There's definitely fluid in the resevoir at least and its just above the max line.

I'm kinda okay with the spanners, or at least I think logically enough to work on things I don't understand.

Short of pulling off the hoses (I had a look but not sure if this is possible) and pressing the button to see whether or not it squirts hydrolic fluid is there any other way of testing whether or not it is the pump or the pistons?

Also is this hydrolic fluid as nasty to paint work as brake fluid is?

Benji