Keep reading to find out what a timing chain replacement costs, what kind of help you can expect from your warranty, and what the key differences are between timing chains and timing belts. Luckily, ...

What Does the Timing Belt or Timing Chain Do? On a conventional piston engine — which is found in virtually all modern passenger cars — the up-and-down motion of the pistons turn the crankshaft, and ...

Answer: In general, an engine's timing chain isn't considered a maintenance item. But in high-mileage situations, a chain may indeed stretch and cause problems. I don't know of any GM dealerships ...