Chevrolet Silverado / GMC Sierra. Manual - part 674
INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENT
3. Remove front side door trim panel. Refer to Front Side Door Trim Panel
Replacement (YE9) or Front Side Door Trim Panel Replacement (SLT) .
4. Remove front side door water deflector. Refer to Front Side Door Water Deflector
Replacement .
1
Inflatable Restraint Side Impact Sensor Module Bolt (Qty: 2)
Procedure:
Loosen the bolts and slide sensor out of key hole slots.
Tip:
When removing the bolts from the inboard side, the bolts are removed as
having right hand threads.
When removing the bolts from the outboard side, the bolts are removed as
having left hand threads.
Tighten: 9 N.m (80 lb ft)
NOTE:
Refer to Fastener Notice .
2
Inflatable Restraint Side Impact Sensor Module Assembly
2008 Chevrolet Silverado 1500
2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 12: Inflatable Restraint Sensing and Diagnostic Module Replacement
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
CAUTION:
Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying
power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of
the vehicle. Failure to observe the correct installation procedure could cause SIR deployment,
personal injury, or unnecessary SIR system repairs.
CAUTION:
Refer to SIR Caution .
2008 Chevrolet Silverado 1500
2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
INFLATABLE RESTRAINT STEERING WHEEL MODULE REPLACEMENT
Preliminary Procedures
1. Disable the supplemental inflatable restraint (SIR) system. Refer to SIR Disabling
and Enabling.
2. Remove driver front bucket seat. Refer to Front Seat Replacement - Bucket .
1
Inflatable Restraint Sensing and Diagnostic Module Nuts (Qty: 3)
Tighten: 7 N.m (56 lb in)
NOTE:
Refer to Fastener Notice .
2
Inflatable Restraint Sensing and Diagnostic Module Assembly
Tip:
1. Position the carpet in order to access the module.
2. Disconnect the electrical connectors.
3. When installing, ensure the arrow on the module is pointed towards the
front of the vehicle.
4. If installing a replacement module, program the module. Refer to Control
Module References .
2008 Chevrolet Silverado 1500
2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 13: Inflatable Restraint Steering Wheel Module Replacement
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedure: Disable the supplemental inflatable restraint (SIR) system. Refer
to SIR Disabling and Enabling.
CAUTION:
Refer to SIR Inflator Module Handling and Storage Caution .
CAUTION:
Refer to SIR Caution .
1
Retainer
Procedure:
On the back side of the steering wheel, there are 2 access holes which directs
the tool to the release retainer. Using a 3-4 mm wire or 4 mm allen type wrench,
push the retainer inward and slightly upward through the access hole. Repeat
the step for the other access hole.
Steering Wheel Inflatable Restraint Module
Procedure
2008 Chevrolet Silverado 1500
2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado