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Message: <blockquote data-quote="Aussie Nox" data-source="post: 16278" data-attributes="member: 4820">I have a 2018 Diesel that has done approximately 50,000 miles. Over the last 15,000 or so, it has become increasingly noisy in the top-end. Previously I could barely hear the engine at idle (from inside the cabin) now it is rattling like an old clunker.I’m concerned that this is either a problem with the lifters, or the Timing Chain problems I have heard so much about.Is there anything adjustable in the valve train, that they should be servicing?Has anyone had similar problems with this engine?</blockquote>