What noise are you refering to? The differential itself seldom have problems unless it ran dry of lubrication. If you are having rachettingor grinding noises without the vehicle moving forward, you have a problem with the interediate shaft.
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Use Hypoid gear oil API GL4 or GL5 SAE90. At bottom of diferential there is a drain bolt, either a 17 mm hex head or a recessed square 1/2 inch bolt. The refil plug is just behind the CV shaft almost level with it horizontally.
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Sunday, June 3rd, 2012 AT 7:53 AM