dragan when u say a bad hose u mean it may be cracked or broke and can be replaced? is this where you think the air is coming from and causing the pump to stay on? ior its just going out the door soon?i found that the pump runs like it should onstart up but when i shut the car off it continue to run, also found that it wont run when i start the car for a few minutes just to move off the driveway and move back.