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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 382 (ENGINE CONTROLS - 4.3L (INTRODUCTION))REPAIR INSTRUCTIONSFILLER TUBE REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Suburban C1500, 5.3 Z

Installation Procedure

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet 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.
  2. Install the fuel fill pipe to the vehicle and tank.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    3. Fig 1: View Of Fuel Tank Fill Pipe
    GM816694Courtesy of GENERAL MOTORS CORP.
  3. Tighten the fuel tank fill pipe clamp.

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

  4. Install the rear axle vent hose to the clip on the fuel fill pipe bracket.
    5. Fig 2: View Of Rear Axle Vent Hose At Clip On Fuel Fill Pipe Bracket
    GM816707Courtesy of GENERAL MOTORS CORP.
  5. Install the chassis harness ground strap (2) and fuel tank ground strap (4).
  6. Install the fuel tank ground strap (3).

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

    7. Fig 3: View Of EVAP Canister Vent Valve Electrical Connector, Chassis Harness Ground Strap, Fuel Tank Ground Strap Bolt & Fuel Tank Ground Strap
    GM815635Courtesy of GENERAL MOTORS CORP.
  7. Lower the vehicle.
  8. Install the fuel tank filler housing.
  9. Install the fuel tank filler housing to fuel tank fill pipe screws.

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

    10. Fig 4: Identifying Fuel Filler Components
    GM300318Courtesy of GENERAL MOTORS CORP.
  10. Fill the fuel tank, if necessary.
  11. Install the fuel tank filler housing to body screws (1) and retainer (2).

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

    12. Fig 5: View Of Fuel Tank Filler Housing To Body Screws & Retainer
    GM853731Courtesy of GENERAL MOTORS CORP.
  12. Inspect the system for leaks using the following procedure:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
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:

  • • 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.