Hi Josegti, I read your answer as soon as I send it, forgive has not answered you before, first tell you that my truck carries hydropneumatic system, these trucks have a double -body bomb in the brake pedal in which their corresponding piston are hosted and their toric valves, this is changed and the leak disappears, the case is that this last time this did not work, I went to the Iveco and I told me the case and told me that Being such an old卡车戴着炸弹车身的活塞,那里会丢失空气,当我关掉卡车时,我听到剩菜剩饭的空气,我认为这是损坏的空气,我不知道它是否正确,情况是,如果它是泵,它比狗更值得。问候,谢谢