Chevrolet Silverado / GMC Sierra. Manual - part 678
INFLATABLE RESTRAINT INSTRUMENT PANEL MODULE DISABLE SWITCH REPLA
REPLACEMENT
Presence System Rezeroing.
1
Front Seat Recliner Lever (If Equipped)
Tip: Using a flat-bladed tool, push the retainer clip downward and pull
outward to release the knob.
2
Front Seat Adjuster Outer Finish Cover
Refer to Front Seat Cushion Outer Trim Panel Replacement (Manual) or
Front Seat Cushion Outer Trim Panel Replacement (Power) .
3
Front Seat Adjuster Inner Finish Cover
Refer to Front Seat Cushion Inner Trim Panel Replacement .
4
Front Seat Cushion Cover and Pad
Tip:
1. Disengage the j-channel retainers from the seat cushion frame.
2. Remove the seat cushion cover and pad from the seat cushion frame as an
assembly.
5
Inflatable Restraint Front Passenger Presence Sensor Retainer (Qty: 2)
6
Inflatable Restraint Front Passenger Presence Sensor
Tip:
1. Lay the seat on it's side.
2. Unhook connector from retainer on seat frame and push up through seat
pan.
3. Disconnect and remove sensor.
7
Front Seat Adjuster Assembly
Refer to Front Seat Adjuster Replacement (Manual) or Front Seat
Adjuster Replacement (Power) .
8
Inflatable Restraint Front Passenger Presence Module Rivets (Qty: 2)
Tip: Drill out the rivets to remove and install using new rivets.
9
Inflatable Restraint Front Passenger Presence Module
2008 Chevrolet Silverado 1500
2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado
Fig. 22: Inflatable Restraint Instrument Panel Module Disable Switch Replacement
Courtesy of GENERAL MOTORS CORP.
INFLATABLE RESTRAINT ROOF SIDE RAIL MODULE REPLACEMENT (CREW CAB)
Callout
Component Name
Preliminary Procedure: Disable the supplemental inflatable restraint (SIR) system. Refer
to SIR Disabling and Enabling.
CAUTION:
Refer to SIR Caution .
1
Supplemental Inflatable Restraint Instrument Panel Module Disable Switch
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
Fig. 23: Inflatable Restraint Roof Side Rail Module Replacement (Crew 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 and rear door sill plate. Refer to Front Side Door Sill Plate
Replacement (Regular Cab/Crew Cab) or Front Side Door Sill Plate
Replacement (Extended Cab) and Rear Side Door Sill Plate Replacement
(Extended Cab) or Rear Side Door Sill Plate Replacement (Crew Cab) .
3. Remove the center pillar lower molding. Refer to Center Pillar Lower Garnish
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
Molding Replacement .
4. Remove the center pillar upper molding. Refer to Center Pillar Upper Garnish
Molding Replacement .
5. Remove the rear window lower trim panel. 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) .
6. 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) .
7. Remove the rear assist handle. Refer to Roof Rail Rear Assist Handle
Replacement .
8. Remove the front assist handle (passenger side only). Refer to Front Assist Handle
Replacement .
9. Remove the windshield garnish molding. Refer to Windshield Pillar Garnish
Molding Replacement .
10. Lower the 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: 10)
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.
NOTE:
Refer to Fastener Notice .
2008 Chevrolet Silverado 1500
2008 RESTRAINTS Supplemental Inflatable Restraints - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra &
Silverado