Series Land Rover (U.S.A./Canada)
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Land Rover Series 1

The Series II and III Land Rover Fuel Pump

A Series I Land Rover has an SU type electrical fuel pump. The mechanical type illustrated above was first introduced with the Series 2 Land Rover and continued throughout to the end of the Series 3 models.

If the engine is suffering symptoms of fuel starvation then the fuel pump could be the cause. The pump is easily removed and can be tested quite easily before stripping it down and using a repair kit if necessary.

If you place a finger tightly over the pump inlet and operate the priming lever by hand then you should feel a strong suction which should be retained for at least several seconds. Similarly, with your finger over the fuel outlet, there should be significant pressure felt when the priming lever is operated. If you then repeat this latter test and then immediately submerge the pump under kerosene, there should be no bubbles observed from around the flange gasket joint. If all seems OK then the fuel starvation of your Series Land Rover is probably not due to the fuel pump.
If pressure is not held in the earlier tests then the fault could be in leaking valves, damaged diaphragm or poorly seated glass reservoir. The standard pump repair kit has replacement parts for each of these.

Useful points to note when installing a Series Land Rover repair kit are:

• To remove the diaphragm, press the metal ccnter whilst turning it 90 degrees
• Press the priming lever before fully tightening the cover screws
• Use a suitable socket to carefully drift in the new inlet and outlet valves
• Ensure the sediment bowl is centralised before tightening the screw
• Do not over tighten the sediment bowl screw
• Take care not to distort the cover when tightening the cover bolts