Why do 5.9 Cummins leak oil?
Why do 5.9 Cummins leak oil? Cummins' 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. That's because the pump gets its lubrication via a direct feed from the engine. If the shaft seal fails, the result is an instant high-pressure oil leak. Are there any common oil leaks on a 12V truck? Enter your ride HERE to be a part of this month's Ride of the Month Challenge! wat are some common oil leaks on a 12v? my truck has 211,000 miles and want to know...