The rear main seal keeps oil sealed inside the rear of the engine, where the crankshaft connects with the transmission. It can be expensive to repair, often $600 or more, because it typically involves ...

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 ...

Seal SolutionsQ.I'm rebuilding a 322-inch Buick V-8 for my '40 Ford and I'm concerned about the rope-style rear main seal. Some friends claim they leak no matter what you do; others say soaking them ...

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 ...

From engine oil to gas, our vehicles are full of components that need to be carefully maintained and kept in the section of the vehicle where they belong. Leaks, of various sorts, can be very ...