Replace Lifters

Hi there, I am wondering if anyone has completed this and if you have any information around this? I cannot find much information even on WIS (still figuring it out). I have had an indy look at my 2011 s500 4.7tt, it has a constant tapping sound. On idle and whilst driving usually under load. He thinks it is a lifter causing me grief. So far, I have replaced the check valves, chain tensioner and cam adjuster to no avail. He does believe it is top end though not bottom. Any help would be... Replace Lifters

Hi there,

I am wondering if anyone has completed this and if you have any information around this? I cannot find much information even on WIS (still figuring it out).

I have had an indy look at my 2011 s500 4.7tt, it has a constant tapping sound. On idle and whilst driving usually under load.
He thinks it is a lifter causing me grief.

So far, I have replaced the check valves, chain tensioner and cam adjuster to no avail. He does believe it is top end though not bottom.

Any help would be...

Replace Lifters

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