Chevrolet Silverado / GMC Sierra. Service manual — part 680

Fig. 25: Inflatable Restraint Roof Side Rail Module Replacement (Regular Cab)
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

1. Disable the SIR system. Refer to SIR Disabling and Enabling.

2. Remove the front door sill plate. Refer to Front Side Door Sill Plate Replacement

(Regular Cab/Crew Cab) or Front Side Door Sill Plate Replacement (Extended
Cab) .

3. Remove the rear window lower trim panel. Refer to Rear Window Lower Garnish

Molding Replacement (Regular Cab) or Rear Window Lower Garnish Molding

CAUTION:

In order to prevent SIR deployment, personal injury, or unnecessary SIR system repairs, do not
strike the door or the door pillar in the area of the side impact sensor (SIS). Turn OFF the ignition
and remove the key when performing service in the area of the SIS.

CAUTION:

Refer to SIR Caution .

2008 Chevrolet Silverado 1500

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

Silverado

Replacement (Ext Cab/Crew Cab w/A48) or Rear Window Lower Garnish
Molding Replacement (Ext Cab/Crew Cab w/o A48) .

4. Remove body lock pillar garnish molding. Refer to Body Lock Pillar Trim

Replacement (Crew Cab) or Body Lock Pillar Trim Replacement (Regular
Cab) or Body Lock Pillar Trim Replacement (Extended Cab) .

5. Remove the front assist handle (passenger side only). Refer to Front Assist Handle

Replacement .

6. Remove windshield garnish molding. Refer to Windshield Pillar Garnish Molding

Replacement .

7. Lower side of headliner. Refer to Headlining Trim Panel Replacement (Regular

Cab) or Headlining Trim Panel Replacement (Crew Cab) or Headlining Trim
Panel Replacement (Extended Cab) .

1

Inflatable Restraint Roof Rail Module Bolt (Qty: 7)

Procedure

1. The following repair procedure should be used if an inflatable restraint

roof rail module M-6 nut is stripped:

1. Remove the current M-6 bolt.

2. Retain the module out of the way if necessary. Ensure that the

module does not get damaged. Remove any other module bolts if
installed, to help retain the module out of the way if necessary.

2. If location is at second row roof rail assist handle bracket attachments:

Remove the roof rail assist handle bracket if installed.

Drill out the slot at the location on roof rail assist handle bracket at
the stripped weld-nut location to 8 mm (0.31 in) diameter.

Hand tap (thread) stripped weld-nut to M7 X 1.00 thread for M-7
replacement bolt.

3. If location is at second row roof rail assist handle bracket attachments,

reinstall the roof rail assist handle bracket.

4. If present, remove the M-6 bolt and plastic prefixation bracket from the

module assembly.

5. Reinstall the module. Ensure the module does not get damaged.

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Silverado

SEAT BELT RETRACTOR PRETENSIONER REPLACEMENT - FRONT (REGULAR CAB)

Fig. 26: Seat Belt Retractor Pretensioner Replacement - Front (Regular Cab)

6. Hand start the replacement M-7 bolt P/N 11609538. For cushion

attachments, ensure the bolt goes through both layers of the attachment
webbing.

7. Hand start any other bolts that were removed.

8. Tighten the bolts to original specification.

Tighten: 9 N.m (80 lb ft)

2

Inflatable Restraint Roof Rail Module Retainer (Qty: 4)

3

Inflatable Restraint Roof Rail Module Assembly

Procedure

1. Release the connector position assurance (CPA) retainer.

2. Disconnect the electrical connectors.

3. Ensure roof rail inflator has been fully deployed before disposal. Refer to

Inflator Module Handling and Scrapping.

2008 Chevrolet Silverado 1500

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

Silverado

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

1. Disable the SIR. Refer to SIR Disabling and Enabling.

2. Remove the front seats. Refer to Front Seat Replacement - Bucket .

3. Remove the rear window lower molding. Refer to Rear Window Lower Garnish

Molding Replacement (Regular Cab) or Rear Window Lower Garnish Molding
Replacement (Ext Cab/Crew Cab w/A48) or Rear Window Lower Garnish
Molding Replacement (Ext Cab/Crew Cab w/o A48) .

4. Remove rear door sill plate. Refer to Rear Side Door Sill Plate Replacement

(Extended Cab) or Rear Side Door Sill Plate Replacement (Crew Cab) .

5. Remove the body lock pillar trim panel. Refer to Body Lock Pillar Trim

Replacement (Crew Cab) or Body Lock Pillar Trim Replacement (Regular
Cab) or Body Lock Pillar Trim Replacement (Extended Cab) .

CAUTION:

Refer to SIR Caution .

CAUTION:

In order to prevent accidental deployment and the risk of personal injury, do not dispose of an
undeployed inflatable restraint seat belt pretensioner as normal shop waste. Undeployed seat belt
pretensioners contain substances that could cause severe illness or personal injury if their sealed
containers are damaged during disposal. Use the following deployment procedures to safely
dispose of an undeployed seat belt pretensioner. Failure to observe the following disposal methods
may be a violation of federal, state, or local laws.

1

Front Seat Belt Anchor Plate Bolt

Tighten: 45 N.m (33 lb ft)

NOTE:

Refer to Fastener Notice .

2

Front Seat Belt Guide

3

Front Seat Belt Retractor Bolt
Tip: Disconnect electrical connector.

Tighten: 45 N.m (33 lb ft)

Front Seat Belt Adjuster Bolt

2008 Chevrolet Silverado 1500

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

Silverado