Also wanted to add that I've done a little digging around the G37 forums and have seen quite a few of them suggest servicing the oil galley gaskets as it seems on the earlier vq37's there is an issue with the gaskets that made oil pressure drop low enough to set off this condition. going to be swapping out my water pump this next weekend anyways so i'll try it out and update you guys if that resolves the tapping issue.
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