Buying a car calls for proper knowledge about the car and its various parts. If you search online, you can find that there are lots of websites which offer free online auto repair manuals. The arena of these free auto manuals is so vast that you can find your guidance for any kind of car related problem from these online resources. Initially you may face problem to find the right website for the right manual. But once you are used to it, this will be the easiest help for you. There are mainly four kinds of free online auto repair manuals available, repair manuals, general manuals, maintenance manuals and diagnosis descriptions. Just choose the one based on your needs.