The rear seal fits snuggly around the rear of the crankshaft and keeps the engine oil from escaping. Over time, the rear main crank seal can become dry and crack or tear, ...

After removing the original crankshaft oil seal from our LS1's rear engine cover, we thoroughly cleaned the cover. We wiped the rear surface of the block using mineral spirits and a lint-free cloth.

Rear Main Seal. 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 ...

Most modern oil seals are composite mechanisms, too, with the elastomer bonded to a metal case that can be pressed into a recess in a crankshaft in an interference fit. Typical radial seal.

The one-piece oil seal design never caught on among racers. It made working on the engine slightly more complicated and required a different design for the crank, block, and oil pan.

Oil spots, coolant leaks, mystery drips, and other tell tale signs of fluids leaving their rightful place in the automobile are a sign to take heed of maintenance. ... Replace Axle And Oil Seals.

Across the engine block are all kinds of different seals: The head gasket sandwiches between the block and cylinder head (where the valves live), the output shaft seal (or, rear crank seal) prevents ...

PLYMOUTH, Mich.—Freudenberg-NOK Sealing Technologies has launched a seal designed to reduce fuel consumption and emissions in automobiles. The firm's Low Emission Sealing Solutions initiative has ...

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 ...