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axle shaft

Glossary “axle shaft” Definition:
Alloy steel shaft that transfers torque from the differential side gears to the drive wheels. This shaft also supports vehicle weight on most passenger cars.

axle shaft tubes

Glossary “axle shaft tubes” Definition:
Tubes attached to the axle housing center section to surround the axle shaft and bearing. Rear suspension springs generally attach to the axle tubes to support the vehicles weight.

axle tramp

Glossary “axle tramp” Definition:
The tendency of a live axle housing to rotate with the wheels slightly and then snap back during hard acceleration. This action may be repeated several times, creating a loss of traction until the driver releases the accelerator.

axle hop

Glossary “axle hop” Definition:
The tendency of a live axle housing to rotate with the wheels slightly and then snap back during hard acceleration. This action may be repeated several times, creating a loss of traction until the driver releases the accelerator.

axle housing

Glossary “axle housing” Definition:
Designed in the removable carrier or integral carrier types to house the drive pinion, ring gear, differential, and axle shaft assemblies.

axle ratio

Glossary “axle ratio” Definition:
The ratio between the rotational speed (rpm) of the drive shaft and that of the driven wheel; gear reduction through the differential, determined by dividing the number of teeth on the ring gear by the number of teeth on the drive pinion.