We pay mechanics to work on our cars because they have the tools space and most importantly the know-how. For those of us that have some tools have a garage and some free time those brave enough to work on their own cars without any or limited mechanical know how go to the auto parts store and obtain a manual for their vehicle, this manual guides the do It yourselfer through basic as well as advanced repair and maintenance. This does not make it easy and you will be stumped here and there but you will have a basis for your questions to ask other friends who maybe know more about cars. Complexity is much more workable than mystery and right now you are off track trying to guess what the yellow book might say when you could obtain one at a small cost