Chevrolet Silverado / GMC Sierra. Service manual — part 672

Inflatable restraint seat belt retractor pretensioners

Inflatable restraint front end sensors

INFLATABLE RESTRAINT FRONT END SENSOR REPLACEMENT (2500, 3500)

Fig. 7: Inflatable Restraint Front End Sensor Replacement (2500, 3500)
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedure: Disable the supplemental inflatable restraint (SIR) system. Refer
to SIR Disabling and Enabling.

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.

Supplemental Inflatable Restraint Front End Discriminating Sensor Bolt (Qty:

2008 Chevrolet Silverado 1500

2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

INFLATABLE RESTRAINT FRONT END SENSOR REPLACEMENT (1500)

Fig. 8: Inflatable Restraint Front End Sensor Replacement (1500)

1

1)

Tip: Loosen bolt in order to remove sensor.

Tighten: 8 N.m (71 lb in)

NOTE:

Refer to Fastener Notice .

2

Supplemental Inflatable Restraint Front End Discriminating Sensor Assembly
Tip:

1. Remove connector position assurance (CPA) retainer.

2. Disconnect electrical connector.

2008 Chevrolet Silverado 1500

2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Courtesy of GENERAL MOTORS CORP.

INFLATABLE RESTRAINT SIDE IMPACT SENSOR REPLACEMENT (EXTENDED CAB)

Callout

Component Name

Preliminary Procedure: Disable the supplemental inflatable restraint (SIR) system. Refer
to SIR Disabling and Enabling.

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.

1

Supplemental Inflatable Restraint Front End Discriminating Sensor Bolt (Qty:
2)

Tip: Loosen the bolt in order to remove the sensor.

Tighten: 8 N.m (71 lb in)

NOTE:

Refer to Fastener Notice .

2

Supplemental Inflatable Restraint Front End Discriminating Sensor (Qty: 2)

Procedure

1. Remove connector position assurance (CPA) retainer.

2. Disconnect electrical connector.

2008 Chevrolet Silverado 1500

2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado

Fig. 9: Inflatable Restraint Side Impact Sensor Replacement (Extended Cab)
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

1. Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling

and Enabling.

2. Remove rear side door trim panel. Refer to Rear Side Door Trim Panel

Replacement (YE9) or Rear Side Door Trim Panel Replacement (SLT) .

CAUTION:

When performing service on or near the SIR components or the SIR wiring, the SIR system must be
disabled. Refer to SIR Disabling and Enabling. Failure to observe the correct procedure could cause
deployment of the SIR components, personal injury, or unnecessary SIR system repairs.

CAUTION:

Do not strike or jolt the inflatable restraint side impact sensor (SIS). Before applying power to the
SIS make sure that it is securely fastened. Failure to observe the correct installation procedures
could cause SIR deployment, personal injury, or unnecessary SIR system repairs.

2008 Chevrolet Silverado 1500

2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &

Silverado