All New Gear Oil 0 ▲ AdventureTaco 1 hour ago · Life · hide TL;DR - I swapped out all the gear oil in my diffs and transfer case, and some was in better shape than others. "Taco" dipping sauce? There's nothing special about swapping out the gear oil in my diffs and transfer case, except that I'd be doing it for the first time since I installed the new Diamond Axle housing in the rear of the Tacoma, which mean that I'd be using two of the bolts that secure the third member to the housing to drain the old oil, rather than a dedicated drain plug. A nice way to eliminate a… Commenting on Bubbles has been removed. Why? If you want to talk about this post, write to the author, use the comments on their blog if it has them, or reply with a "RE:" post on your own blog. Suggestions? feedback@bubbles.town