Installation Procedure

2006 Chevrolet Suburban K2500, 6.0 USECTION 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. Remove the cap from the opening on the fuel tank.
    Fig 1: Fuel Tank Fill Pipe Clamp At The Fuel Tank (Pickup)
    GM1228094Courtesy of GENERAL MOTORS CORP.
  2. Install the fuel tank fill pipe.
  3. Connect the recirculation line to the sending unit. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Tighten the fuel tank fill pipe clamp (1) at the fuel tank.

    Tighten:Β  Tighten the clamp to 2.5 N.m (22 lb in).

  5. Fig 2: Rear Axle Vent Hose (Pickup)
    GM1238157Courtesy of GENERAL MOTORS CORP.
  6. Install the rear axle vent hose to the clip on the fuel fill pipe bracket.
  7. Fig 3: Fuel Tank Fill Pipe Ground Wire (Pickup)
    GM1238144Courtesy of GENERAL MOTORS CORP.
  8. Position the fuel tank fill pipe ground wire and chassis harness ground wire (2).
  9. Install the fuel tank fill pipe ground wire (3) anti-rotation tab into the frame hole.
  10. Install the fuel tank fill pipe ground wire bolt (1).

    Tighten:Β  Tighten the bolt to 9 N.m (80 lb in).

  11. Lower the vehicle.
  12. Fig 4: Identifying Fuel Filler Components
    GM300318Courtesy of GENERAL MOTORS CORP.
  13. Install the fuel tank filler housing.
  14. Install the fuel tank filler housing to fuel tank fill pipe screws.

    Tighten:Β  Tighten the screws to 2.3 N.m (20 lb in).

  15. Fig 5: View Of Fuel Tank Filler Housing To Body Screws & Retainer
    GM853731Courtesy of GENERAL MOTORS CORP.
  16. Install the fuel tank filler housing to body screws (1) and retainer (2).

    Tighten:Β  Tighten the screws to 2.3 N.m (20 lb in).

RENDER: 1.0x

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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.