Rear diff whine

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12-03-2010, 07:05 PM

Bronc1

Mountain Pass

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Rear diff whine

03', 4x2, scab, 4.6L, 4sp, 200K

How many miles can an average owner expect to get from his rear diff?

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12-03-2010, 07:53 PM

Ultramagdan

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So long as the oil is changed now and then, a long time. Having the oil break down can start a whine but you could have a wheel bearing talking to you.

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12-03-2010, 09:42 PM

steve(ill)

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and you probably have the smaller 8.8 axle. 200k would be a believable milage if it has only had minor preventative maint.

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12-04-2010, 01:39 AM

bigdaddyII

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As stated, could be a rear wheel bearing. Could also be pinion bearing. Hows the fluid level?

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