K 1500 Suburban 4WD V8-4.8L VIN V (2003)
Impact Sensor: Service and Repair
Inflatable Restraint Front End Sensor Replacement
REMOVAL PROCEDURE
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 1.
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.
IMPORTANT: The procedure below is for the left sensor. The right sensor is similar.
2. Disconnect the wire harness.
3. Remove the connector position assurance (CPA) from the connector.
4. Remove the sensor retaining bolt.
5. Remove the sensor and bolt assembly from the vehicle.
INSTALLATION PROCEDURE
1. Remove any dirt, grease, or other contaminants from the mounting surface.
2. Point the arrow on the SDM toward the front of the vehicle.
3. Install the sensor (3) and the bolt assembly horizontally to the radiator support.
NOTE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: Refer to SIR Service Precautions.
Tighten
Tighten the bolt to 9 N.m (79 lb in).
