How Often Should You Change Your Transfer Case Fluid. Instead of 8W-90 SAE 90 should be the right one in terms of viscosity. If you allow this to happen there is a chance that your vehicle will shudder and cause a failure of the differential.
On there they say to change the differential and transfer case fluid for 4WD models every 15k miles if youre towing a trailer. For you to do this job without too much stress and problems you should. In our opinion even for normal driving conditions the transfer case fluid should be changed at least every 60000-70000 miles or sooner if so recommended in the maintenance schedule.
I am going to change differential and transfer case oil on my own.
It only gives guidance on when to change the fluid for police off-road taxi fleet towing etc. This is due to the placement of the transfer case. Under normal usage it shows that they should last the life of the car. In our opinion even for normal driving conditions the transfer case fluid should be changed at least every 60000-70000 miles or sooner if so recommended in the maintenance schedule.
