GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Engine 🢒 Engine Controls - 4.8L, 5.3L, and 6.0L 🢒 Filler Tube Replacement

Removal Procedure

    Object Number: 300314 Size: SH

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.
  2. Clean all the fuel pipe and hose connections and the surrounding areas before disconnecting in order to avoid possible contamination of the fuel system.
  3. Remove the fuel filler cap.

    4. Object Number: 300318 Size: SH
  4. Remove the fuel fill pipe housing to fuel fill pipe bolts.
  5. Raise the vehicle.

    6. Object Number: 420291 Size: SH
  6. Disconnect the fuel fill pipe ground strap.

    7. Object Number: 300178 Size: SH
  7. Disconnect the rear axle vent hose from the retainer on the fuel fill pipe
  8. Loosen the fuel fill hose to fuel fill pipe clamp (2).
  9. Disconnect the fuel fill hose (3) from the fuel fill pipe.
  10. Remove the fuel fill pipe.
  11. Cap the open end of the fuel fill hose.

Installation Procedure

    Object Number: 300178 Size: SH
  1. Uncap the fuel fill hose.
  2. Install the fuel fill pipe to the fuel fill hose.

    3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Tighten
    Tighten the fuel fill hose clamp to 2.5 N·m (22 lb in).


    Object Number: 420291 Size: SH
  3. Connect the fuel fill pipe ground strap.
  4. Connect the rear axle vent hose to the retainer on the fuel fill pipe
  5. Lower the vehicle.

    6. Object Number: 300318 Size: SH
  6. Install the fuel fill pipe housing to the fuel fill pipe bolts.

    7. Tighten
    Tighten the fuel fill pipe housing to fuel fill pipe bolts to 2.3 N·m (20 lb in).


    Object Number: 300314 Size: SH
  7. Install the fuel filler cap.
  8. Connect the negative battery cable.