How do I know exactly where to turn the timing belt before removing it?

Am I supposed to take the spark blug out closest to the wheel and turn till I seea piston or something. I don't understand what tdc is. I want to make sure I know how to remove and install the timing belt properly.How do I know exactly where to turn the timing belt before removing it?You can start here:



http://www.howstuffworks.com/engine.htm



And finish here:



http://www.autozone.com/servlet/UiBroker



Good LuckHow do I know exactly where to turn the timing belt before removing it?on what type of vehicle?How do I know exactly where to turn the timing belt before removing it?tdc is top dead center.Buy a chilton or haynes manual to get detailed instruction for all repairs on your car.they are about 20-25 dollars and are great.How do I know exactly where to turn the timing belt before removing it?It doesn't matter where the belt is when you remove it. IT DOES matter when you install the new belt. Every car has a slightly different setup so I suggest you get a workshop manual to suit your car. It will explain how to fix everything on your car. Plenty of pictures too.