Installation Procedure
WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.
- Install the following parts onto the fuel pressure regulator (9), if necessary.
- Backup ring (10)
- Regulator seal O-ring (11)
- Regulator filter (12)
- Regulator seal O-ring (13)
- Lubricate the fuel pressure regulator large O-rings (11, 13) with clean engine oil.
- Install the fuel pressure regulator (9).
- Install a NEW fuel pressure regulator retainer (8).
- Connect the fuel pressure regulator vacuum line.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
- Install the fuel fill cap.
- Inspect for leaks.
- Turn the ignition ON, for 2 seconds.
- Turn the ignition OFF for 10 seconds.
- Turn the ignition ON.
- Inspect for fuel leaks.