» » »

Hyundai Q&A

Ask Your Question

2003 Hyundai Elantra Question: crank shaft seal dislodged and leaking oil



tune and shine, Amelia, OH, October 07, 2009, 12:01

What would cause this

1 Answer
Flag This
  • Answer #1

    patrick mannion from Greg Solow's Engine Room, October 07, 2009, 16:30

    Excess crankcase pressure due to a restricted PCV valve could cause this or a kinked or restricted PCV hose. if the engine crank "breath" it will develop pressure internally and cause several engine oil leaks. Could the seal just got hard and brittle due to age?

    Flag This