Front End Inflatable Restraint Discriminating Sensor Replacement

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2015 GMC Yukon XL, 2015 GMC Yukon, 2015 Chevrolet Tahoe, 2015 Chevrolet Suburban, and 2015 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Front End Inflatable Restraint Discriminating Sensor

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
WARNING: Refer to SIR Warning . WARNING: Refer to SIR Inflator Module Handling and Storage Warning . WARNING: Following the deployment of a side impact air bag, inspect the following parts for damage. Replace these parts if necessary: The seat cushion frame The seat recliner, if equipped The seat adjuster The seat back frame Failure to do so may cause future personal injury. Preliminary Procedures Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling . Remove the steering gear skid shield. Refer to Steering Gear Skid Shield Replacement .
1	Airbag Front End Discriminating Sensor Assembly (Qty: 2) CAUTION: Refer to Fastener Caution . Procedure Disconnect electrical connector. Loosen the bolts and slide the sensor out of the keyhole slots. The bolts are integral to the sensor assembly and DO NOT remove separately. NOTE: Integral sensor assembly bolt uses Left Hand threads. Use counterclockwise rotation to loosen fastener at TORX® tip end. If accessing at pan head end of the fastener, use clockwise rotation to loosen bolt. Tighten 7.5 N.m (66 lb in)

Callout

Component Name

WARNING:

Refer to SIR Warning .

WARNING:

Refer to SIR Inflator Module Handling and Storage Warning .

WARNING:

Following the deployment of a side impact air bag, inspect the following parts for damage. Replace these parts if necessary:

The seat cushion frame
The seat recliner, if equipped
The seat adjuster
The seat back frame

Failure to do so may cause future personal injury.

Preliminary Procedures

Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling and Enabling .
Remove the steering gear skid shield. Refer to Steering Gear Skid Shield Replacement .

Airbag Front End Discriminating Sensor Assembly (Qty: 2)

CAUTION:

Refer to Fastener Caution .

Procedure

Disconnect electrical connector.
Loosen the bolts and slide the sensor out of the keyhole slots.
The bolts are integral to the sensor assembly and DO NOT remove separately.

NOTE:

Integral sensor assembly bolt uses Left Hand threads. Use counterclockwise rotation to loosen fastener at TORX® tip end. If accessing at pan head end of the fastener, use clockwise rotation to loosen bolt.

Tighten
7.5 N.m (66 lb in)