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On my Universal 5424, bleeding is a 3-step process :

1) The Racor filter (well I have a Fram, but the principle is the same)
2) At the housing for the filter on the engine
3) Finally, and often forgotten, at the bleed screw on the bottom of the fuel injection pump on the engine.

I have an electric lift pump so all I do is step 1 with ignition off, then 2 and 3 with the ignition on. The above order is important, for obvious reasons.

I have personally experienced doing only 1 and 2, and starting the engine, only to have it die. The final step at the injection pump is an essential one.
 

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Splendid! At the heart of the problem is the fact that the high pressure / dosing fuel pump can't tolerate the slightest amount of air in the fuel hence the reason there's a bleed screw on it.
 
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