Reply to "EUCLID EH1600 - Differential Pinion Bearing Failure"

danvaughanMember

I just ran across your post. We rebuild many differentials for Euclid trucks. This is probably the rear pinion bearing that is the problem. They get a little loose after they run so you have to go in and readjust the pinion after about 2000 to 3000 hours. Check the end play with a prybar and a dial indicator. We will readjust if we see more than .005 end play. Remove shims as necessary. This should carry you to 12000 hours. The bearing loosening results in the cage breaking and then it is all downhill. The wear on half of the bearing is due to the loading of the differential. If the bearing is loose it will wear on the torque side of the bearing.

Dan
USA

5/8/091:03 PM

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