Fuel Pressure Regulator: Installation

Apply light coat of gasoline on NEW "O" rings and install "O" rings on fuel pressure regulator and fuel filter. Install fuel filter on fuel pressure regulator. Ensure fuel filter rotates smoothly on fuel pressure regulator. If fuel filter fails to rotate smoothly, check for improper "O" ring installation.
Install and tighten fuel filter-to-fuel pressure regulator retaining screw to specification. See TORQUE SPECIFICATIONS .
Install fuel pressure regulator on fuel pump mounting bracket. Ensure fuel pressure regulator rotates smoothly in fuel pump mounting bracket and sits flat against surface of fuel pump mounting bracket. If fuel pressure regulator fails to rotate smoothly, check for improper "O" ring installation. Reinstall fuel pump using proper procedure.

Apply light coat of gasoline on NEW "O" ring and install "O" ring on fuel pressure regulator. Install fuel pressure regulator on fuel rail. Ensure fuel pressure regulator rotates smoothly on fuel rail and sits flat against surface of fuel rail. If fuel pressure regulator fails to rotate smoothly, check for improper "O" ring installation.
Install and tighten fuel pressure regulator bolts to specification. See TORQUE SPECIFICATIONS . Using NEW gaskets, install fuel return pipe on fuel pressure regulator. Tighten fuel return pipe-to-fuel pressure regulator union bolt to specification. See TORQUE SPECIFICATIONS .
Operate fuel pump and check for fuel leaks. See FUEL PUMP OPERATION under FUEL SYSTEM in appropriate BASIC TESTING article.

Fig 1: Locating Fuel Pressure Regulator (Turbo)