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Metal in rear end.


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2005 Silverado 2500HD 6.0 utility bed. 10.5in 14 bolt 4.10 gear rear end. I recently acquired this truck and did the rear diff fluid today. When I took the cover off, the magnet was covered in metal. More concerning is there are pieces of metal lying in the bottom. Not teeth, it's almost like a bearing retainer. I've been a mechanic for 14 years but haven't ever messed with inside a rear end. I really just need help to identify the broken pieces so I can make the repair. Any and all help is much appreciated.

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You need to completely rebuild that rear end. The ring gear's looking worn and you have pieces laying in the bottom of the case. Luckily, the 14 bolt is one of the easiest integral center sections to rebuild. If you're a mechanic, this should be straight forward and inexpensive.

Or, just get a good used one from a boneyard, there are millions of these trucks on the road.

Edited by David89GMC
new info
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