtesy of CHRYSLER GROUP, LLC
  7. Separate the E-clutch hub (1) from the output gear support (2).
    GC0159323Courtesy of CHRYSLER GROUP, LLC
  8. Separate the output gear support (1) from pinion gear carrier 4 (2).
    GC0173249Courtesy of CHRYSLER GROUP, LLC
  9. Remove the transfer gear (1) from the transmission housing.
    GC0173302Courtesy of CHRYSLER GROUP, LLC
  10. Separate the roller type thrust bearing (1) from the sun gear 3 and 4 and dog clutch-F (2).
    GC0173273Courtesy of CHRYSLER GROUP, LLC
  11. Separate the sun gear 3 and 4 and dog clutch-F (1) from pinion gear carrier 4.
    GC0173305Courtesy of CHRYSLER GROUP, LLC
  12. Separate the pinion gear carrier 4 (1) from the annulus gear 4.
    GC0173317Courtesy of CHRYSLER GROUP, LLC
  13. Separate the annulus gear 4 and pinion gear carrier 3 (1) from the annulus gear 3 (2).
    GC0159314Courtesy of CHRYSLER GROUP, LLC
  14. Compress and release the park pawl (2) return spring (3).
  15. Pull the reaction pin (1) from the park pawl (2).
  16. Separate the park pawl (2) from the park rod guide.
    GC0159210Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The park rod guide (1) can be removed without removing the park rod.

  17. Remove the park rod guide bolt (2) and the park rod guide (1).
    GC0159364Courtesy of CHRYSLER GROUP, LLC
  18. Using the (special tool #C-293-PA, Puller, Press) (1), (special tool #9738, Blocks, Adapter) (3) and a suitable socket as a plug (2), remove the transfer gear bearing cone from the transmission housing.
    GC0173263Courtesy of CHRYSLER GROUP, LLC
  19. Remove the transfer gear bearing preload shim (1).
    GC0173313Courtesy of CHRYSLER GROUP, LLC
  20. Separate the trust bearing (1) from the annulus gear 1 hub (2).
    GC0173306Courtesy of CHRYSLER GROUP, LLC
  21. Separate the annulus gear 1 hub (1) from the pinion gear 1 and carrier 2 (2).
    GC0160166Courtesy of CHRYSLER GROUP, LLC
  22. Separate the thrust bearing (1) from under the annulus gear 1 hub (2).
    GC0199715Courtesy of CHRYSLER GROUP, LLC
  23. Remove the snap-ring (1) retaining annulus gear 3.
    GC0173324Courtesy of CHRYSLER GROUP, LLC
  24. Remove annulus gear 3 (1) from the pinion gear 1 and 2 carrier.
    GC0173339Courtesy of CHRYSLER GROUP, LLC
  25. Remove the O-ring seal (1) from the pinion gear 1 and 2 carrier.
  26. Separate the pinion gear 1 and 2 carrier from annulus gear 2 and the D-clutch hub and input shaft assembly.
    GC0173294Courtesy of CHRYSLER GROUP, LLC
  27. Position the transmission housing on a suitable arbor press using wooden blocks for support.
  28. Using (special tool #8901A, Pressing Tool) (1) (with pressure scale removed) and (special tool #10428, Adapter, Pressing Tool), compress the D clutch piston retainer against its belleville spring, then remove the D-clutch piston retainer snap ring (2).
    GC0159759Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The O-ring seal on the D-clutch piston retainer will hang up in the snap-ring groove during removal and will need to be pried out of the transmission housing.

  29. Using a suitable pry-bar (1) vise-grip pliers (2) and a brass drift (3) coupled together, pry the D-clutch piston retainer (4) upward and out of the transmission housing.
    GC0159886Courtesy of CHRYSLER GROUP, LLC
  30. Remove the D-clutch piston (2) from the retainer (1).
    GC0159819Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Note the orientation of the seal lips for reassembly.

  31. Remove the inner (1) and outer (2) lip seals from the D-clutch piston.
    GC0173322Courtesy of CHRYSLER GROUP, LLC
  32. Remove the O-ring seal (2) from the D-clutch piston retainer (1).
    GC0159704Courtesy of CHRYSLER GROUP, LLC
  33. Separate the belleville spring (1) from the transmission housing.
    GC0159867Courtesy of CHRYSLER GROUP, LLC
  34. Separate the annulus gear 2, D and C-clutch hub and input shaft assembly with B clutch (1) from the transmission housing.
  35. Remove the annulus gear 2, D and C-clutch hub from the input shaft and B-clutch.
    GC0159707Courtesy of CHRYSLER GROUP, LLC
  36. Remove the seal-rings (1) from the lands (2) on the input shaft (3).
    GC0159592Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    dog clutch A is permanently attached to the input shaft and cannot be disassembled.

  37. Using suitable snap-ring pliers (3), remove the snap-ring (2) holding the input shaft to the B-clutch (1) hub.
  38. Separate the input shaft/dog clutch A from the B-clutch (1) hub.
    GC0173321Courtesy of CHRYSLER GROUP, LLC
  39. Using a suitable tool (2), gently pry the thrust washer (1) from the C-clutch hub (3).
    GC0159593Courtesy of CHRYSLER GROUP, LLC
  40. Place the annulus gear 2, D and C-clutch hub (1) on tool (special tool #9611, Plug, Differential End) (2) to hold the sun gear in position.
    GC0159807Courtesy of CHRYSLER GROUP, LLC
  41. Using a suitable snap-ring pliers (1), remove the snap-ring (2) holding the sun gear 1 to the annulus gear 2, D and C-clutch hub.
    GC0176901Courtesy of CHRYSLER GROUP, LLC
  42. Turn the annulus gear 2 (2), D and C-clutch hub (3) over and remove sun gear 1 (1).
    GC0159432Courtesy of CHRYSLER GROUP, LLC
  43. Separate the Annulus gear 2, D-clutch hub (1) from the C-clutch hub (2).
    GC0159946Courtesy of CHRYSLER GROUP, LLC
  44. Separate the thrust bearing (1) from the C-clutch hub (2).
    GC0159971Courtesy of CHRYSLER GROUP, LLC
  45. Remove the thrust bearing (1) from the input shaft rear support.
    GC0160163Courtesy of CHRYSLER GROUP, LLC
  46. Remove the input shaft rear support selective thrust washer (1).
    GC0159869Courtesy of CHRYSLER GROUP, LLC
  47. Separate the D-clutch friction discs and steel plates (1) from the transmission housing.
    GC0159838Courtesy of CHRYSLER GROUP, LLC
  48. Using two suitable screw drivers (2) and (3), lift the C-clutch snap-ring (1) and pry it inward with the screwdriver (3) and out of from the groove in the transmission housing.
    GC0159950Courtesy of CHRYSLER GROUP, LLC
  49. Separate the C-clutch friction discs and steel plates (1) from the transmission housing.
    GC0159557Courtesy of CHRYSLER GROUP, LLC
  50. Place tool (special tool #10504, Compressor, Spring) (1) over the C-clutch belleville spring at the bottom of the transmission housing.
    GC0159393Courtesy of CHRYSLER GROUP, LLC
  51. Place tool (special tool #8228, Installer, Bearing) (3) over the input shaft support (tool 8901 with 10428 legs can also be used), compress the belleville spring to gain access to the stepped snap-ring (1).
    GC0173344Courtesy of CHRYSLER GROUP, LLC
  52. Using a suitable screw driver, remove the snap-ring (1) holding the C-clutch belleville spring in the transmission housing.
    GC0159269Courtesy of CHRYSLER GROUP, LLC
  53. Separate the C-clutch belleville spring (1) from the C-clutch piston (2).
    GC0160164Courtesy of CHRYSLER GROUP, LLC
  54. Using suitable pliers (2), remove the C-clutch piston (1) from the transmission housing.
    GC0159878Courtesy of CHRYSLER GROUP, LLC
  55. If an overhaul is being performed, remove the inner (1) and outer (2) seals from the C-clutch piston (3).
    GC0159599Courtesy of CHRYSLER GROUP, LLC
  56. Using a suitable hook tool, remove the inner seal-ring (1) from the input shaft support.
    GC0160098Courtesy of CHRYSLER GROUP, LLC
  57. Using a suitable hook tool, remove the outer seal-rings (1) from the input shaft support.
    GC0159821Courtesy of CHRYSLER GROUP, LLC
  58. Using a suitable hook tool, remove the split roller bearing (1) from the input shaft support.
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