I removed the fuel sender from my 300D today to send to somebody, and it was so quick and easy that I went ahead and pulled the one from the 240. Cleaned them both. They were slightly crudded up in the bottom, but not bad at all. Definitely have some black debris in the tank of the 240. Time to find some Biobar (I think that is it).
I took pics with the wife's camera, but it won't go as small as 640 X 480. I tried......

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Jimmy L.
'05 Acura TL 6MT
2001 ML430 My Spare

Gone:
'95 E300 188K "Batmobile" Texas Unfriendly Black
'85 300TD 235K "The Wagon" Texas Friendly White
'80 240D 154K "China" Scar engine installed
'81 300TD 240K "Smash"
'80 240D 230K "The Squash"
'81 240D 293K"Scar" Rear ended harder than Elton John