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HOMESERVICE MANUALSDODGE AND RAM2020DURANGO GT, AWDREPAIR AND DIAGNOSISTRANSMISSIONTRANSMISSION CONTROL SYSTEMS8HP50/850RE AUTOMATIC TRANSMISSION (SERVICE INFORMATION)VALVE BODYREMOVAL
2020 Dodge and Ram Durango GT, AWD

Valve Body: Removal

2020 Dodge and Ram Durango GT, AWDSECTION Removal
CAUTION:

The Transmission Control Module (TCM), or Transmission Control Module Assembly (TCMA) is extremely sensitive to Electrostatic Discharge (ESD). Always use a ground strap and follow the ESD guidelines in ELECTROSTATIC DISCHARGE SENSITIVE DEVICES. Failure to follow these instructions may result in damage to the TCM/TCMA.

  1. Raise the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
  2. Drain the transmission fluid. Refer to STANDARD PROCEDURE - FLUID/FILTER SERVICE 
    GC0152193Courtesy of CHRYSLER GROUP, LLC
  3. Turn the locking mechanism lock (1) of the adapter plug counter-clockwise and disconnect the connector from the transmission.
    GC0152099Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Inspect the gasket for reuse. If the seal is cut or torn, replace the gasket.

  4. Remove the thirteen oil pan retaining bolts (2).
  5. Carefully detach the oil pan (1) and gasket.
    GC0152243Courtesy of CHRYSLER GROUP, LLC
  6. Remove the manual release lever retaining nut (2) and remove the lever (1).
    GC0152275Courtesy of CHRYSLER GROUP, LLC
  7. Reinstall the manual shift shaft lever (2) 180 degrees offset. Using a tie strap (3), secure the lever (2) into position so the park release fork remains in the same position for installation of the valve body assembly.
    GC0154626Courtesy of CHRYSLER GROUP, LLC
  8. If equipped, disconnect the H.I.S connector.
  9. If equipped, remove three bolts (2 and 3) and the Hydraulic Impulse Oil Storage (H.I.S.) accumulator (1).
    GC0152103Courtesy of CHRYSLER GROUP, LLC
  10. Remove the valve body assembly end retainer bolts (3).
  11. Lift the electrical connector lock (2) to release the internal harness end from inside the transmission for valve body assembly removal.
  12. Remove the speed sensor retaining bolt (1) and pull the sensor (4) loose from the case.
    GC0152117Courtesy of CHRYSLER GROUP, LLC
  13. Using (special tool #10377, Remover/Installer, Guide Sleeve) (1) carefully pull the electrical harness insulator (2) straight out from the transmission case (3).
    GC0190541Courtesy of CHRYSLER GROUP, LLC
  14. Remove two bolts and hand install (special tool #10379, Pins, Valve Body Alignment) (1).
  15. Use an appropriate tool on one of the alignment pins to assist in holding the valve body in position while removing the remaining fasteners.
    GC0169780Courtesy of CHRYSLER GROUP, LLC
  16. Remove remaining valve body assembly retaining bolts.
  17. Carefully lower the valve body assembly from the transmission.
    GC0152241Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    The fluid port may remain in the valve body upon removal, remove and discard the O-rings.

  18. Remove the fluid transfer port (1) from the transmission.
  19. Remove and discard the O-ring (2) and seal (3).
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.