GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2007 🢒 G6 🢒 Engine 🢒 Engine Controls and Fuel - 3.5L 🢒 Fuel Hose/Pipes Replacement - Chassis

Removal Procedure

    Object Number: 1578470 Size: SH
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  3. Disconnect the fuel feed pipe from the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  4. Cap or plug the fuel feed pipe and the fuel rail to in order to system prevent contamination.
  5. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Disconnect the fuel feed pipe quick connect fitting at the fuel tank. Refer to Plastic Collar Quick Connect Fitting Service .
  7. Remove the rear brake pipe bracket nuts and release the brackets from the body studs.
  8. Release the pipe retainers from the vehicle underbody.
  9. Remove the fuel feed pipe from the pipe retainers.
  10. Lower the rear of the pipe while moving the pipe rearward slightly, then lower the front of the pipe.
  11. Remove the fuel feed pipe from the vehicle.

Installation Procedure

    Object Number: 1578470 Size: SH
  1. Position the fuel feed pipe to the vehicle.
  2. With the rear of the pipe positioned slightly rearward and down, raise the front of the pipe into position.
  3. Install the remainder of the pipe into position.
  4. Install the fuel feed pipe to the pipe retainers.
  5. Secure the pipe retainers to the vehicle underbody.
  6. Connect the fuel feed pipe quick connect fitting at the fuel tank. Refer to Plastic Collar Quick Connect Fitting Service .
  7. Lower the vehicle.
  8. Remove the caps or plugs from the fuel pipe and the fuel rail.
  9. Connect the fuel feed pipe to the fuel rail. Refer to Metal Collar Quick Connect Fitting Service .
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  11. Inspect for fuel leaks using the following procedure:
    12. 11.1. Turn ON the ignition, with the engine OFF for 2 seconds.
    11.2. Turn OFF the ignition for 10 seconds.
    11.3. Turn ON the ignition, with the engine OFF.
    11.4. Inspect for fuel leaks.
  12. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .