sounds like a spun bearing... [Archive] - Toyota MR2 Message Board

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short story is that I just rebuilt my 3sgte (1st build ever) and it has about 300 miles on the motor and the other night it started making a knocking noise from the engine after driving it on the highway. After going through a T/S check list, I believe it is a spun bearing. So today I dropped the pan and checked the rod bearing and they look fine. Well, is it possible for one of the crank bearings to spin out of position? I going to check tonight. If its not a bearing, it has to be in the