BAnNC
Well-known Member
- Location
- Western North Carolina
OK, I'm confused. What constitutes Semi Floating rear end vs. Full Floating? Any place to check this out that haven't already searched?
Thanks.
Thanks.
- Thread starter BAnNC
- Start date
A full floating rear end you can pull the axles out of it via a row of bolts around the center inside of where the wheel bolts are and remove the axles and the wheels are still supported by the hubs and bearings. These are to be stronger.
A semi floating rear end the axles are held in by the bearings and the wheels bolt directly to the axles.
A semi floating rear end the axles are held in by the bearings and the wheels bolt directly to the axles.
You can tell a full-floating axle by the hub center protruding through the rim by several inches, with a cap being held on the end of the hub with several bolts.
Like Mike said, you can remove those bolts and take the axle right out of the truck. No jacking required.
The hub on a full-floating axle actually rides on two bearings on the axle tube. It's similar to a typical front wheel bearing setup on an older pickup truck or a trailer.
Like Mike said, you can remove those bolts and take the axle right out of the truck. No jacking required.
The hub on a full-floating axle actually rides on two bearings on the axle tube. It's similar to a typical front wheel bearing setup on an older pickup truck or a trailer.
jimg.allentown
Well-known Member
Incorrect.
A full float is as you said. A semi floating rear has the axles held in by internal C-locks. When the axles are held in by the bearings, that is considered a non-floating rear. The reasoning has to do with what happens with bearing or axle failure. In the case of a full floating or semi floating rear, the axle will stay in place. In the case of a non-floating rear, the axle can separate from the rear and result in loss of control.
A full float is as you said. A semi floating rear has the axles held in by internal C-locks. When the axles are held in by the bearings, that is considered a non-floating rear. The reasoning has to do with what happens with bearing or axle failure. In the case of a full floating or semi floating rear, the axle will stay in place. In the case of a non-floating rear, the axle can separate from the rear and result in loss of control.
Steve@Advance
Well-known Member
Let me throw in my thoughts, may be wrong but...
A semi floating axle slides through the axle tube and bolts directly to the end of the hub with a row of heavy duty bolts that drive the wheel. The axle does not support the load. However, any slack in the bearings would put a tremendous flexing load on the axle flange and will cause the bolts to work loose and or break the flange off the axle.
A full floating axle is splined on the hub end, and the inside of the hub is also splined. The axle is held in by a sheet metal cover. The spline drive allows some flex in case the bearings are loose or there is any misalignment due to miss machining or heavy loads.
That's what I've always thought it meany anyway!
A semi floating axle slides through the axle tube and bolts directly to the end of the hub with a row of heavy duty bolts that drive the wheel. The axle does not support the load. However, any slack in the bearings would put a tremendous flexing load on the axle flange and will cause the bolts to work loose and or break the flange off the axle.
A full floating axle is splined on the hub end, and the inside of the hub is also splined. The axle is held in by a sheet metal cover. The spline drive allows some flex in case the bearings are loose or there is any misalignment due to miss machining or heavy loads.
That's what I've always thought it meany anyway!
jimg.allentown
Well-known Member
In a full floating design, the axle bears no load except the rotational load of propelling the vehicle.
In a semi floating design, the axle "floats" in the bearing, but does bear some of the weight of the vehicle.
In a non floating design, the axle is held in place be the bearing, and carries some of the weight of the vehicle.
Whether the axle is held in by a row of bolts or is splined on either end, would still be a full floating rear as I was told many years ago,
The main identifier is that on a full float, the vehicle can still roll on its wheels with or without the axle being in place.
In a semi floating design, the axle "floats" in the bearing, but does bear some of the weight of the vehicle.
In a non floating design, the axle is held in place be the bearing, and carries some of the weight of the vehicle.
Whether the axle is held in by a row of bolts or is splined on either end, would still be a full floating rear as I was told many years ago,
The main identifier is that on a full float, the vehicle can still roll on its wheels with or without the axle being in place.
ShadetreeRet
Well-known Member
Get it? "Got it" Good!
jennifer408
Well-known Member
clear as mud to me, i guess im a picture person.
Check out this PDF showing how to disassemble a 14-bolt full-floating axle:
http://www.pirate4x4.com/tech/billavista/14b_bible/14b.pdf
http://www.pirate4x4.com/tech/billavista/14b_bible/14b.pdf
http://www.pirate4x4.com/tech/billavista/14b_bible/14b.pdf
http://www.pirate4x4.com/tech/billavista/14b_bible/14b.pdf
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