As I promised to update on this matter here it comes!!. I had ordered two new hub adjusting nuts because the ones in there looked damaged by being tightened with a punch and hammer and I also ordered a special spanner wrench or ''socket'' to remove and replace those bearing hubs, I then proceeded to torque them to 235 ft pounds then rotate them clock and counter clock wise a few times then back to 95 ft pounds..the issue is still present.

After further investigation I was told that drive unit had been dropped and rebuild twice by the same tech , I was told after rebuild the truck speed was significantly decreased by half. I contacted the tech who performed the job and he sounded like he did not pay attention to detail at the service manual and use the right torque on the job.


My next step is to try to reach those two adjustment cups ( differential and second reduction gear and properly seat them , I think I can get to them without dropping the whole assembly...I will post when this gets done!!