I had the passenger side axle seal go on Tuesday. The dealership fit me in this morning and had the job done by 1:00. I had them inspect the diff for damage while they had things on the lift as I wanted the fluid changed anyways. They flushed it and reprted back minimal perticulates and that the fluid looked normal. I tow a 7500lb travel trailer and a 2000lb boat quite frequently through the summer. I was quite pleased with the news. FWIW this was the first time the diff fluid was changed in 38,000 miles. When they took it for a test drive a CE light came up and they also had to replace a valve on the evap system. Timing is everything I guess!