I. What is a Drive Shaft?
The half shaft is a solid shaft that transmits torque between the differential and the drive wheels. Its inner end is generally connected to the Drive Shaft gear via a spline, and its outer end is connected to the wheel hub. Modern automobiles commonly use two types of half shafts, depending on their support type: fully floating and semi-floating.
II. The Function of the Drive Shaft
The Drive Shaft is an important component in the rear axle assembly of a car. It enables the drive wheels to rotate, propelling the car forward or backward. Obviously, if the half shaft is damaged (most often broken), the drive wheels lose power and the car cannot move.
III. Common Faults of Drive Half Shafts
1. Vibration while driving.
2. Abnormal noise from the CV joint (some cars do not have individual CV joints available; the entire Drive Shaft assembly must be replaced).
3. Damage to the intermediate axle bearing of the half shaft.
4. Drive Shaft detached, spline damaged.
IV. How MiCar.com Inspects Drive Shafts
Specific inspection standards for Drive Shaft: secure connection, no deformation, CV joint dust cover without cracks or damage. Inspection equipment and tools: lift, flashlight, pry bar, etc. Inspection procedure: (Lift the vehicle using a lift), use a pry bar to check that the Drive Shaft connection is secure, without deformation or looseness, then use a flashlight to check that the CV joint dust cover is not cracked.