Fuel Pressure Regulator: Service and Repair

REMOVAL
1. Observe fuel pressure release procedures if removing fuel pressure regulator, while fuel injection supply manifold is installed on engine.
2. Remove engine intake air resonators.
3. Disconnect vacuum line at fuel pressure regulator.
4. Remove Allen head retaining screws from fuel pressure regulator and discard.
5. Remove fuel pressure regulator, return seal and O-rings. Discard return seal and O-rings.

NOTE: If scraping is necessary, be careful not to damage fuel pressure regulator or fuel injection supply manifold sealing surfaces.

INSTALLATION
1. Lubricate new fuel pressure regulator O-rings with clean engine oil X0-10W30-QSP or-DSP or equivalent meeting Ford specification ESE-M2C153-E.

CAUTION: Never use silicone grease. It will clog the fuel injectors.

2. Make sure sealing surfaces of fuel pressure regulator and fuel injection supply manifold are clean.
3. Install new O-rings and new return seal on fuel pressure regulator.
4. Using new Allen head retaining screws, install fuel pressure regulator on fuel injection supply manifold. Tighten retaining screws to 3.0-4.5 N.m (27-40 lb-in).
5. Install vacuum line to the fuel pressure regulator.
6. Install engine intake air resonators.
7. Observe fuel pressure release, post-service procedures as described.