K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
Transmission Speed Sensor: Service and Repair
Output Shaft Speed Sensor T
4L80-E/4L85-E
Output Shaft Speed Sensor Replacement
Removal Procedure
Important: This procedure is for 2-wheel drive (2WD) vehicles only. If the vehicle is equipped with 4-wheel drive (4WD) the output speed sensor is
located on the transfer case.
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the output speed sensor (2) electrical connector.
3. Remove the output speed sensor bolt.
4. Remove the output speed sensor (2).
5. Inspect the output speed sensor (2) for any evidence of damage.
Installation Procedure
1. Lubricate the output speed sensor seal with automatic transmission fluid.
