Sump drop & clean on a 2001 TiD?

[0191mark]

Is it necessary to drop the sump & sludge clean on a 2001 2.2 TiD, or is that petrol only?

Edited by 0191mark on Thursday 10th December 14:58

[TooLateForAName]

only petrol afaik

[0191mark]

Thanks, finally found a post in a US thread which said the same - but I wouldn't say no to a third opinion