Originally Posted by Mxfrank

BTW...I know you have a 190DT...I've blown two differentials on mine. Something about lots of torque and a very high gear ratio that doesn't play well. Fortunately, I only one lock up, but one was enough for this lifetime. If your diff begins to make odd noises: clicks and thrubbing, don't be thinking that you can wait until Monday to have a look-see.