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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1744 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REPAIR INSTRUCTIONSINFLATABLE RESTRAINT SIDE IMPACT SENSOR REPLACEMENTINSTALLATION PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation Procedure
WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: SIS Electrical Connector
    GM977294Courtesy of GENERAL MOTORS CORP.
  1. Remove any dirt, grease, or other contaminants from the mounting surface.
  2. Connect the SIS electrical connector and insert into the connector position assurance (CPA) to secure.
  3. Place the SIS through the access hole in the lock pillar.
    4. NOTE: Refer to Fastener Notice .
  4. Slide the module down and locate the captured fastener in the key slots of the lock pillar.

    Tighten:  Tighten the fastener to 10 N.m (89 lb in).

  5. Install the center pillar lower molding. Refer to Center Pillar Lower Garnish Molding Replacement .
  6. Enable the SIR system. Refer to SIR Disabling and Enabling .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.