Fuel Rail: Service and Repair

REMOVAL

1. Remove upper intake manifold.

2. Remove fuel line-to-fuel supply manifold retainer clips.

3. Disconnect vacuum hose at fuel pressure regulator.

4. Relieve fuel system pressure before disconnecting coupling.

5. Using Spring Lock Coupling Disconnect Tool, disconnect fuel hoses at the fuel rail supply tube and fuel rail return tube.

6. Remove four fuel supply manifold retaining bolts.

7. Carefully disengage fuel injection supply manifold from fuel injectors and remove fuel injection supply manifold.

INSTALLATION

1. Make sure injector caps are clean and free of contamination.

2. Place the fuel injection supply manifold over each of the fuel injectors and seat fuel injectors into fuel injection supply manifold. Make sure fuel injectors are properly seated.

3. Secure fuel injection supply manifold using four retaining bolts. Tighten to 8-12 Nm (71-106 lb in).

4. Connect fuel inlet and outlet lines at fuel supply manifold connections. Push in to connect.

5. Install fuel line-to-fuel supply manifold retaining clips.

6. Connect vacuum hose to fuel pressure regulator.

7. Install upper intake manifold.