I have what I would describe as a light growl when there is no load while coasting at highway speeds. It goes away under the slightest acceleration or deceleration when there is a load applied. Climbed under it and grabbed the driveshaft looking for a cause. I noticed a slight amount of play in the front output shaft of the transfer case. No oil leak, however. Think this is the cause? The t-case only has 68,000 miles on it from new and until a couple thousand miles ago was attached to an automatic that almost never was in 4wd.
Any thoughts?
Any thoughts?