gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

4L80-E/4L85-E - Automatic Transmission|Page 12989 > < 4L60-E/4L65-E/4L70-E - Automatic Transmission|Page 12986
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Transmission Speed Sensor: Service and Repair
4L80-E/4L85-E -  Automatic Transmission

Input Shaft Speed Sensor Replacement

Input Shaft Speed Sensor Replacement

Removal Procedure

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.

2. Disconnect the input speed sensor electrical connector (2).

3. Remove the input speed sensor bolt.
4. Remove the input speed sensor (1).
5. Inspect the input speed sensor (1) for any evidence of damage.

Installation Procedure

4L80-E/4L85-E - Automatic Transmission|Page 12989 > < 4L60-E/4L65-E/4L70-E - Automatic Transmission|Page 12986