Ok so just had a service. Gen fuel filter from Dan, noticed a leak after a week or so from the bottom fitting. They couldn't see anything wrong , put it back then ok for a couple of weeks then dripping again. Was getting a diagnostic at an indie today, asked them to have a look, they fitted another new one, just got home and noticed it's leaking too. I know this isn't rocket science so WTF is happening? 2nd mechanic did mention there are a couple of notches in the lower o ring that might have caused the issue? Not sure what to think, input appreciated as rather frustrated now...

So he put damaged "O" rings back on a fuel filter...

Was he the cleaner then because I can't see a mechanic doing that.... Oh wait, yes I can....

Can I suggest new "O" rings will sort it out....  Pete

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2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

I've got the old one off and in the boot, I'll see if I can see what he was on about tomorrow