Vehicle Speed Sensor: Service and Repair
SPEED SENSOR REPLACEMENT1. Disconnect sensor wire harness connector.
2. Remove sensor retainer bolt and remove sensor.
3. Remove and discard speed sensor O-ring.
4. Install new O-ring on speed sensor and install sensor in transmission case.
5. Install sensor bracket and retainer bolt. Tighten bolt to 7.4 Nm (65 inch lbs.) torque.
6. Connect sensor wire harness connector.
SPEED SENSOR ROTOR-SPEEDOMETER DRIVE GEAR
Removal
1. Raise vehicle.
2. Remove components necessary to gain access to rotor and drive gear such as propeller shaft, transfer case, crossmember, and shift linkage.
3. Disconnect speedometer cable and/or speed sensor.
4. Remove adaptor housing.
5. Remove speedometer drive gear snap ring.
6. Remove the speedometer drive gear and spacer (if equipped).
7. Remove rotor by carefully prying it off output shaft with wood dowel or hammer handle.
8. Clean sealing surfaces of transmission case and extension/adaptor housing.
Installation
1. Install rotor, spacer (if equipped) and drive gear on output shaft. Then install drive gear snap ring.
2. Apply bead of Loctite 599 sealer, to transmission case sealing surface and install extension/adapter housing on case.
3. Tighten adaptor housing bolts to 34 Nm (25 ft. lbs.) torque.
4. Install components removed to gain access to rotor and drive gear.