How do you replace universal joints on a car?
How do you replace universal joints on a car? Remove the bolts at the rear of the driveshaft. The driveshaft connects to the car with 4 bolts on its rear. Use a socket wrench to unscrew each bolt by turning them counterclockwise. Keep the bolts in a safe place so you can reinstall them later. Match the socket you use to the bolt on the driveshaft. When is it time to replace universal joints? Show less... A universal joint (U-joint) is a component in cars that connects the driveshaft to the suspension. A worn-out U-joint causes rattling, knocking, and vibrations...