There are two threads on the same topic. Maybe a mod can merge the two so diagnosis can follow a more unified path.

What might have been disturbed that would cause no start cold and good start hot? Glowplugs or a fuel leak are the only two things that seem possible to me. Don't know why either would have been disturbed by removing the ALDA. I'm still in favor of a compression check before progressing. It will provide information which will be useful in the future even if low compression is not the problem.

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1977 300d 70k--sold 08
1985 300TD 185k+
1984 307d 126k--sold 8/03
1985 409d 65k--sold 06
1984 300SD 315k--daughter's car
1979 300SD 122k--sold 2/11
1999 Fuso FG Expedition Camper
1993 GMC Sierra 6.5 TD 4x4
1982 Bluebird Wanderlodge CAT 3208--Sold 2/13