Navigator 2WD V8-5.4L SOHC VIN L (1999)
Transmission Speed Sensor: Service and Repair
4R100
Removal
1. Remove the drive shaft.
2. Remove the rear transmission mount nuts.
3. CAUTION: Be sure not to raise the back of the transmission too high, if it makes contact with the underbody, damage to the TSS and
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.
4. Lower the transmission to gain access to the Turbine Shaft Speed (TSS) Sensor, and the Output Shaft Speed (OSS) Sensor.
