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 ...

Many modern passenger cars have either a timing belt or a timing chain. Generally speaking, timing belts have the advantage of being quieter and cheaper to produce and replace, while timing chains ...

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 ...