Quote Originally Posted by RegalGS98s View Post
Have you tried doing the load test driving with your foot off the gas? If it doesn't make a difference in the noise then to me it would have to point to a transmission problem. I know you changed the axle also, but that should make noise if you're on the gas or not. I assume when you say on the gas, you mean just enough gas to accelerate easily or maintain speed, not a hard acceleration.
I'll try the load tests tonight. I mostly hear the noise at about 1600-1800 RPM.