rear diff....wierd noise???
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New User
Joined: Jan 2007
Posts: 3
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rear diff....wierd noise???
ok so i need a little advice.... when i start going and i hit about 20 mph i hear a really loud humming sound in the rear diff. the gears look fine any one have any advice on what it could be ??? thanks
Elder User
Joined: Oct 2001
Posts: 974
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Just fixed this on mine, it was the pinion bearings. My spider gears were also very worn, so I replaced those too, but the bearings were definitely the cause. Once I pulled the bearings out, the surfaces were quite rough. New bearings fixed it right up.
