Fuel Pressure Regulator

Removal

1. Perform steps 1 through 4 under Fuel Charging System, Pre-Service Procedures if removing fuel pressure regulator (9C968) while fuel injection supply manifold (9F792) is installed on engine.

2. Remove vacuum line at fuel pressure regulator .

3. Remove two Allen retaining bolts from fuel pressure regulator housing and discard.

4. Remove fuel pressure regulator , fuel pressure regulator return seal and O-rings. Discard fuel pressure regulator return seal and O-rings.

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

Installation

NOTE: Never use silicone grease. Silicone grease will clog the fuel injectors (9F593) .

1. Lubricate new fuel pressure regulator O-rings with light grade engine oil XO-10W30-QSP meeting Ford Specification ESE-M2C153-E or equivalent.

2. Ensure sealing surfaces of fuel pressure regulator and fuel injection supply manifold are clean.

3. Install new O-rings and new fuel pressure regulator return seal on fuel pressure regulator .

4. Using new Allen head retaining bolts, install fuel pressure regulator on fuel injection supply manifold . Tighten retaining bolts to 3.0-4.5 Nm (27-39 lb-in).

5. Install vacuum line to fuel pressure regulator .

6. Perform steps 1 through 6 under Fuel Charging System, Post-Service Procedure.