6.7 cummins front crank seal

The crank seal is an important part of your engine. It is usually made of metal and rubber. Its purpose is to seal the end of the crankshaft. The crank seal keeps the oil in, while keeping dirt and debris out. If the seal fails, it will result in a leak.The crankshaft is supported by main bearings, which receive oil to lubricate the crankshaft. The rear main seal prevents oil from getting out of the crankcase and into the transmission housing. The gasket is made of rubber and can easily deteriorate, leading to oil leaks.

The crank seal is an important part of your engine. It is usually made of metal and rubber. Its purpose is to seal the end of the crankshaft. The crank seal keeps the oil in, while keeping dirt and debris out. The experienced Field Service Engineers at Lycoming indicate that a leaking crankshaft oil seal is frequently caused by a restricted breather or an oil-slinger clearance that is too tight. The leak might also be caused by a propeller defect which places an abnormal side load on the crankshaft oil seal.