Fuel Pressure Regulator: Service and Repair

Fuel Supply Manifold - Exploded View:

REMOVAL
1. Depressurize the fuel system at the pressure relief valve on the fuel injection manifold.
2. Remove vacuum line at pressure regulator.
3. Remove three retaining screws from regulator housing and discard.
4. Remove pressure regulator assembly, gasket and O-ring. Discard gasket and O-ring.

NOTE: If scraping is necessary, be careful not to damage fuel pressure regulator or fuel supply line gasket surfaces.

INSTALLATION
1. Lubricate new fuel pressure regulator O-rings.
2. Ensure gasket surfaces of fuel pressure regulator and fuel injection manifold are clean.
3. Install new O-ring and new gasket on regulator.
4. Install fuel pressure regulator on injector manifold using three new retaining screws. Tighten retaining screws to 3.0-4.5 Nm (27-40 in lb).