Valve cover and timing cover gaskets are small parts with big jobs — keeping oil in and contaminants out. Knowing when they fail, how to replace them, and which sealants to use can save you from ...

A clever invention, it's called a harmonic balancer repair sleeve, or "seal saver," and not only is the device a fast, easy, and inexpensive means to rehabilitate a worn-out harmonic balancer, the ...