01-31-2006, 11:12 AM
The way I maitence my diffs are new cases every 2 gallons, and about every gallon replace the diff cup and seals. My setup is 30 up front, 10 in the rear. So far my spider gears are still original from 2 years ago, and my big ring gear gets anywere from 5-10 gallons before it breaks. Check the bearings, change the case and cup and seals. And before you install it back on the truck make sure the mesh between all the gears are good. No clicking or binding. It should be able to turn and be completly smooth.