Tools Required
J 28458 Seal Protector Retainer Installer
Removal Procedure
- Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle in General Information.
- Remove the transmission oil pan and the filter. Refer to
Automatic Transmission Fluid and Filter Replacement .
- Disconnect the transmission harness 20-way connector from the transmission internal harness pass-through connector.
Depress both tabs on the connector and pull straight up; do not pry the connector.
Important: Removal of the valve body is not necessary for the following procedure.
- Remove the 1-2 accumulator assembly. Do not remove the spacer plate. Refer to
Accumulator Assembly, Spacer Plate, and Gaskets .
- Disconnect the internal wiring harness electrical connectors from the following components:
• | Transmission fluid pressure switch (1) |
• | 1-2 shift control solenoid (2) |
• | 2-3 shift control solenoid (3) |
• | Pressure control solenoid (4) |
• | 3-2 control solenoid (6) |
- Remove the TCC PWM solenoid retainer.
- Remove the TCC PWM solenoid in order to access one of the TCC solenoid retaining bolts.
- Remove the pressure control solenoid retainer.
- Remove the pressure control solenoid.
- Remove the TCC solenoid retaining bolts and the valve body bolts which retain the internal wiring harness.
- Using
J 28458 , release the pass-through electrical connector from the transmission case.
11.1. | Use the small end of the
J 28458 over the top of the connector. |
11.2. | Twist in order to release the four tabs retaining the connector. |
11.3. | Pull the harness connector down through the transmission case. |
- Remove the TCC solenoid (with O-ring seal) and wiring harness assembly from the transmission case.
- Inspect the TCC solenoid and wiring harness assembly for the following defects:
Installation Procedure
- Install the wiring harness and TCC solenoid assembly with a new O-ring seal to the transmission.
- Install the pass-through electrical connector to the transmission case.
Notice: Refer to Fastener Notice in the Preface section.
- Install the valve body bolts which retain the internal wiring harness and install the TCC solenoid retaining bolts.
Tighten
• | Tighten the control valve body retaining bolts to 11 N·m (97 lb in). |
• | Tighten the TCC solenoid retaining bolts to 11 N·m (97 lb in). |
- Install the pressure control solenoid.
Ensure that the electrical tabs are facing outboard.
- Install the pressure control solenoid retainer and retaining bolt.
Tighten
Tighten the pressure control solenoid retaining bolt to 11 N·m (97 lb in).
- Install the TCC PWM solenoid to the control valve body.
- Install the TCC PWM solenoid retainer.
- Connect the internal wiring harness electrical connectors to the following components:
• | Transmission fluid pressure switch (1) |
• | 1-2 shift control solenoid (2) |
• | 2-3 shift control solenoid (3) |
• | Pressure control solenoid (4) |
• | 3-2 control solenoid (6) |
- Install the 1-2 accumulator. Refer to
Accumulator Assembly, Spacer Plate, and Gaskets .
- Connect the transmission harness 20-way connector to the transmission pass-through connector.
Align the arrows on each half of the connector and insert straight down.
- Install the transmission oil pan and filter. Refer to
Automatic Transmission Fluid and Filter Replacement .
- Lower the vehicle.
- Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to
Transmission Fluid Check .
Important: It is recommended that transmission adaptive pressure (TAP) information be reset.
Resetting the TAP values using a scan tool will erase all learned values in all cells. As a result, The ECM, PCM or TCM will
need to relearn TAP values. Transmission performance may be affected as new TAP values are learned.
- Reset the TAP values. Refer to
Adapt Function.