Steering Angle Sensor: Service and Repair
EPS Torque Sensor Replacement
Note these items during replacement:
- Do not allow dust, dirt, or other foreign materials to enter the gearbox.
- Do not try to disassemble the torque sensor coil and the torque sensor core. If the sensor core is faulty, replace the pinion shaft as an assembly.
- If the torque sensor (pinion shaft assembly) is replaced, the EPS control unit must memorize the torque sensor neutral position Testing and Inspection.
1. Remove the steering gearbox Steering Gearbox Removal/Installation.
2. Center the steering rack within its stroke.
3. Remove the rack guide Steering Rack Guide Removal/Installation.
4. Remove the torque sensor coil (A).
5. Remove the snap ring (B), then remove the torque sensor core/pinion shaft (C) and O-ring (D).
6. Coat the new O-ring with grease, and carefully fit it on the gearbox housing.
7. Apply multipurpose grease to the needle bearing (E) in the gearbox housing.
8. Install the torque sensor core/pinion shaft assembly on the gearbox housing while engaging the gear teeth. Tighten the flange bolts to the specified torque.
9. Install the rack guide Steering Rack Guide Removal/Installation.
10. Install the steering gearbox.
11. Adjust the rack guide screw Adjustments. After adjusting, check that the rack moves smoothly by sliding the rack right and left.