Sierra Classic 2500 4WD V8-6.0L (2007)
Impact Sensor: Service and Repair
Inflatable Restraint Front End Sensor Replacement
Inflatable Restraint Front End Sensor Replacement
Removal Procedure
Caution: Do not strike or jolt the inflatable restraint front end sensor. Before applying power to the front end sensor make sure that it is
securely fastened. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR
system repairs.
1. Disable the SIR system. Refer to SIR Disabling and Enabling.
2. Remove the connector position assurance (CPA) from the connector.
3. Disconnect the electrical connector.
4. Remove the sensor bolt.
5. Remove the sensor (2) from the vehicle.
Installation Procedure
1. Remove any dirt, grease, or other contaminants from the mounting surface (1).
Important: Refer to SIR Service Precautions.
2. Point the arrow on the sensor toward the front of the vehicle.
Notice: Refer to Fastener Notice.
3. Install the sensor (2) horizontally to the radiator support.
Tighten the bolt to 9 N.m (79 lb in).
4. Connect the electrical connector to the sensor (2).
5. Install the CPA.
6. Enable the SIR system. Refer to SIR Disabling and Enabling.
