whinning noise

DODGE DURANGO
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VIKKLEO
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hi
l have a 1999 dodge durango 5.9l 4x4 with 178k.
when l backup the truck l can hear a whinning noise. l got someone to put it in reverse while l listened to where it was coming from, it sounds like the transfer case. A couple of day later l started to hear it while driving down the road. one day its there the next day its gone. Any suggestions what is going on with my truck.
Mar 11, 2007 at 12:52 PM
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MERLIN2021
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First thing to do is change the fluid in both the rear end and the transfer case. Oh yeah it'e 90 weight oil!
Mar 11, 2007 at 9:56 PM
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VIKKLEO
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ok l change the rear the front diff and the transfer case oil what else
Mar 12, 2007 at 4:17 PM
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