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rtreptow7's avatar
rtreptow7
Explorer II
Jul 30, 2018

Need new rear axle and differential 2500HD GMC***UPDATE***

Have a 2017 GMC 2500 Denali HD Gas. Noticed some axle fluid on the rear inside passenger wheel. Thought I had a bad seal. Took it in for repair and they said "something let loose in there and you ne...
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6_6_Oilburner's avatar
6_6_Oilburner
Explorer
Jul 31, 2018
This has been a rare but not uncommon occurrence with the 17s, I almost think there is an updated axle nut but I don't recall.

If they are replacing the whole assembly it probably ran long enough that it chewed up the bearing surface on the spindle some. If the dealer tech is competent, gear setup is 100% a non issue. If they are replacing the entire assembly....the lube tech should be able to do that without screwing it up.

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