Fuel pressure regulator (Discovery 1)

1. Relieve residual fuel pressure.

2. Disconnect the battery.

3. Remove the resonance chamber.

4. Disconnect the return fuel line from the regulator.

5. Disconnect the vacuum hose from the regulator.

6. Unscrew the two bolts securing the regulator to the fuel manifold.

7. Remove the pressure regulator.

8. Remove and discard the sealing ring



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9. Installation is carried out in reverse order. Install a new sealing ring on the gearbox and lubricate it with silicone grease.