TrailBlazer 2WD L6-4.2L VIN S (2003)
2. Position the sensor assembly horizontally above the front bumper.
3. Connect the sensor (2) electrical connector.
4. Install the connector-position assurance (CPA) to the sensor electrical connector.
5. Install the retaining bolts and protective cover (1) to the sensor.
6. Position the sensor assembly horizontally to the frame (1).
7. Point the arrow on the sensor toward the front of the vehicle.
8. Install the 2 bolts (1) retaining the discriminating sensor assembly to the frame.
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the bolts to 8 N.m (71 lb in).