How Often To Change Transfer Case Fluid. Mike Miller whot writes for Roundel and Bimmermag suggests doing this at 30K intervals. The fill bolt is the hardest to reach due to the exhaust pipe in the way.

It can be left on but the draining of the fluid can be very messy if not removed. I changed mine with synthetic just as I use in my engine. The transfer case fluid is checked via removing a bolt on the back side of the transfer case next to where the driveshaft connects to it.
50000 miles Change immediately if submerged in water.
The transfer case fluid is checked via removing a bolt on the back side of the transfer case next to where the driveshaft connects to it. Replace Transfer Case Fluid. How Often Does My Car Need Transfer Case Fluid Changed. How often should you change transfer case fluid.
