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HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 249 (ENGINE CONTROLS - REMOVAL & INSTALLATION)FUEL SYSTEMSFUEL FILLER TUBEREMOVAL
1999 GMC Forward Control 5.7 R, Automatic

Fuel Filler Tube: Removal

1999 GMC Forward Control 5.7 R, AutomaticSECTION Removal
WARNING: This page is about a different car, the 2003 Pontiac Bonneville, 2003 Buick Park Avenue, and 2003 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the fuel tank below the level of the fuel filler hose. See FUEL TANK DRAINING . Raise and support vehicle. Open the fuel filler door and remove fuel filler cap.
  2. Remove the sealing ring from around the fuel filler tube. See Figure. Raise and support the vehicle. Remove the fuel filler tube cover. Remove the bolt from the fuel filler tube ground wire.
  3. Loosen the fuel filler tube hose clamp. Remove the fuel filler tube from the fuel filler hose. If it is necessary to remove the fuel filler hose, remove the fuel tank. See FUEL TANK .
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.