GM Service Manual Online
For 1990-2009 cars only

Accident With or Without Air Bag Deployment -- Component Inspections

CAUTION:  Proper operation of the Supplemental Inflatable Restraint (SIR) sensing system requires that any repairs to the vehicle structure return the vehicle structure to the original production configuration. Not properly repairing the vehicle structure could cause non-deployment of the air bag(s) in a frontal collision or deployment of the air bag(s) for conditions less severe than intended.

After any collision, inspect the following components as indicated. If you detect any damage, replace the component. If you detect any damage to the mounting points or mounting hardware, repair the component or replace the hardware as needed.

    • Steering column - Perform the steering column accident damage checking procedures. Refer to Steering Column Accident Damage Inspection - Off Vehicle in Steering Wheel and Column - Tilt.
    • IP Knee Bolsters and Mounting Points - Inspect the knee bolsters for bending, twisting, buckling, or any other type of damage.
    • IP brackets, braces, etc. - Inspect for bending, twisting, buckling, or any other type of damage.
    • Seat Belts - Perform the seat belt operational and functional checks. Refer to Operational and Functional Checks in Seat Belts.
    • IP Cross Car Beam - Inspect for bending, twisting, buckling, or any other type of damage.
    • IP Mounting Points and Brackets - Inspect for bending, twisting, buckling, or any other type of damage.
    • Seats and Seat Mounting Points - Inspect for bending, twisting, buckling, or any other type of damage.

Accident With Frontal Air Bag Deployment -- Component Replacement and Inspections

After a collision involving air bag deployment, replace the following components. If you detect any damage to the mounting points or mounting hardware, repair or replace the mounting points and mounting hardware as needed.

    • Inflatable restraint IP (inflator) module
    • Inflatable restraint steering wheel (inflator) module
    • Inflatable restraint sensing and diagnostic module (SDM)

After a collision involving air bag deployment, inspect the Inflatable restraint steering wheel module coil and the coil wiring pigtail for melting, scorching, or other damage due to excessive heat. Perform this component inspection in addition to the inspections indicated above in Accident With or Without Air Bag Deployment. If you detect any damage, replace the component. If you detect any damage to the mounting points or mounting hardware, repair the component or replace the hardware as needed.