Yj Transfer Case Fluid

This is a NP 231 J transfer case and the process I used to change the fluid.

Yj transfer case fluid. Regular dino oil will be fine. That approaches your NP231 comments only backwards. Use 10W-30 FULL SYNTHETIC motor oil Mobil 1 Royal Purple Castrol Valvoline Pennzoil Lucas AMSOIL or any good brand or use GL3 gear oil.

4 Quarts 38 Liters. Its really not bad if your are reasonably mechanically inclined you shouldnt have any problems and the best part is the case can stay in the Jeep. Below are the breakdowns of fluids used for each transfer case.

Regular old Dextron II or Mercon ATF is the correct fluid. In this video i will show you how to change the transfer case fluid in most if not all yj wranglers. 1172020 They insist that the gearbox be filled with 5W30 Motor Oil.

9142011 The one that I just did a clutch job on and replaced seals on the tranny and transfer case is a 92 YJ. Forever as you mentioned I used ATF in the transfer case and got 397000 miles out of it occasionally adding ATF. The Gear Shop will not honor the warranty if the gearbox is not filled 5W30.

Both the AX-5 and AX-15 now call for 10W-30 for the transmission. Replacing this fluid at appropriate intervals can help prevent premature wear and damage caused by contaminated or broken-down fluid. 1192020 Moving on I recently started a new thread titled Transfer Case Gearbox Changed.

The thought that 30 weight motor oil is too light for the transmission is a common misconception. 5050 Mixture of Antifreeze and water. NP231 Transfer Case Front Output Shaft Seal 87-06 Jeep Wrangler YJ.