When in 4A, the hubs(or whatever they are calling what locks the wheels to the half-shaves) are locked, so the half-shaves and the front drive shaft spin with the wheel, whether or not the transfer case clutch is engaged. This does create a slight drag o the driveline and is noticeable. It also contributes to the reduced fuel economy in 4A vs 2H.After driving in 4A, I detect a burning smell; also, there's a noticeable drag on the driveline while in 4A, which one can feel while driving (more throttle input to get/keep going) - switching back to 2H regains a detectable "spring in the steps" for the Bronco.
In slippery mode, the Traction control is "Enhanced" see table below:
Here is a full estimated breakdown of the terrain Management System in the new Bronco aka G.O.A.T. mode.
keep in mind these are only assists. And can be manually adjusted if you so choose.
also doing some digging. Couldn’t really find a big difference between mud and sand. I’m guessing mud is going to be more aggressive.
I'm tempted to write my whole blurb on 4WD here but many have already done it in this and other posts, so I won't.
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