Drivetrain Tech General discussion of drivetrain for the Ford Ranger.

Rear end loud hum, when turning from a stop

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Old 06-13-2016
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Rear end loud hum, when turning from a stop

2006 Ford Ranger XLT Super Cab
3.0 4x2 Auto

I am sometimes hearing a hum from the rear end(?) when I am turning from a stop, either left or right. I have not noticed this any other time and it goes away once I get to around 30 mph. It does not happen every time. Any ideas?
 
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Old 06-14-2016
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Go here: Ford 7.5 & 8.8 Inch Axle Tag & Door Codes

Look at your drivers door label and see what rear AXLE code you have and look it up on above list.

Assuming you have checked the fluid level in rear axle and it is full then:

If you have an L/S, Limited Slip, the friction additive that allows it to "slip" may need to be replaced, drain and replace the fluid with Ford L/S fluid.

If you have an OPEN axle then shims may be worn out
 
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