SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 684 (POWER SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT BACK FRAME REPLACEMENT - FRONTREMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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 - Front Bucket .
  2. Remove the head restraint and guides. Refer to Head Restraint Replacement (Non-Cadillac)  or Head Restraint Replacement (Cadillac)  or Head Restraint Replacement (Folding) .
  3. Remove the seat trim panel. Refer to Trim Panel Replacement - Front Seat .
    4. Fig 1: View Of Lumbar Cable And Front Seat Cushion Frame Components
    GM407184Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the lumbar cable (6) underneath the seat cushion (disconnect the lumbar wire harness if equipped with power lumbar).
  5. Remove the seat back trim cover and pad. Refer to Seat Back Cover and Pad Replacement - Front .
  6. Remove the lumbar assembly (or power lumbar/bolster assembly if equipped). Refer to Lumbar Replacement - Front Seat (Manual)  or Lumbar Replacement - Front Seat (Power Lumbar/Bolster) .
  7. Remove the seat belt retractor. Refer to SEAT BELT RETRACTOR REPLACEMENT - LEFT FRONT or SEAT BELT RETRACTOR REPLACEMENT - RIGHT FRONT .
    8. Fig 2: Removing Inboard Pivot Bolt & Recliner Arm Attachment Bolts
    GM386187Courtesy of GENERAL MOTORS CORP.
  8. Remove the inboard pivot bolt (1).
  9. Remove the recliner arm attachment bolts (2).
  10. Remove the frame from the vehicle.
  11. Transfer all necessary components to the new seat back frame.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote Shield Pro

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.