Fuel Pressure Regulator: Service and Repair
REMOVAL
1. Refer to Fuel Pressure Realease/Service and Repair to properly relieve fuel system pressure.
2. Remove vacuum tube at fuel pressure regulator.
3. Remove two allen head retaining screws from regulator housing.
4. Remove fuel pressure regulator, return seal and both O-rings. Discard return seal and inspect O-rings for signs of cracks or deterioration.
5. If scraping is necessary, be careful not to damage fuel pressure regulator or fuel supply line O-ring mating surfaces.
INSTALLATION
CAUTION: Never use silicone grease. It will clog the injectors.
1. Lubricate fuel pressure regulator O-ring with X0-10W30-QSP or equivalent oil meeting Ford specification ESE-M2C153-E.
2. Make sure O-ring surfaces of fuel pressure regulator and fuel injection supply manifold are clean.
3. Install O-rings and new return seal on fuel pressure regulator.
4. Install fuel pressure regulator on fuel injection supply manifold. Tighten two retaining screws to 3-5 N.m (27-44 lb in).
5. Install vacuum tube to fuel pressure regulator.
6. Refer to Fuel Pressure/Testing and Inspection/Procedures/Fuel Pressure Test to properly restore fuel system pressure.