diesel_guy86 wrote:
You have a rocker/ valve issue. Any more running will make the problem worse.
MAYBE.
Taking the top apart to check the rockers is easier than pulling the whole motor, so I would suggest doing that first anyway. HOWEVER, what you describe sounds suspiciously like my second motor that failed by stuffing the #4 rod through the side of the block after the rod cap left its assigned duty station. I do not know if the bolt backed out due to the main bearing failing, or if the bolt loss was the leading cause and the bearing simply fell into the oil pan with the rod end.
But the noise sounded like it was coming from the top of the motor, and I suspected the #3 cylinder as having either rocker noise or a funky injector. Neither theory panned out and I was at a loss until the engine stalled while idling because it had stuffed the rod.
Just be prepared for the eventuality of pulling the whole block. Any parts you may need can be sourced locally through VMspecialist.co.uk - George is a nice guy that I spoke with a while back.
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