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Section 3 (8HP50/850RE Automatic Transmission (Service Information)): Removal

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect and isolate the negative battery cable.
  2. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
    GC0162391Courtesy of CHRYSLER GROUP, LLC
  3. Apply alignment index marks (1) on the transmission and axle flanges.
    GC0162413Courtesy of CHRYSLER GROUP, LLC
  4. Remove the driveshaft to rear axle flange bolts (1) and washers (2).
    GC0158513Courtesy of CHRYSLER GROUP, LLC
  5. Remove the driveshaft center bearing to body bolts (2).
    GC0170214Courtesy of CHRYSLER GROUP, LLC
  6. Remove the driveshaft to transmission flange bolts (1) and washers (2).
    GC0170460Courtesy of CHRYSLER GROUP, LLC
  7. Position aside the driveshaft (1) and support (2).
  8. For All Wheel Drive (AWD) vehicles  , remove the steering gear assembly. Refer to GEAR, REMOVAL .
  9. For AWD vehicles  , remove the transfer case. Refer to REMOVAL .
  10. For Rear Wheel Drive (RWD) vehicles  , remove the lower intermediate steering shaft. Refer to SHAFT, INTERMEDIATE, LOWER, REMOVAL .
  11. Remove the starter. Refer to STARTER, REMOVAL .
    GC0170201Courtesy of CHRYSLER GROUP, LLC
  12. Disconnect the Manual Park Release (MPR) cable (1), remove the MPR cable bracket bolts (2) and position the MPR bracket/cable aside.
    GC0152191Courtesy of CHRYSLER GROUP, LLC
  13. The torque converter is attached with three sets of two bolts (1) 120° apart as shown in illustration.
    GC0144169Courtesy of CHRYSLER GROUP, LLC
  14. Rotate the crankshaft in a clockwise direction for access, and through the starter opening, remove the torque converter bolts (1).
    GC0152192Courtesy of CHRYSLER GROUP, LLC
  15. Turn the locking mechanism lock (1) of the transmission wire harness connector (2) counter-clockwise to release the lock.
    GC0152193Courtesy of CHRYSLER GROUP, LLC
  16. Disconnect the transmission wire harness connector (1).
    GC0170792Courtesy of CHRYSLER GROUP, LLC
  17. Detach the wiring harness (1) from the transmission.
    GC0170765Courtesy of CHRYSLER GROUP, LLC
  18. Detach the wiring harness (1) from the transmission.
    GC0170842Courtesy of CHRYSLER GROUP, LLC
  19. Detach the wiring harness (1) from the transmission and position the wiring harness (2) aside.
    GC0170808Courtesy of CHRYSLER GROUP, LLC
  20. Detach the wiring harness (1) from the transmission.
    GC0170725Courtesy of CHRYSLER GROUP, LLC
  21. Remove the wiring harness bracket bolts (2), Detach the wiring harness (1) from the transmission and position aside the wiring harness.
    GC0170832Courtesy of CHRYSLER GROUP, LLC
  22. Detach the wiring harness (1) from the transmission.
    GC0170705Courtesy of CHRYSLER GROUP, LLC
  23. Remove the wiring harness bracket nut (1).
    GC0170656Courtesy of CHRYSLER GROUP, LLC
  24. Remove the wiring harness bracket nut (1).
    GC0170664Courtesy of CHRYSLER GROUP, LLC
  25. Position aside the vent hose (1) and the vacuum pump and bracket (2).
    GC0170583Courtesy of CHRYSLER GROUP, LLC
  26. Disconnect the transmission fluid cooler lines (1) from the transmission. Refer to TRANSMISSION, STANDARD PROCEDURE .
    GC0170670Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    When supporting or lifting the transmission at the oil pan the weight of the transmission must be distributed evenly on the lifting fixture. Failure to do so could damage the oil pan and transmission.

  27. For RWD  vehicles, raise the transmission slightly with a transmission jack (1) to relieve load on the crossmember.
    GC0152195Courtesy of CHRYSLER GROUP, LLC
  28. For RWD  vehicles, remove the crossmember bolts (1), the transmission mount bolts (2) and remove the crossmember.
    GC0144171Courtesy of CHRYSLER GROUP, LLC
  29. Remove the five (four shown in illustration) bottom transmission to engine bolts (1).
    GC0170785Courtesy of CHRYSLER GROUP, LLC
  30. Remove the Left Hand (LH) engine to transmission bolt (3), the cover bolt (1) and the cover (2).
    GC0170742Courtesy of CHRYSLER GROUP, LLC
  31. Remove the top transmission to engine stud bolts (1).
    GC0170419Courtesy of CHRYSLER GROUP, LLC
  32. Remove the RH transmission to engine stud bolt (1).
  33. Hold the torque converter in place during transmission removal.
  34. Lower the transmission and remove the transmission from the vehicle.
    GC0152214Courtesy of CHRYSLER GROUP, LLC
  35. Remove the transmission mount bolts (2) and the transmission mount (3).
  36. Remove the adapter bracket bolts (1) and the adapter bracket (4).
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