2007 Mazda Mazda6 Q&A
2007 Mazda Mazda6 Question: loud knocking sound in top of engine
Did anything hit the bttom of the oil pan? SOUNDS like it is on the top of engine! - pushrod
seek diag and est as it needs to be looked at to be sure - globalhelper
My 2005 Mazda 6 2.3cylinder 4L. Had a loud ticking from top of engine. I changed the oil every 3000 miles. After the third oil change the loud ticking became a loud knocking. How am i t figure out ...