GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Notice: Clean all of the following areas before performing any disconnections in order to avoid possible contamination in the system:

       • The fuel pipe connections
       • The hose connections
       • The areas surrounding the connections

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  2. Loosen the fuel filler cap to relieve any vapor pressure.
  3. Disconnect the negative battery cable.

  4. Object Number: 1575582  Size: SH
  5. Disconnect the engine compartment fuel feed pipe (1) at the fuel rail.
  6. Cap the fuel pipe to prevent possible fuel system contamination.

Installation Procedure


    Object Number: 1575582  Size: SH
  1. Install the engine compartment fuel feed pipe (1) at the fuel rail.
  2. Install the fuel filler cap.
  3. Inspect for leaks.
  4. Connect the negative battery cable.
  5. 4.1. Turn ON the ignition for 2 seconds.
    4.2. Turn OFF the ignition for 2 seconds.
    4.3. Turn ON the ignition.
    4.4. Inspect for fuel leaks.
  6. Install both engine sight shield covers. Refer to Upper Intake Manifold Sight Shield Replacement .