Quote:
Originally Posted by Chutzpah
Whatever GM is doing now, is better than what they did in 2016. I changed the fluid twice before 7500 miles and the rear end would still moan when cold (on the 2016). The 2022’s fluid hasn’t been changed yet… she’s nice and quiet at 9800 miles. I’ll be changing it at 10K, just because it’s good practice.
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For the price and ease, it should basically be every few years after the first two dump and fills, why should the rear end be treated like the red headed step child? I Liken it to doing wrist curls with a 50 pound weight, lubrication is important. But hell I’m just a dumb welder that has to prove all the engineers wrong when they tell me it’s possible on paper.