Loud grinding/rattling noise coming from back of truck

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Loud grinding/rattling noise coming from back of truck

Postby devildog28 » Tue Nov 11, 2008 6:43 pm

Extremely loud noise coming from rear of truck, escpecially when starting or stopping. I just replaced u-joints last year and they're still good. the only thing I can think of is that my rear axle pinion bearing is worn out. I noticed my pinion seal is leaking so maybe it got some dirt in there.

Any ideas?
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Postby Remman » Tue Nov 11, 2008 7:53 pm

You might need to take the diff cover off, check to see if the pinion , or the ring gear has missing teeth. It really sounds like you need some fluid in the diff housing .
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