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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 376 (SEAT SYSTEM)REPAIR INSTRUCTIONSLUMBAR SUPPORT CABLE REPLACEMENT (LUXURY (Y91))REMOVAL PROCEDURE
1999 GMC Forward Control 5.7 R, Automatic

Removal Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal Procedure
WARNING: This page is about a different car, the 2002 GMC Savana Special, 2002 GMC Savana Camper Special, 2002 GMC Savana, and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the bucket seat from the vehicle. Refer to Seat Replacement - Bucket (All Except Luxury)  or Seat Replacement - Bucket (Luxury Y91)  .
  2. Remove the seat back cover and pad from the seat back frame. Refer to Seat Back Cover and Pad Replacement - Front (All Except Luxury)  or Seat Back Cover and Pad Replacement - Front (Luxury Y91)  .
  3. Disconnect the lumbar plate cable (1) from the lumbar plate.
    Fig 1: Disconnecting Lumbar Plate Cable From Lumbar Plate
    G01737212Courtesy of GENERAL MOTORS CORP.
  4. Pull rearward on the lumbar plate corners to release it from the seat back frame.
    Fig 2: Releasing Lumbar Plate From Seat Back Frame
    G01737213Courtesy of GENERAL MOTORS CORP.
  5. Remove the lumbar plate from the seat back frame.
  6. Remove the bucket seat cushion cover and pad. Refer to Seat Cushion Cover Replacement - Front (All Except Luxury)  or Seat Cushion Cover Replacement - Front (Luxury Y91)  .
    Fig 3: Removing Lumbar Plate From Seat Back Frame
    G01737214Courtesy of GENERAL MOTORS CORP.
  7. Remove the lumbar support cable clip.
  8. Remove the lumbar support cable from the side of the bucket seat cushion frame.
    Fig 4: Removing Lumbar Support Cable Clip & Cable
    G01737215Courtesy of GENERAL MOTORS CORP.
  9. Remove the lumbar support cable and housing from the bucket seat cushion frame.
Fig 5: Removing Lumbar Support Cable & Housing
G01737216Courtesy of GENERAL MOTORS CORP.
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.