I have 4.56 gears in my garage and planned to do it myself.
It doesn't look too bad.
I have the service manual, Yukon has instructions, and there is always YouTube, LOL.
I need to get a few special tools, but ever since I put new 38s on, the added rubber over the worn 38s that were more like 36" has been dragging the truck down.
I hope the gear change will help the transmission shift better.
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