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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> 8HP50/850RE - Automatic Transmission (Service Information) >> Removal And Installation

Removal And Installation

8HP50/850RE

REMOVAL 

  1. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  2. Remove the engine belly pan. Refer to BELLY PAN, ENGINE, REMOVAL AND INSTALLATION .
  3. Remove the transmission belly pan. Refer to BELLY PAN, ENGINE, REMOVAL AND INSTALLATION or BELLY PAN, REAR, REMOVAL AND INSTALLATION or BELLY PAN, REAR SUSPENSION, REMOVAL AND INSTALLATION or BELLY PAN, SIDE, REMOVAL AND INSTALLATION .
  4. Remove the RH and LH catalytic converters. Refer to CONVERTER, CATALYTIC, REMOVAL AND INSTALLATION .
    GC0193504Courtesy of CHRYSLER GROUP, LLC
  5. Disconnect the transmission wiring harness connector (1).
    GC0194185Courtesy of CHRYSLER GROUP, LLC
  6. Remove the transmission fluid cooler tube bracket bolt (1a), from the fluid cooler bracket (1b) and remove the transmission cooler tubes (2) from the transmission.
    GC0194862Courtesy of CHRYSLER GROUP, LLC
  7. Remove the transmission fluid cooler tube bracket bolt (1).
    GC0194675Courtesy of CHRYSLER GROUP, LLC
  8. Remove the thermal by-pass valve bracket bolts (1a).
  9. Support the transmission with a suitable jack.
    NOTE:

    For Rear Wheel Drive (RWD) vehicles.

  10. Remove the transmission crossmember. Refer to CROSSMEMBER, TRANSMISSION, REMOVAL AND INSTALLATION .
  11. Remove the drive shaft. Refer to REMOVAL AND INSTALLATION .
    NOTE:

    For All Wheel Drive (AWD) vehicles.

  12. Remove the transfer case. Refer to REMOVAL AND INSTALLATION .
    GC0193517Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    All vehicles

  13. Remove the ground wire nut (1a) and position the ground wire aside (1b).
    GC0193621Courtesy of CHRYSLER GROUP, LLC
  14. Disconnect the transmission solenoid wire harness connector (1).
    GC0195251Courtesy of CHRYSLER GROUP, LLC
  15. If equipped, loosen the coolant supply and return pipes bands (2 and 3), disconnect the coolant supply and return pipes (2 and 3) from the transmission fluid heat exchanger and position aside the pipes.
    GC0194300Courtesy of CHRYSLER GROUP, LLC
  16. If equipped, remove the transmission fluid heat exchanger tube bolts (1a), the transmission fluid heat exchanger bolts (2a) and the transmission fluid heat exchanger (2b).
  17. Remove the starter. Refer to STARTER, REMOVAL AND INSTALLATION .
    NOTE:

    Photos shown in illustration with drivetrain removed for clarity.

    GC0195178Courtesy of CHRYSLER GROUP, LLC
  18. Using a socket and breaker bar (1) on the bolt securing the vibration damper, turn the engine crankshaft to access and remove the six torque converter bolts (2).
    GC0194214Courtesy of CHRYSLER GROUP, LLC
  19. Remove the transmission to engine bolt (1).
    GC0193850Courtesy of CHRYSLER GROUP, LLC
  20. Remove the transmission to engine bolt (1) and the four transmission to engine stud bolts (2).
    GC0194924Courtesy of CHRYSLER GROUP, LLC
  21. Remove the transmission to engine bolts (2), disconnect the wire harness connector (1) and remove the transmission.

INSTALLATION 

GC0194924Courtesy of CHRYSLER GROUP, LLC
  1. Check and clean the threads on the torque converter housing for the engine flywheel bolts.
  2. Lubricate the torque converter centering seat using suitable grease.
    GC0194871Courtesy of CHRYSLER GROUP, LLC
  3. Check that the torque converter is positioned correctly by verifying that the distance between point "a" on the torque converter and surface "b" of the transmission bell housing is 13.95 mm.
  4. Install the transmission to the engine while engaging the centering pin of the torque converter in the crankshaft flange.
    GC0197539Courtesy of CHRYSLER GROUP, LLC
  5. Install the transmission to engine bolt (1), the four transmission to engine stud bolts (2) and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .
    GC0194214Courtesy of CHRYSLER GROUP, LLC
  6. Install the transmission to engine bolt (1) and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .

    Photos shown in illustration with drivetrain removed for clarity.

    GC0194535Courtesy of CHRYSLER GROUP, LLC
  7. Use a socket and breaker bar (1) on the bolt securing the vibration damper to turn the engine crankshaft and access the bolts securing the torque converter to the flywheel.
  8. Install the NEW  bolts securing the torque converter to the flywheel and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .
  9. Install the starter. Refer to STARTER, REMOVAL AND INSTALLATION .
    GC0194675Courtesy of CHRYSLER GROUP, LLC
  10. Install the 3-Way coolant valve bracket bolts (1a) and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .
    GC0194862Courtesy of CHRYSLER GROUP, LLC
  11. Install the transmission fluid cooler tube bracket bolt (1) and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .
    GC0194185Courtesy of CHRYSLER GROUP, LLC
  12. Position the transmission fluid cooler tubes (2) in place, install the fluid cooler tube bracket (1b) and install the transmission fluid cooler tube bracket bolt (1a) and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .
    GC0194300Courtesy of CHRYSLER GROUP, LLC
  13. If equipped, install the transmission fluid heat exchanger (2b), transmission fluid heat exchanger tube bolts (1a), the transmission fluid heat exchanger bolts (2a) and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .
    GC0195251Courtesy of CHRYSLER GROUP, LLC
  14. If equipped, connect the coolant supply and return pipes (2 and 3) to the transmission fluid heat exchanger and tighten the bands (2 and 3).
    GC0193621Courtesy of CHRYSLER GROUP, LLC
  15. Connect the transmission solenoid wire harness connector (1).
    GC0193517Courtesy of CHRYSLER GROUP, LLC
  16. Install the ground wire (1b), the ground wire nut (1a) and tighten to the proper. Refer to TORQUE SPECIFICATIONS  .
    NOTE:

    For All Wheel Drive (AWD) vehicles.

  17. Install the transfer case. Refer to REMOVAL AND INSTALLATION .
  18. Install the front drive shaft. Refer to REMOVAL AND INSTALLATION .
    NOTE:

    For Rear Wheel Drive (RWD) vehicles.

  19. Install the transmission crossmember. Refer to CROSSMEMBER, TRANSMISSION, REMOVAL AND INSTALLATION .
  20. Install the drive shaft. Refer to REMOVAL AND INSTALLATION .
    GC0193504Courtesy of CHRYSLER GROUP, LLC
  21. Connect the transmission wiring harness connector (1).
  22. Fill the transmission. Refer to CHECK FLUID LEVEL  .
  23. Install the RH and LH catalytic converters. Refer to CONVERTER, CATALYTIC, REMOVAL AND INSTALLATION .
  24. Install the transmission belly pan. Refer to BELLY PAN, ENGINE, REMOVAL AND INSTALLATION or BELLY PAN, REAR, REMOVAL AND INSTALLATION or BELLY PAN, REAR SUSPENSION, REMOVAL AND INSTALLATION or BELLY PAN, SIDE, REMOVAL AND INSTALLATION .
  25. Install the engine belly pan. Refer to BELLY PAN, ENGINE, REMOVAL AND INSTALLATION .
  26. Remove the support and lower the vehicle.
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