Thanks for taking the time to reply, yes it is a diesel and is a 1995 model. Think we had a couple of seals replaced, so will chck with the garage and investigate the rest. The smell isn't as bad as it was, as some work was done on it, so possibly the unreplaced seals.

We've got a smell of fuel/fumes (could be diesel or oil)in the cab when we first open it up - the smell goes away after very quickly, especially when driving, but am worried about us sleeping in the van - the smell isn't strong, but definitely there. Had a couple of seals changed, and the smell went...