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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1320 (SUPPLEMENTAL INFLATABLE RESTRAINT SYSTEM)REPAIR INSTRUCTIONSINFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE 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 2004 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: SDM Assembly And Fasteners
    GM819439Courtesy of GENERAL MOTORS CORP.
  1. Install the SDM assembly (1) into the vehicle, taking care to ensure that the connectors are pointing toward the rear of the vehicle.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the three SDM fasteners (2).

    Tighten:  Tighten the fasteners to 18 N.m (13 lb ft).

  3. Install the SDM electrical connectors.
  4. Install the under seat duct.
  5. Install the center console and then install the rear console. Refer to Console Replacement - Front Floor in Instrument Panel, Gages and Console.
  6. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 4 .
RENDER: 1.0x

NO RELATED

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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.