Input Speed Sensor Replacement

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Drain the transmission, refill when repair is completed. Refer to Transmission Fluid Drain and Fill . Remove the left engine splash shield. Remove the left transmission mount and bracket. Refer to Transmission Mount Replacement - Left Side . Remove the control valve body cover. Refer to Control Valve Body Cover Replacement . Perform the service fast learn adapt procedure.
1	Input Speed Sensor (ISS) Wire Harness Procedure Attach the 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 . Procedure Apply threadlocker to the input speed sensor bolt. Refer to Adhesives, Fluids, Lubricants, and Sealers for the recommended threadlock material. Tighten 9 N.m (80 lb in)
3	Input Speed Sensor TIP: After an internal transmission repair or internal part replacement the service fast learn adapt procedure should be performed.
4	Input Speed Sensor Seal