GM 26084178
Position Sensor

Setting the front wheels at a straight position while locking the steering wheel must come first when replacing the steering wheel position sensor. Disable operation of the supplemental inflatable restraint (SIR) system. Disassemble the upper intermediate shaft connection by unbolted the nut then removing bolt while guiding down the Steering Shaft intermediate. A suitable tool should be used to disconnect the position sensor connector by dragging it downward toward the Steering Column's right side. Keep all pressures off both the sensor and bearing components. Extract the position sensor combined with bearings straight out of the Steering Column jacket before dislodging the sensor from its clips on the bearing assembly. Place the position sensor into bearing assembly without applying any side pressure before inserting the bearing fully into the Steering Column jacket while aligning its notches. After connecting the position sensor connector make sure to carefully follow the fastener notice in service precautions. Gently slide the shaft until both the bolt and nut reach their position at the upper intermediate shaft to Steering Column junction point. Then torque the connection to 47 nm (35 ft. Lbs.). Finally, enable the sir system.

Before anything else, turn off the sir system and take the Steering Column out of the car. Remove the following pieces from the steering shaft: steering shaft seal (7), sensor retainer (6), Steering Angle Sensor (5), two lower spring retainers (4), lower bearing spring (3), lower bearing seat (2) and adapter and bearing assembly (1). To install, first attach the adapter and bearing assembly to the steering shaft, then put on the lower bearing seat, spring, two retainer clips and the Steering Angle Sensor. After that, place the sensor retainer and steering shaft seal, turn on the sir system and return the Steering Column to its original position. Always make sure the front of the sensor (1) connector is on the right side and find out the kind of sensor so you know how to remove it. For reuse, you do not have to adjust any sensor alignment before you remove it. For a new sensor, look for a pin; make sure the sensor is correctly installed before removing the pin. Lay the sensor straight against the steering shaft, connect it to the adapter and bearings and secure it with a connector. There should be a foam ring (4) in the front along with a pin hole (7) for the centering pin, a flushed rotor flange cuff (6) and an alignment mark (5) to guide the sensor's installation. If you are reusing the sensor, ensure the marks on the flange cuff are aligned as you install it and during seating of the sensor.