DaveP6999 said:I had a Bravada with a 'noise' sort of as you describe. Didn't do it every time, but when it did, it was LOUD.
It was because the viscous clutch was starting to seize. On takeoff, or a reverse-to-forward shift, it would really 'pop', because the drivetrain was all loaded up. When the v-clutch 'un-stuck', it would release a lot of energy, hence the noise.
Try driving a few days with the front drive shaft removed, and see if it goes away...