"Well, the idling noise is gone -- but back out of the bay and let's see if that knocking is gone as well." Eric hrmed, eyeing the car, and looked unsurprised when it indeed continued with the dreaded knocking noise upon backing out. "Okay, bring it back in... right, that's the way... well, that's part of the problem solved, at least. Unfortunately, the other part involves dismantling the engine and takes more than a couple of minutes."