Right, i was riding my bike and then for some reason when i let go of the front break the lever returned but the piston however did not it seems like the piston is jammed which means the pads are not coming back or anything. Is there anything i can do to fix it, this sucks as its ment to be sold tomorrow. Bhups. P.s it is a 04 lever Edit: I pushed the piston back by un-doing the bit where it attaches to the hose and pushing it back through with a think allen key but it just gets stuck again when you push the lever balde