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That is interesting. Here's a full side view. The only way to remove the drive shaft is by disconnecting the U joint. I wonder what is different. Mine was built mid October last year.
Maybe the change in geometry of your front end lift affected your transfer case
I see clean metal on the shaft vs weathered metal. Did leveling the front end cause that or is that how it was from the factory/lot?
Any amount of level shortens the drive shaft. Same for the rear if the rear is raised. Also Crew Cab Long bed = 2 piece drive shaft ?
Reg Cab long bed = one piece drive shaft U-Joints both ends ( rear ), and U-Joint at front axle and looks like Constant Velocity joint @ Transfer Case but no slip joint.
Not sure about extended Cab don't own one.
Any amount of level shortens the drive shaft. Same for the rear if the rear is raised. Also Crew Cab Long bed = 2 piece drive shaft ?
Reg Cab long bed = one piece drive shaft U-Joints both ends ( rear ), and U-Joint at front axle and looks like Constant Velocity joint @ Transfer Case but no slip joint.
Not sure about extended Cab don't own one.
AFAIK, long bed, crew cab trucks have a two piece shaft with a central joint and carrier bearing.
That sound seemed to me like the motor was not fully engaging the gears but grinding on the side of them or the chains inside were raking the tops of the gears.
What's weird is the tail ends on the transfer cases are different. The one like Epic's uses a slip shaft, and the other is a fixed bolted yoke with a shorter tail end housing.
I wonder if the F-250s get the longer tail end housing with the slip shaft?
Slip joints are used to cheapen the cost of production. They are a negative benefit in any truck. I can see the point on a 2wd truck. But on a 4x4 they make no sense.
But here they are on Super Duty trucks.
I've ruined rear driveshafts on rocks and such. You can pull the shaft off and drive home on the front axle.
You can't do that with a slip joint.
What's weird is the tail ends on the transfer cases are different. The one like Epic's uses a slip shaft, and the other is a fixed bolted yoke with a shorter tail end housing.
I wonder if the F-250s get the longer tail end housing with the slip shaft?
Ok, I think I've figured it out. It depends on the wheelbase. The reg cabs, super cab short bed and CCLB get the short housing, while the CCSB and Super cab LB get the long nosed version.