GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 S10 - Electric 🢒 Restraints 🢒 SIR 🢒 Steering Wheel Inflatable Restraint Module Replacement

Removal Procedure
  1. Disable the SIR system. Refer to Disabling the SIR System .
  2. Turn the ignition switch to the ON position to unlock the steering wheel.
  3. Turn the steering wheel 90 degrees so the side of the SIR module is at the 12 o'clock position in order to gain access to the access holes behind the steering wheel.
  4. Insert a screwdriver into each access hole and push the leaf spring in order to release the notched pin that retains the inflator module.
  5. Turn the steering wheel 180 degrees to gain access to the remaining access holes.
  6. Insert a screwdriver into each access hole and push the leaf spring in order to release the notched pin that retains the inflator module.
  7. Tilt the top of the inflator module rearward in order to gain access to the SIR wiring.
  8. Disconnect the SIR lead wire from the clip on the inflator module.
  9. Disconnect the SIR lead wire from the clip on the steering wheel.
  10. Disconnect the connector position assurance (CPA) retainer.
  11. Disconnect the electrical connector.
  12. Remove the inflator module.
  13. Fully deploy the module before disposal. If the module was replaced under warranty, fully deploy and dispose of the module after the required retention period. Refer to Inflator Module Handling, Shipping, and Scrapping .

Installation Procedure
  1. Connect the SIR electrical connector.
  2. Connect the connector position assurance (CPA) retainer to the SIR connector.
  3. Connect the SIR lead wire from the clip on the steering wheel.
  4. Connect the SIR lead wire from the clip on the inflator module.

    5. Important: Ensure that the SIR wires do not get pinched during installation of the inflator module.

  5. Press the inflator module into the steering wheel firmly enough that the module engages and latches the notched pins in the leaf springs.
  6. Rotate the steering wheel back into the straight position.
  7. Enable the SIR system. Refer to Enabling the SIR System .