Valve Body: 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.

Raise the vehicle. Refer to HOISTING, STANDARD PROCEDURE .
Drain the transmission fluid. Refer to FLUID AND FILTER, STANDARD PROCEDURE .

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Turn the locking mechanism lock (1) of the adapter plug counter-clockwise and disconnect the connector from the transmission.

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NOTE:
Inspect the gasket for reuse. If the seal is cut or torn, replace the gasket.
Remove the thirteen oil pan retaining bolts (2).
Carefully detach the oil pan (1) and gasket.

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Detach the Manual Park Release (MPR) cable (1) from the lever (2).
Using a suitable tie strap (3), secure the MPR lever into position so the park release fork remains in the same position for installation of the valve body assembly.

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If equipped, disconnect the H.I.S connector.
If equipped, remove three bolts (2 and 3) and the Hydraulic Impulse Oil Storage (H.I.S.) accumulator (1).

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Remove the valve body assembly end retainer bolts (3).
Lift the electrical connector lock (2) to release the internal harness end from inside the transmission for valve body assembly removal.
Remove the speed sensor retaining bolt (1) and pull the sensor (4) loose from the case.

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Using (special tool #10377, Remover/Installer, Guide Sleeve) (1) carefully pull the electrical harness insulator (2) straight out from the transmission case (3).

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Remove two bolts and hand install (special tool #10379, Pins, Valve Body Alignment) (1).
Use an appropriate tool on one of the alignment pins to assist in holding the valve body in position while removing the remaining fasteners.

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Remove remaining valve body assembly retaining bolts.
Carefully lower the valve body assembly from the transmission.

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NOTE:
The fluid port may remain in the valve body upon removal, remove and discard the O-rings.
Remove the fluid transfer port (1) from the transmission.
Remove and discard the O-ring (2) and seal (3).