When to Replace U Joints?

In most cases, you have to grease your u-joints every 5,000 miles or so. When you fail to service your u-joints on a regular basis, they will fail. You don't have to worry about this problem with maintenance free u-joints. Misalignment: This happens when you change the vehicle's ride height.

How do you know when your u-joint is going bad?

A bad u-joint can cause a clunking sound or jerkiness while driving, particularly when letting off of and pressing the accelerator. ... If a u-joint is excessively worn, there's an easy test you can perform. With your foot on the brake, shift the car into reverse. Then, shift into drive.

Can you drive with bad U joints?

A car with a bad U-joint will break down in a few hundred miles at the maximum. But if you have a bad U-joint and you are having a transmission fluid leakage, you should not drive your car since the U-joint may break down anytime and will cause damage to the brake line, drive shaft, transmission line and other parts.