Put in 4 low today when doing a tight turn around in very soft, wet sand and heard a disturbing noise from 4 low. Almost sounded like a universal joint. A unifiorm popping sound that reverberated into T-case shifter. I then accelerated hard in dirt a few times in 4 low...same noise. Almost feels like a skip in gearing /busted gear. 4 high works graet no noise, shifts fine. Should I start saving for new T-Case.