What cause the engine to knocking on top of engine
Friday, October 10th, 2008 AT 4:00 AM
1 Reply
2CARPRO JACK
MECHANIC
11,533 POSTS
Valvetrain noise can be caused by alot of things. Broken valve spring, bad lifter, bad rocker arm. Need to locate which side the noise is coming from and remove the valve cover and give it a good look to see if you can notice anything