GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2000 🢒 Astro - 2WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Fuel Hose/Pipes Assembly Replacement

Fuel Hose/Pipes Assembly Replacement Fuel Tank

Removal Procedure

    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. Remove the fuel filler cap.
  3. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  4. Drain the fuel tank. Refer to Fuel Tank Draining .

    5. Object Number: 595131 Size: SH
  5. Disconnect the fuel return (4), fuel feed (6), and EVAP line (7) from the fuel tank lines (5). Refer to Plastic Collar Quick Connect Fitting Service .
  6. Drain gasoline from pipes into an approved container.
  7. Remove the fuel tank. Refer to Fuel Tank Replacement .

    8. Object Number: 597097 Size: SH
  8. Remove the fuel and EVAP lines (1) from the fuel tank sending unit (2). Refer to Plastic Collar Quick Connect Fitting Service .

Installation Procedure

    Object Number: 597097 Size: SH

    Caution: Always apply a few drops of clean engine oil to the male pipe ends before connecting the fuel pipe fittings in order to reduce the risk of fire and personal injury. This will ensure proper reconnection and prevent a possible fuel leak. During normal operation, the O-rings located in the female connector will swell and may prevent proper reconnection if not lubricated.

  1. Install fuel and EVAP lines (1) to the fuel tank sending unit (2). Refer to Plastic Collar Quick Connect Fitting Service .
  2. Install the fuel tank. Refer to Fuel Tank Replacement .

    3. Object Number: 595131 Size: SH
  3. Connect the fuel return (4), fuel feed (6), and EVAP line (7) to the fuel tank lines (5). Refer to Plastic Collar Quick Connect Fitting Service .
  4. Tighten the fuel filler cap.
  5. Connect the negative battery cable.
  6. Inspect for a fuel leak.
    7. 6.1. Turn ON the ignition for 2 seconds.
    6.2. Turn OFF the ignition for 10 seconds.
    6.3. Turn ON the ignition.
    6.4. Inspect for fuel leaks.