[Paintwerks]

Hi all,
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I unfortunately have a fuel leak on the Proflow fitting on the exit of the second fuel filter (after the twin GS342 Walbro pumps).
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If I disconnect the fuel line to replace the fitting am I going to have to contend with a 68 litre fuel flood all over my workshop floor, or will the (switched off) pumps stop the flow from the freshly-filled fuel tank and all I'll lose is the minimal quantity of what's in the lines and filter?

If the former，how does one go about changing the fitting without draining the fuel tank?

Thanks in advance for any assistance.

Sime