I have asked the question before and not received a definitive answer from a gm tech or someone with equivalent qualifications.
I have an 01 Jimmy 55,000 mile on it. When the road is wet from steady rain am I going to do any damage by putting the transfer case in Auto 4WD? If it ok when the road wet from rain what about under dry conditions ? I must also say that I am not worried about reducing gas mileage because it stinks as it is now when I keep it in HI 2. I only get 13-14 in city driving with a VERY light touch on the gas peddle.
Thanks Double tap