TSD 4400 Workshop Manual for Rolls-Royce Silver Spirit, Silver Spur, Mulsanne, Corniche, and Mulsanne Turbo (1980)

Fuel System Overview

The fuel system is of the recirculating type, with a fuel tank located between the rear seat and luggage compartment.

The system features a Pierburg rotary vane electric pump, twin SU HIF7 carburettors, and a fuel filter mounted on the centre cross-member.

Important Notes

Only 97 octane (minimum) fuel should be used, and cleaning agents should not be added to the fuel.

The fuel pump will only operate when the engine is being cranked by the starter motor or when there is engine oil pressure.

The check valve allows pressurised fuel to pass to the engine and seals the fuel feed line when the fuel pump is not operating.

Manual:

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Fuel System Overview