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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 980 (SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT BACK FRAME REPLACEMENT - FRONTINSTALLATION 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 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Position the seat back frame on the seat.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the recliner arm attachment bolts (2).

    Tighten:  Tighten the bolts to 53 N.m (39 lb ft).

  3. Install the inboard pivot bolt (1).

    Tighten:  Tighten the bolt to 35 N.m (26 lb ft).

    4. Fig 1: Removing Front Seat Frame
    GM386187Courtesy of GENERAL MOTORS CORP.
  4. Install the seat belt retractor. Refer to Seat Belt Retractor Replacement - Left Front or Seat Belt Retractor Replacement - Right Front in Seat Belts.
  5. Install the lumbar assembly (or power lumbar/bolster assembly if equipped). Refer to Lumbar Replacement - Front Seat .
  6. Install the seat back trim cover and pad. Refer to Seat Back Cover and Pad Replacement - Front .
  7. Connect the lumbar cable (6) underneath the seat cushion (disconnect the wire harness if equipped with power lumbar).
    8. Fig 2: View Of Lumbar Cable And Front Seat Cushion Frame Components
    GM407184Courtesy of GENERAL MOTORS CORP.
  8. Install the seat trim panel. Refer to Trim Panel Replacement - Front Seat .
  9. Install the head restraint and guides. Refer to Head Restraint Replacement .
  10. Install the seat into the vehicle. Refer to Seat Replacement - Front Bucket .
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.