Hi I am currently in the process of dropping my tank to change the pump, I know it's easier to cut an access hole but want to clean tank too, anyway in RAVE it says disconnect fuel line just forward of fuel tank, it's a diesel p38, there are connection here but can't see how to disconnect. There is a collar with two wee push lugs which will slide up the pipe but the connection still won't come apart. Am I doing something wrong or is it just stiff.
Thanks in advance

You're doing the right thing, it's probably just 'seized' on with age.