FOR VAUXHALL ADAM CORSA ASTRA 1.0 B10XFT B10XFL TIMING CHAIN KIT VVT HUB GEARS Your car is either going to have a timing chain or a timing belt, but they are in charge of the same thing: synchronizing the rotation of the crankshaft and the camshaft. The camshaft controls the valves in the cylinder head, making them open and close at the right time while the crankshaft moves the wheels. So what does a timing chain do? It connects and thus coordinates both of these movements and makes sure that the engine works correctly. How do I know if my car has a timing belt or chain? Your car manual will tell you if you are unsure, and while the timing chain and belt do the same job they look quite different. As the name implies, the timing chain is a metal roller chain, similar to a .
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