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Home >> Buick >> 2012 >> Regal L4-2.0L Turbo >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Wiring Harness >> Service and Repair
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Wiring Harness: Service and Repair




Automatic Transmission Wiring Harness Replacement

Removal Procedure

1. Remove the control valve body cover. Refer to Control Valve Body Cover Replacement Control Valve Body Cover Replacement.

2. Remove the control valve body. Refer to Control Valve Body Replacement Control Valve Body Replacement.

3. Remove the transmission control module. Refer to Transmission Control Module Replacement Service and Repair.





4. Remove the wiring harness.

1. Remove the clip (1).

2. Lift out the wiring harness (2).

Installation Procedure





1. Install the wiring harness.

Install a new seal (2) in the gearcase and an O-ring (1) on the connection.





2. Install the wiring harness (2).

Ensure the connector's guide pin locates in the groove and install the clip (1).

3. Install the transmission control module. Refer to Transmission Control Module Replacement Service and Repair.

4. Install the control valve body. Refer to Control Valve Body Replacement Control Valve Body Replacement.

5. Install the control valve body cover. Refer to Control Valve Body Cover Replacement Control Valve Body Cover Replacement.

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