In rear wheel-drive cars, a driveshaft is needed for the tires to rotate. The driveshaft transfers the power from transmission to the rear tires, enabling them to turn.
U-joints hold the drive shaft in place. If the U-joints are not lubricated, the bearings inside the U-joints will wear out over time and the drive shaft will begin to vibrate, while the car is moving. You will feel vibration in the seat or throughout the car. You may also hearing clunking or banging noise when you put the car in a gear.
A mechanic should lubricate the U-joints during regular maintenance service. Doing so will greatly improve the life of the U-joints.
U-joints are responsible for holding the driveshaft in place. Since the driveshaft transfers power from the transmission to the wheels, it receives a lot of force, and it depends on the U-joints to help it stay sturdy and in place. When the U-joints break, the driveshaft has nothing holding it in place, and so it vibrates heavily, which not only is detrimental to the driveshaft’s health, but also results in a very bumpy ride.
Tell us what the problem is (e.g the car is not starting or I need new shock absorbers). What kind of car you drive and your contact information.
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