Fuel Pressure Regulator: Service and Repair

Fuel Rail Assembly:

REMOVAL

1. Depressurized the fuel system by removing fuel tank cap and releasing pressure at pressure relief valve on fuel injection manifold.
2. Remove three bolts retaining fuel supply manifold shield and remove shield.
3. Remove vacuum line at pressure regulator.
4. Remove three retaining screws from regulator housing and discard.
5. Remove pressure regulator assembly, gasket and O-ring. Discard gasket and O-ring.
NOTE: Be careful not to damage fuel pressure regulator or fuel supply line gasket surfaces.

INSTALLATION

1. Lubricate new fuel pressure regulator O-ring with light oil.
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 injection manifold, using three new retaining screws. Tighten retaining screws to 27-40 lb. in. (3.0-4.5 N-m).
5. Install vacuum line at fuel supply manifold.
6. Install fuel supply manifold shield. Tighten retaining bolts to 15-22 lb. ft. (20-30 N-m).