Installation Procedure

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Remove any dirt, grease, or other contaminants from the mounting surface (1).

IMPORTANT: Refer to SIR Service Precautions .

Point the arrow on the sensor toward the front of the vehicle.

Fig 1: View Of Front End Sensor Connector & Frame Crossmember

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the sensor (2) horizontally to the radiator support.
Tighten: Tighten the bolt to 9 N.m (79 lb in).
Connect the electrical connector to the sensor (2).
Install the CPA.
Enable the SIR system. Refer to SIR Disabling and Enabling Zone 1 .