Air Bag Systems: Service Precautions

SIR Service Precautions

General Service Instructions

Warning

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.

Note: The inflatable restraint sensing and diagnostic module (SDM) maintains a reserved energy supply. The reserved energy supply provides deployment power for the SIR air bags. Deployment power may be available for up to 60 seconds after disconnecting the vehicle power. Disabling the SIR system prevents deployment of the SIR air bags from the reserved energy supply.

Note: The following are general service instructions which must be followed in order to properly repair the vehicle and return it to its original integrity:

* Do not expose air bags to temperatures above 65°C (149°F)
* Verify the correct replacement part number. Do not substitute a component from a different vehicle
* Use only original GM replacement parts available from your authorized GM dealer. Do not use salvaged parts for repairs to the SIR system

Note: Discard any of the following components if it has been dropped from a height of 92 cm (3 ft) or greater:

* SDM
* Passenger instrument panel air bag
* Driver steering wheel air bag
* Driver steering wheel air bag coil
* Roof rail air bags
* Front and /or side impact sensors
* Seat belt anchor and/or retractor pretensioners
* Front seat side air bag