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Auto Repair CV & Drive Axles
Simply put, the engine drives the axle. Typically found in front-wheel drive vehicles, a drive axle is split between two half axles with differential and universal joints between them. Each half axle connects to the wheel by a third joint—the constant velocity (CV) joint—allowing the wheels to move freely. This joint allows the shaft to rotate, transmitting power at a constant speed without significantly increasing friction and heat. CV joints require regular inspection.
Check Your Axles:
Go out to an ample space (such as a parking lot) and slowly drive in tight circles. If you hear a clicking or cracking noise, you have a worn joint, and it must be repaired immediately.