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 ...

British sports-car owners expect to see oil spots on their concrete. Like fast food and cholesterol, this comes with the territory. Fortunately, American engine-sealing technology makes newer Detroit ...

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 ...