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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.
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.
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 ...
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.
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 ...
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