Section 03-04B: Fuel Charging and Controls, 5.0L and 5.8L Engines
1996 Vehicles Equipped with 5.0L and 5.8L SFI V-8 Engines Workshop Manual
REMOVAL AND INSTALLATION

Fuel Pressure Regulator

Removal

  1. Perform Pre-Service procedures as described in Fuel Charging System in the Removal and Installation portion of this section.

  1. Remove vacuum tube at fuel pressure regulator (9C968).

  1. Remove two Allen head retaining screws from regulator housing.

  1. Remove fuel pressure regulator, return seal and both O-rings. Discard return seal and inspect O-rings for signs of cracks or deterioration.

  1. If scraping is necessary, be careful not to damage fuel pressure regulator or fuel supply line O-ring mating surfaces.

Installation

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

    Lubricate fuel pressure regulator O-ring with XO-10W30-QSP or equivalent oil meeting Ford specification ESE-M2C153-E.

  1. Make sure O-ring surfaces of fuel pressure regulator and fuel injection supply manifold (9F792) are clean.

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

  1. Install fuel pressure regulator on fuel injection supply manifold. Tighten two retaining screws to 3-5 Nm (27-44 lb-in).

  1. Install vacuum tube to fuel pressure regulator.

  1. Perform Post-Service procedures as described in Fuel Charging System in the Removal and Installation portion of this section.