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Message: <blockquote data-quote="wneumann2" data-source="post: 21000" data-attributes="member: 7672"><p>I recently replaced the timing chain on my 2012 Equinox with a Cloyes kit and have the exact same issue you do. It sounds smooth when it starts up, but once it warms up, ESPECIALLY when it is in Drive or Reverse, it rattles and runs kind of rough. My original issue was timing chain noise due to a failed tensioner, so I replaced the timing chain, guides, timing chain tensioner, and the balance chain tensioner as preventative maintenance. Balance chain otherwise looks fine, although who knows if it's stretched. I did not replace the phasers, but that's because there is no play in them. [USER=7567]@eden610[/USER] does your noise become louder in Drive and Reverse?</p></blockquote><p></p>