Installation Procedure

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

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.

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).

Fig 1: Connecting Front End Sensor Connectors - Zone 1
Courtesy of GENERAL MOTORS CORP.
Install the CPA.
Enable the SIR system. Refer to SIR Disabling and Enabling Zone 1 .