When to change transfer case fluid in 4 wheel drive?
When a vehicle is used for towing or is in four-wheel drive frequently, the transfer case fluid is cycled through the system more often. These actions require more torque, which means more heat to transfer. So, while it may be tempting to wait until 70,000 miles (or more) to change the transfer case fluid,…
How many times has the GMC Sierra 1500 been recalled?
The 2016 GMC Sierra 1500 has been recalled 5 times by NHTSA. View Recalls Reliability indicates how models have performed in the past, providing the basis for predicting how the vehicles will hold up in the year ahead. These charts provide the most comprehensive reliability information available to consumers.
What is the transfer case fluid?
Transfer case fluid is either synthetic or traditional gear oil, but like many vehicles, certain vehicles need certain types of transfer case fluids. It removes heat and lubricates the internal parts in the transfer case, keeping its gears cool and turning smoothly.
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 an output shaft seal to fail?
The most common sign of output shaft seal failure is the drip of gear oil leaking from the seal. Other signs are slight whining noises that occur when the output shaft is in motion. In many cases, these noises are caused by the reduction of lubricants inside the transfer case or metal-to-metal grinding.
How does a four wheel drive shaft attach to a transfer case?
Some drive shafts on four-wheel drive vehicles are made of two pieces with a front slip yoke and some are two pieces with a center slip yoke. The two-piece drive shaft with a center yoke attaches to a bolted on, built-in yoke sleeve into the transfer case. The yoke sleeve is put into the transfer case with a snap ring to hold it on.