I put a new the engine in my car 3 days ago and it make a knocking sound at star on 2000 Ford Explorer

when i start the car it makes a knocking sound and it goes away when it wearms up but if I let it sit for 1 hour and start it again it amkes the knocking sound what can be the problem

by in Perris, CA on April 16, 2013
Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
0 answers