Preliminary Procedures

1. Remove the control valve body cover. Refer to Control Valve Body Cover Replacement.
2. Remove the left transmission mount bracket. Refer to Transmission Mount Bracket Replacement - Left Side.

1

Input Speed Sensor (ISS) Wire Harness

Procedure

Attach DT-47734 speed sensor harness tether to the ISS electrical connector locking tab before removal of old ISS to assist in installation of the new ISS.

Special Tools

DT-47734 Speed Sensor Harness Tether

2

Input Speed Sensor Bolt M6 x 25

Caution: Refer to Fastener Caution in the Preface section.

Procedure

Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the input speed sensor bolt.

Tighten
9 N·m (7 lb in)

3

Input Speed Sensor

Procedure

Perform the service fast learn adapt procedure. Refer to Service Fast Learn Adapts.

Tip
After an internal transmission repair or internal part replacement the service fast learn adapt procedure should be performed.

4

Input Speed Sensor Seal