4R100 Automatic Transmission

Turbine Shaft Speed (TSS) Sensor and Output Shaft Speed (OSS) Sensor

Removal
1. With the vehicle in NEUTRAL position it on a hoist.





2. Remove the rear transmission mount nuts.
3. Position the high-lift transmission jack under the transmission.





4. CAUTION: Be sure not to raise the back of the transmission too high, if it makes contact with the underbody, damage to the turbine shaft speed (TSS) and output shaft speed (OSS) sensors will occur.

Remove the rear transmission mount.
1. Raise the transmission up off the rear crossmember support.
2. Remove the bolts.
3. Remove the rear transmission mount.





5. Lower the transmission to gain access to the TSS sensor and the OSS sensor.





6. Remove the TSS sensor.
1. Remove the bolt.
2. Remove the TSS sensor.





7. Remove the OSS sensor.
1. Remove the bolt.
2. Remove the OSS sensor.

Installation





1. Install the OSS sensor.
1. Lubricate and install the OSS sensor.
2. Install the bolt.





2. Install the TSS sensor.
1. Lubricate and install the TSS sensor.
2. Install the bolt.





3. CAUTION: Be sure not to raise the back of the transmission too high, if it makes contact with the underbody, damage to the sensors will occur.

Install the rear transmission mount.
1. Raise the transmission up.
2. Install the rear transmission mount.
3. Install the bolts.





4. Lower the transmission on to the rear crossmember support.





5. Install the rear transmission mount nuts.
6. Lower the vehicle.