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 ...
My son has a 2011 4x4 diesel Holden Colorado and had the front crankshaft seal replaced as it was leaking. The next day whilst driving the engine developed a knocking noise, leaking oil and a wobbly ...