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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 935 (SEAT SYSTEM)REPAIR INSTRUCTIONSLUMBAR SWITCH REPLACEMENTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 GMC Sonoma, 2003 GMC Jimmy, 2003 Chevrolet S10 Pickup, and 2003 Chevrolet Blazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the seat from the vehicle. Refer to SEAT REPLACEMENT - Bucket  or SEAT REPLACEMENT - Bench .
  2. Remove the 3 screws securing the trim panel to the seat.
    Fig 1: Removing Screws Securing Trim Panel To Seat
    G01478043Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the electrical connector from the switch.
    Fig 2: Disconnecting Electrical Connector From Switch
    G01478044Courtesy of GENERAL MOTORS CORP.
  4. Remove the switch from the trim panel by snapping the switch out of the plastic retaining tabs.
  5. Remove the switch assembly.
    Fig 3: Removing Switch From Trim Panel By Snapping Switch Out Of Plastic Retaining Tabs
    G01478045Courtesy of GENERAL MOTORS CORP.
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.