oil filter change

Hi folks, I recently bought what I believe to be a 2006 2.5L diesel SWB... it came with absolutely no paperwork! :D I'm totally inept when it comes to vans/cars, but with the help of you guys here on the forum I'm learning slowly. The sticker in the drivers foot well tells me that the engine...

Evening all. Needing to change the oil on my van, the computer at my work lists 5w30 for it. Someone who I know that runs a t4 says to use 10w40, can anyone shed any light on it for me please?? We stock 5w30 but not 10w40 Cheers