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Does Replacing the Half Shaft Have a Significant Impact on the Car?

2 Answers

Ross

07/25/25 3:52pm

Replacing the half shaft has no impact on the vehicle. However, failing to repair a damaged half shaft can cause significant harm to the car. Therefore, it is essential to repair or replace a damaged half shaft promptly. Below is an introduction to the half shaft and the reasons for its damage: Introduction to the Half Shaft: The car half shaft, also known as the drive shaft, is the component that transmits torque from the gearbox reducer to the drive wheels. In other words, it transfers the power from the gearbox to the wheels. Each end of the shaft is equipped with a universal joint, commonly referred to as the inner and outer CV joints. Causes of Half Shaft Damage: Half shaft damage typically begins with the rupture of the rubber dust covers on the inner and outer CV joints. This allows road debris and particles to enter the CV joint lubrication surface, while the lubricating grease inside the joint is completely expelled. As a result, the ball surfaces of the inner and outer CV joints experience dry friction and wear out.

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Bruce

08/11/25 9:34pm

I had a deep experience when I last replaced the axle shaft. If it's not replaced properly, it can be a real headache. The axle shaft connects the wheels and the transmission. If you install low-quality parts, the most obvious symptom is a buzzing noise from the chassis, especially when accelerating—it feels like sitting on a massage chair. The steering wheel will also start vibrating, making your hands go numb when driving on the highway. The worst part is that aftermarket parts don’t last. My neighbor cheaped out and used an aftermarket part, only for the CV boot to start leaking oil in six months. I genuinely recommend choosing OEM parts if you’re replacing it—they might be more expensive, but they can extend the lifespan of your steering system by three to five years. Installation is also highly precise. Last time, I watched the mechanic spend ages adjusting it with a laser alignment tool, saying even half a degree off could cause uneven tire wear.

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