GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

The fuel pressure connection is non-replaceable, but it is serviceable.

  1. Disconnect the negative battery cable. Refer to

    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.

    in General Information.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .

  3. Object Number: 16872  Size: SH
  4. Remove the fuel pressure connection cap.

  5. Object Number: 16874  Size: SH
  6. Using a standard valve core removal tool, remove the valve core assembly.
  7. Discard the valve core assembly.

Installation Procedure


    Object Number: 16874  Size: SH
  1. Use the standard valve core tool in order to install a new valve core assembly.
  2. Connect the negative battery cable.
  3. Inspect for fuel leaks through the following steps:
  4. 3.1. Turn ON ignition the switch for 2 seconds.
    3.2. Turn the ignition switch to the OFF position for 10 seconds.
    3.3. Turn the ignition switch back eto the ON position.
    3.4. Check for fuel leaks.

    Object Number: 16872  Size: SH
  5. Install the fuel pressure connection cap.