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.

Important:Β 

  • The nuts that retain the rear passenger seat floor rail on the left hand side of the vehicle can be accessed from underneath the vehicle.
  • The right hand side rear passenger seat floor rails are similar, but require that the heat shields be removed for access to the floor rail nuts.
  • The 12 passenger extended van and the 15 passenger van reinforcements are used along with the rear seat floor rails. The reinforcements are installed on the underside of the vehicle to the floor rail studs, and held in place by the floor rail retaining nuts. If you remove the reinforcements, reinstall the reinforcements.
  1. Remove the rear passenger seats from the vehicle. Refer to Seat Replacement - Rear Bench (All Except Luxury)Β  or Seat Replacement - Rear Bench (Luxury Y91)Β  .
  2. Raise the vehicle and support the vehicle with safety stands.
  3. Remove the spare tire from the vehicle.
  4. Remove the heat shields from the vehicle. Refer to EXHAUST HEAT SHIELD REPLACEMENT - BODY PANEL .
  5. Remove the nuts (3) that retain the floor rail to the floor of the vehicle.
  6. Fig 1: Removing Nuts Retaining Floor Rail To Floor
    G01737293Courtesy of GENERAL MOTORS CORP.
  7. Remove the rear seat track reinforcements from the seat track studs (12 and 15 Passenger).
  8. Lower the vehicle.
    Fig 2: Removing Rear Seat Track Reinforcements From Seat Track Studs
    G01737294Courtesy of GENERAL MOTORS CORP.
  9. Remove the rear floor mat/carpet. Refer to MAT/CARPET REPLACEMENT - REAR FLOOR (PASSENGER MODELS) or MAT/CARPET REPLACEMENT - REAR FLOOR (CARGO MODELS) .
    Fig 3: Removing Floor Rail & Nuts
    G01737295Courtesy of GENERAL MOTORS CORP.
  10. Remove the floor rail (1, 2) from the vehicle.
Fig 4: Installing Floor Rail
G01737296Courtesy 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:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.