GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 LeSabre 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Fuel Pressure Service Valve Replacement

Removal Procedure

    Object Number: 12277 Size: SH
  1. Clean the area around the fuel pressure connection.
  2. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  3. Relieve the fuel system pressure. Refer to Fuel Pressure Relief .
  4. Remove the fuel pressure connection cap (3).
  5. Remove the fuel pressure connection valve using a standard valve core removal and installation tool.

Installation Procedure

    Object Number: 12277 Size: SH
  1. Install the fuel pressure connection valve assembly using a standard valve core removal and installation tool.
  2. Install the fuel pressure connection valve cap (3).
  3. Tighten the fuel filler cap.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  5. Perform the following procedure to inspect for leaks:
    6. 5.1. Turn the ignition switch ON for 2 seconds.
    5.2. Turn the ignition switch OFF for 10 seconds.
    5.3. Turn the ignition switch ON.
    5.4. Check for fuel leaks.