The timing chain tensioner in the engine in my 2008 Audi A4 B8 sedan has broken with the result that the engine needs new valves, new camshaft and repairs to the head etc. The repair cost is around ...

Your timing belt makes sure the different parts of your engine move in sync, and if it starts to fail, you’ll want to replace it as soon as possible. But what will that cost? Will your warranty help?

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 ...