New to MB, trying to get all of the maintenance issues that I'm sure haven't been done properly by the PO. There is a recommendation to change out the fuel filters after performing the diesel purge. I don't understand why this would be important, since the cleaning that takes place by a diesel purge is in the combustion portion of the engine, not the fuel lines itself, therefore there shouldn't be anything that is knocked loose to float downstream and clog the filters, right? Is that recommendation then just based on forming good habits, to change the filters often? Can I do a purge now that I have just replaced the fuel filter and not have to replace it again? How often should I replace the fuel filter? Thanks, Alex

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"Frau Blue Car" 1980 240D think Frau Bluker, cue the horses, formerly known as "China" from JimmyL
"Gunther" 1982 300D.....Turbo!! A/C!! Sunroof!!
"Fraulein" 1975 240D----Donated to NPR