loud knocking sound in top of engine on 2007 Mazda Mazda6

hit a dip in the road and started a knocking sound

by in Colquitt, GA on May 15, 2013
2 answers
ANSWER by , May 16, 2013
Did anything hit the bttom of the oil pan? SOUNDS like it is on the top of engine!
ANSWER by , May 16, 2013
seek diag and est as it needs to be looked at to be sure