Does the 2005 Cadillac DeVille have a timing belt or chain?

The 2005 Cadillac DeVille is equipped with a timing chain. Unlike a belt, which requires routine replacement, a chain is designed to last the life of the vehicle. However, there are exceptions. This part is quite similar to a bicycle chain. If You can picture how the chain moves while the bike is in motion, it interacts with other components. Without the chain, the bike won't work. In a vehicle, the timing chain synC-HRonizes the camshaft and crankshaft sprockets. These control the opening and closing of intake and exhaust valves. So, if it gets loose or breaks, expensive engine damage can be resulted. A worn one will usually cause a slapping noise that You can especially hear when You firSTStart the engine. You may also notice the engine hesitating, stalling, or running rough. In most cases, a rattling sound will be present from pieces breaking off and landing in the oil drain pan, as well.