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240 howling rear end 200 1990

posted by  maplebones on  Sun Dec 26 11:55 CST 2021
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last visit: Thu Oct 23 22:53 CST 2014
[RELATED]

Hi Burco,

All the bearings are readily available.

Are you leaking any oil ? The pinion bearing sits higher than the rest of the bearings and is usually the first to go due to a low oil condition.

I would disconnect the driveshaft from the pinion flange and get someone to spin a rear wheel while checking the pinion with your hand for roughness or play.

I blew a pinion bearing once when I misinterpreted pinhole leaks in the diff cover for a weeping gasket.

My experience is that worn or rough gear teeth can growl, yet still go for a very long time, but a bad bearing is apt to completely fail in a short time.

Good luck, Peter






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