GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Gasoline/Gasoline Vapors Caution in the Preface section.

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


    Object Number: 893318  Size: SH
  1. Relieve the fuel system pressure. Refer to Fuel System Diagnosis .
  2. Disconnect the vacuum line.
  3. Remove the retaining bolts.
  4. Remove the fuel pressure regulator.

Installation Procedure


    Object Number: 893317  Size: SH

    Important: O-rings must be oiled with clean engine oil and installed into the fuel rail before the fuel pressure regulator is installed.

  1. Install a small, oiled O-ring into the fuel rail.
  2. Install the large, oiled O-ring into the fuel rail.
  3. Install the fuel pressure regulator into the fuel rail.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the retaining bolts.
  6. Tighten
    Tighten the fuel pressure regulator bolts to 5 N·m (44 lb in).

  7. Connect the vacuum line.
  8. Energize the fuel system.
  9. Run the vehicle and inspect for leaks.