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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (8P75PH Automatic Transmission (Service Information)) >> Removal And Installation >> Transmission >> Removal

Removal And Installation: Transmission: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Power down the 12-volt system. Refer to 12 VOLT BATTERY DISCONNECT - 2.0L or BATTERY DISCONNECT AND CONNECT - 5.7L .
  2. Power down the high voltage system. Refer to HIGH VOLTAGE POWER DOWN .
  3. Remove the lower cowl extension cover. Refer to SILENCER, COWL EXTENSION, REMOVAL AND INSTALLATION .
  4. Raise and support the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  5. Remove the transfer case skid plate. Refer to PLATE, SKID, REMOVAL AND INSTALLATION .
    GC0201647Courtesy of CHRYSLER GROUP, LLC
    1 - Transmission Mount to Transmission Crossmember Nuts
  6. Remove the transmission mount to crossmember nuts.
  7. Lower the vehicle.
    GC0203339Courtesy of CHRYSLER GROUP, LLC
    1 - Upper High Pressure Fuel Pump Shield Bolt
    2 - High Pressure Fuel Pump Shield Isolator Bolts (Not Removed)
    3 - High Pressure Fuel Pump Shield
  8. Raise the transmission mount off of the crossmember using a suitable jack.
  9. Remove upper high pressure fuel pump shield bolt.
  10. Remove the transfer case. Refer to REMOVAL AND INSTALLATION - MPT3015C or REMOVAL AND INSTALLATION - MPT3028C .
  11. Remove the high voltage cable from the transmission. Refer to CABLES, REMOVAL AND INSTALLATION .
  12. Remove the high voltage cable brackets from the transmission.
    GC0203390Courtesy of CHRYSLER GROUP, LLC
    1 - Manual Park Release Cable Bracket Bolts
    2 - Manual Park Release Bracket and Cable Assembly
    3 - Manual Park Release Cable End
  13. Disconnect the Manual Park Release (MPR) cable from the MPR lever. Remove the MPR cable bracket to transmission bolts and position the cable aside.
    GC0182032Courtesy of CHRYSLER GROUP, LLC
    1 - Transmission Wire Harness Connector
  14. Disconnect the 13-pin transmission wire connector. Turn the connector counter-clockwise to release.
  15. Disconnect the Integrated Electric Oil Pump (IEP) wire harness connector.
    GC0203687Courtesy of CHRYSLER GROUP, LLC
    1 - High Voltage Harness Trough Double Ended Stud
    2 - Coolant Line Retainer Nut
    3 - Coolant Line Retainer
    4 - High Voltage Harness Trough Double Ended Stud
  16. Remove the coolant line retainer nut.
  17. Remove the double ended studs that secure the Motor Generator Unit (MGU) harness trough to the transmission and position the wiring aside.
  18. Remove the transfer case wiring trough bolts and position the wiring aside.
    GC0203275Courtesy of CHRYSLER GROUP, LLC
    1 - Front Transmission Oil Cooler Line Bracket to Engine Oil Pan Bolt
    2 - Rear Transmission Oil Cooler Line Bracket Bolt to Engine Oil Pan Bolt
    3 - Transmission Oil Cooler Thermal Bypass Valve
  19. Remove the transmission oil cooler line bracket to engine bolts.
    GC0203425Courtesy of CHRYSLER GROUP, LLC
    1 - Transmission Oil Cooler Line to Transmission Bolt
    2 - Transmission Oil Cooler line Quick Connect Fitting
    3 - Transmission Oil Cooler Line Bundle
  20. Disconnect the transmission cooler line bundle from the transmission.
  21. Disconnect the resolver harness connector.
  22. Disconnect the P2 temperature sensor harness connector.
  23. Remove all remaining wiring harness retainers from the transmission.
  24. Disconnect transmission vent hose.
    GC0203521Courtesy of CHRYSLER GROUP, LLC
    1 - Exhaust Bracket
    2 - Exhaust Bracket Nuts
    3 - Exhaust Bracket Bolts
  25. Remove the exhaust bracket.
  26. Remove the high pressure fuel pump shield nuts and shield.
    GC0203555Courtesy of CHRYSLER GROUP, LLC
    1 - Engine Block to Bellhousing Bolts (Double Ended Studs)
    2 - Engine Oil Pan to Bellhousing Bolts
    NOTE:

    Be careful not to damage the engine oil pan when using the stand. Use a rubber or wood block between the pan and the stand to support the engine.

  27. Support engine with a suitable stand before removing transmission.
  28. Remove the transmission to engine fasteners.
  29. Secure the transmission to a suitable jack.
  30. Carefully maneuver the transmission rearward off of the engine block dowels and remove the assembly.
    NOTE:

    Be careful not to damage or bend the external transmission oil lines.