Cam belt change on Vauxhall Astra, How often?

I have a 1.7DTi Isuzu engine astra (51 reg) and has done 46k miles. I am aware that for the petrol models the service interval is 40k but how often do the diesels require changing?



Thanks in advance,

James.Cam belt change on Vauxhall Astra, How often?check on link,intervals and prices.

http://www.vauxhallownersnetwork.co.uk/a