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I don't think its the tensioner. Sounds like rod knock but its a little fast, maybe a collapsed lifter. Does it get more pronounced or change when you accelerate from low rpms?
I don't think its the tensioner. Sounds like rod knock but its a little fast, maybe a collapsed lifter. Does it get more pronounced or change when you accelerate from low rpms?
Still having this problem? Sounds like valvetrain noise to me because of how slow the knock is, a given valve is only actuated once every 2 revolutions on a 4 cylinder engine so the knock sounds slower than rod knock, which is also typically not very loud at idle unless it's a severe case. Post a video with some revving to and sustaining of 2,500-4,000rpm or so.
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