Inflatable Restraint Front End Sensor Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of SIR Front End Sensor Assembly & Bolt

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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. Preliminary Procedures Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling . Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
1	Supplemental Inflatable Restraint Front End Discriminating Sensor Bolt NOTE: Refer to Fastener Notice . Tighten: 8 N.m (71 lb in) Tip: Loosen bolt in order to remove sensor.
2	Supplemental Inflatable Restraint Front End Discriminating Sensor Assembly Tip: Remove connector position assurance (CPA) retainer. Disconnect electrical connector.

Callout

Component Name

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.

Preliminary Procedures

Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling .
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

Supplemental Inflatable Restraint Front End Discriminating Sensor Bolt

NOTE: Refer to Fastener Notice .

Tighten: 8 N.m (71 lb in)

Tip: Loosen bolt in order to remove sensor.

Supplemental Inflatable Restraint Front End Discriminating Sensor Assembly
Tip:

Remove connector position assurance (CPA) retainer.
Disconnect electrical connector.