rear end whine

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Nov 24, 2013

cabman10

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From: Melvin Village

rear end whine

My 2011 ranger 4.0 5 speed manual 4x4 w/ 50K has developed a high pitched
whine coming from the rear end. Ideas?

Nov 24, 2013

6.2

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From: Canada

Possibly the pinion bearing.
Could be wheel bearings.

Need more info.
What speed, only under load?

Nov 24, 2013

cabman10

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From: Melvin Village

No load...the pitch increases with speed

Nov 24, 2013

6.2

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By under load I mean on the gas. As in does it happen when you're coasting and off the gas

Nov 24, 2013

06RangerXLT

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From: Halton Hills, Ont

a howl or whine can be a few things, bearings are first guess, gears are the second. drain the fluid and see how much metal is in it.

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