What to do if your transfer case output shaft seal is leaking?
Look at the transfer case output shaft seal to see any leaking gear oil. If your vehicle continues to leak oil from the transfer case after replacing the transfer case output shaft seal, then you may need to get a professional to take a look at the transfer case.
What kind of seal is on transfer case?
The seal is stationary on the transfer case housing, but the inside of the seal must withstand rotational direction movements along with lateral movements. The seal is known as a dynamic seal. There are two common types of seals:
What causes oil to leak from output shaft seal?
When the seal is hard, bending the seal will allow fluid to escape the transfer case and allow dirt, debris, and water to enter into the transfer case. The most common sign of output shaft seal failure is the drip of gear oil leaking from the seal.
What are the symptoms of a bad transfer case output shaft?
Common signs include difficulty shifting gears, grinding noises coming from underneath the vehicle, and jumping in and out of four-wheel drive. What is the transfer case output shaft seal?
Why do you need a transfer case output seal?
The purpose of the transfer case output seal is to prevent fluid from leaking out of transmission, where the transfer case is connected by way of the transmission’s input shaft. The seal also helps to keep fluid from leaking out of the front and rear output shaft to the differentials,…
Why is my transfer case output shaft leaking?
The seal also helps to keep fluid from leaking out of the front and rear output shaft to the differentials, which keeps all metal components properly lubricated for extended use. If the seals leak, fluid escapes and is no longer able to properly lubricate the interior components of the transfer case.
What to do if your front transfer case seal is leaking?
If you find that your front transfer case seal is leaking, or perhaps having another issue, have the vehicle inspected by a professional technician, such as one from YourMechanic, to determine if the seal should be replaced. The most popular service booked by readers of this article is Vehicle Drivetrain Inspection.
Why is there a seal on the output shaft?
The purpose of the output seal is to prevent fluid from leaking out of the transmission, where it connects to the transfer case. The seal also prevents fluid from leaking out of the front and rear output shafts to the differentials. This helps to keep the metal parts properly lubricated for long term use.