My 2021 XLT FX4 has been the same.....
If it has a limited slip diff then a previous owner would have installed it because otherwise it’s an open diff from the factory. Anyway to get the history from the previous owner?
Should still spin freely. Especially the front right. Only the left one would directly rotate the pinion and have the drag on it. Right on is just a few spider gears. Or vice versa, but ford was almost always front left powered.
Not sure what you are talking about "front left powered"? Both axles will drive the carrier through the spider gears. If both wheels are off the ground the opposite one will go the opposite direction of the one being turned. If the opposite wheel is on the ground, you will be back driving the pinion shaft and the front output of the transfer case at twice the normal ratio,⁹ therefore more resistance. Our trucks do not have locking wheel hubs so the whole front drive train is always running, so the front wheels will never freewheel.
Its the whole one wheel peel concept. Open rear diff will burn the right rear tire only if doing a burn out. When you are wheeling with 2 open diffs the rear right spins and front left spins. That is why your front right should spin more freely than the left. Typically with locking hubs they would spin equally well on both sides.
These videos are only valid on flat smooth ground. Not with one tire off the ground. I have rebuilt plenty of axles in my day, I get the concept. Maybe you should understand that in an open diff only one wheel gets power when faced with a lack of grip or resistance. Those spider gear just spin. But its ok you wanted to show me videos to prove how intelligent you are. I was trying to help a member out.
Whatever you say. The Left front does not ”directly rotate the pinion”. You do not understand the how a differential works no matter how many “axles” you have rebuilt in your day. The videos are valid no matter what surface you are on. There is only one way a differential works. But hey, good luck. You seem to be the expert.
Either axle will spin the pinion when the other is on the ground. It will either spin the pinion with the other on the ground, or if not on the ground will spin the other the opposite direction without spinning the pinion and drive shaft.
The one wheel burnout with an open differential has more to do with which wheel has the most traction, or should I say the least. It has nothing to do with the mechanical internals. Most modern vehicles now use the ABS to brake the spinning wheel and stop the wheel spin.
