03 envoy xl. Driving down the road, set cruise at 60. Out of nowhere,high rev, wierd noise, no gear. Pulled over, checked trans fluid. Fluid clean, looks good. Turned back on, from park to drive, no gear with noise. From neutral to D, no noise truck into gear. 5min, same issue, repeat. Any clues? I really need some good news.5403407934zach