Does the 2008 Audi A6 3.2 Have a timing belt or chain?

The 2008 AudiA6 3.1 L V6 has a timing chain to synC-HRonize the position of the crankshaft and camshaft. As the crankshaft turns, the pistons will move up and down. The cam shaft controls the opening and closing of the intake and exhaust valves. As the piston raises, the intake valve opens allowing the air/fuel mixture to enter the cylinder chamber. The valve closes and the gas is compressed and the ignited by the spark plug. The burning of the fuel causes the piston to move back down in the block. The exhaust valve opens, allowing the burnt gas to exit the engine and out the exhaust pipe. If the position of the cam and crank are off, the engine will mIS Fire and might not start.