duff brakes

[vodkakid]

every now and then my brakes feel duff, as though your trying to brake without the engine running and its very scary but it doesnt always do it, any ideas
cheers

[vodkakid]

thats the thing i tried that and it seemed ok

[vodkakid]

ok ill look into those

[vodkakid]

could the vacuum be collapsing a pipe

[vodkakid]

go on then flash ya top

[vodkakid]

i didnt get any pics