A little while back my radiator hose bursted and I replaced it on my own. Now, however, I seem to have a leak. Every day I have to add a little bit of water to the system, and it seems to be about the same amount each day. For some reason this seems to be regardless of whether or not I drive the car or just let it sit there for a day or two. Like it says in the manual I've been filling the radiator with coolant/water up to the neck, but when I open it up to check the cooland is a a little below the neck area. Anyways, can someone tell me if this is normal, or if I need to take my car to the shop to get it checked out?