To answer Mike’s questions, let us first return to the basics. A rear main seal, or crankshaft seal as it is commonly referred to, is a big, round rubber seal between the engine and transmission. The ...

Technology has continually improved the way that auto manufacturers seal their engines. Yesterday, gaskets constructed of cork or paper, and packed-rope rear main seals were commonplace. Today, Teflon ...

“A repair sleeve will fix the end of your harmonic balancer. No need to buy a new one,” Bob Becker said. I had to be persuaded. A new part almost always sounds better to me than a repaired part. The ...