Guy's, thanks for your help. I don't know if it does it in 2wd or not yet. I was plowing snow yesterday with it and it is still sitting out on the trailer. It is like -10 wind chill out there today and I was going to wait until tomorrow to unload and clean it up. I alway's plow with it in low and had to finish the day plowing in high, (not good) but I have 30 driveways I plow with it and I had to get them all. I plowed all last year and 3 snows so far this year and it has worked awesome. I have been plowing these driveway's for 10 years now. I started with atv's and never had any ploblems with them. I bought the Teryx and it has worked great till this happened. When you plow with atv's/utv's you have to know the limit with them and I am easy on them in that respect. I was listening when it was popping and it sounded for sure in the trans. area. When it pops, you can feel the machine stop it's forward motion at the time of the pop, like a chain slipping a tooth on a sproket kind of thing. Thanks again guy's for any help here. I will check it in 2wd/lo tomorrow.