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Home >> Dodge and Ram >> 2017 >> Challenger SXT Plus >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules (Service Information) >> Module, Transmission Control (TCM) >> Installation >> Installation 8HP90
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Installation 8HP90

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 (ESD) SENSITIVE DEVICES. Failure to follow these instructions may result in damage to the TCM/TCMA.

GC0152241Courtesy of CHRYSLER GROUP, LLC
  1. Install the fluid port (1) with NEW  O-rings (2) and seal (3) to the valve body.
    GC0152262Courtesy of CHRYSLER GROUP, LLC
  2. Install the valve body assembly to the transmission using the previously installed (1) (special tool #10379, Pins, Valve Body Alignment) as a guide.
  3. Use an appropriate tool on one of the alignment pins to assist in holding the valve body in position while installing the remaining fasteners.
    GC0169780Courtesy of CHRYSLER GROUP, LLC
  4. Install the valve body assembly bolts not including 16-18 and hand tighten.
  5. Remove the pins and install the remaining bolts.
    GC0152117Courtesy of CHRYSLER GROUP, LLC
  6. Using (special tool #10377, Remover/Installer, Guide Sleeve) (1) carefully install the wire harness insulator (2) to the transmission case (3).
    GC0152103Courtesy of CHRYSLER GROUP, LLC
  7. Lock the wire harness connector lock (2) to the internal wire harness end.
  8. Install the speed sensor (4) to the case install the speed sensor bolt (1) and tighten to the proper torque specifications. Refer to TECHNICAL SPECIFICATIONS .
    GC0154626Courtesy of CHRYSLER GROUP, LLC
  9. If equipped, install the Hydraulic Impulse Oil Storage (HIS) accumulator (1).
  10. Tighten the bolts (2 and 3) to the proper torque specifications. Refer to TECHNICAL SPECIFICATIONS .
  11. Connect the HIS wire harness connector.
  12. Install the valve body assembly end bolts (3) and hand tighten.
    GC0169780Courtesy of CHRYSLER GROUP, LLC
  13. Tighten the valve body bolts in the sequence shown to 6 Nm (53 in.-lbs.).
    GC0152243Courtesy of CHRYSLER GROUP, LLC
  14. Remove the tie strap and return the Manual Park Release (MPR) lever (1) to the original position, tighten the MPR lever nut (2) to the proper torque specifications. Refer to TECHNICAL SPECIFICATIONS .
    GC0170496Courtesy of CHRYSLER GROUP, LLC
  15. Install the transmission oil filter (1).
    GC0170254Courtesy of CHRYSLER GROUP, LLC
  16. Install the transmission oil pan gasket, the oil pan (2) and the bolts (1).
    GC0152239Courtesy of CHRYSLER GROUP, LLC
  17. Tighten the transmission oil pan bolts to 4 N.m (35 in. lbs.) + 45° in the sequence shown.
    GC0152193Courtesy of CHRYSLER GROUP, LLC
  18. Connect the transmission wire harness connector (1).
    GC0152192Courtesy of CHRYSLER GROUP, LLC
  19. Turn the locking mechanism (1) of the transmission wire harness connector clockwise to lock it in place.
  20. If the valve body is replaced, program the Transmission Control Module (TCM). Refer to PROGRAMMING THE TRANSMISSION CONTROL MODULE (TCM)  .
  21. Perform the TRANSMISSION FILL AFTER SERVICE procedure. Refer to FLUID AND FILTER, STANDARD PROCEDURE .
  22. Perform the TRANSMISSION VERIFICATION TEST. Refer to TRANSMISSION VERIFICATION TEST-8HP45-845RE , TRANSMISSION VERIFICATION TEST-8HP70 or TRANSMISSION VERIFICATION TEST-8HP90 .
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