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-   Diesel Discussion (http://www.peachparts.com/shopforum/diesel-discussion/)
-   -   FM100 5 micron before secondary filter? (http://www.peachparts.com/shopforum/diesel-discussion/304383-fm100-5-micron-before-secondary-filter.html)

Diesel911 08-29-2011 11:27 PM
Quote:
Originally Posted by ForcedInduction (Post 2780866)
Right. The lift pump is just a diaphragm and check valves, it doesn't need protection against anything except debris large enough to jam a check valve open.


On top of that statement, 95% of the fuel pumped through the system gets returned to the fuel tank. Its constantly filtering the entire fuel tank so multiple fine filters are not needed.

I thought the Mercedes Fuel Supply/Lift Pumps had a Piston in them?

ForcedInduction 08-29-2011 11:55 PM
You are correct.


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