GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Fuel Pressure Caution in the Preface section.


    Object Number: 1372464  Size: SH
  1. Relieve the fuel pressure. Refer to Fuel Pressure Relief.
  2. Warning: Refer to Battery Disconnect Warning in the Preface section.

  3. Disconnect the negative battery cable.
  4. Disconnect the vacuum hose from the fuel pressure regulator.
  5. Disconnect the fuel return hose from the fuel pressure regulator.

  6. Object Number: 1375560  Size: SH
  7. Disconnect the fuel rail hose.
  8. Remove the fuel pressure regulator.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1372465  Size: SH
  1. Insert the fuel pressure regulator and tighten the retaining bolts to 12 N·m (106 lb in).
  2. Connect the fuel rail hose, the fuel return hose, and the vacuum hose to the fuel pressure regulator.
  3. Connect the negative battery cable.
  4. Perform a leak test of the fuel pressure regulator with the engine OFF and the ignition ON.