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Universal Joints

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Symptoms of a Bad or Failing Universal Joint (U-Joint)
Common signs include a squeaking noise, clunking sound when shifting, vibrations in the car, and transmission fluid leaking.
How Long Does a Universal Joint (U-Joint) Last?
For most rear wheel drive cars, a driveshaft is needed to ensure that the tires turn as they should. The driveshaft works by taking the power from the transmission and transferring it to...
How to Lubricate Your Car's U-Joints
U-joints allow the driveshaft to keep up with the movements of your car's suspension system. Keeping them lubricated will prevent wear and noise.
How to Replace a Worn-Out U-Joint
Your rear-wheel drive vehicle uses a rotating driveshaft to transfer torque (rotational force) from the transmission to the rear axle. Since the driveshaft must also be able to move up...
How to Buy a Good Quality Universal Joint (U-joint)
The universal joint is an important part in your car, and it can be found at the end of the vehicle's propshaft. The universal joint, also called a UJ, makes it possible for...

Related questions

Question
Bad u-joint making noise.
Hello. As a Jeep ages, many of the front end parts can wear out and become loose. From the description of the noise it sounds like you either have a worn out front shock or you may have a bad...
Question
U-joints and tie rods bad.
Since you don't list your symptoms or reasons for thinking this, the best advice I can give you is to have your vehicle inspected by a trained professional. The technicians at YourMechanic will be able to diagnose and repair any...
Question
Drive shaft shakes bad
From your description I believe that there may be a problem in the rear differential of your vehicle. More specifically the pinion bearings. It sounds like they may have gone bad and this has caused excess movement in the drive...
Question
Shaking Car and Drive Shaft Land cruise Wagon
Depending on where the welds were that you are referring to on the drive shaft, this may be the cause of your problem. The U-joints are designed to move and provide slight movement to allow the drive shaft to slide...
Question
Tranfer case keeps cracking
Hello. This is a very common problem with this design transfer cases of these years of Dodge vehicles. This is a design flaw that was fixed in newer versions of the transfer case. You can find many forums and complaints...
Question
Steering- u joint
Hello. What you are describing is somewhat unusual, particularly if you are referring to a joint that is "protected" (i.e., under the dash). The entire column and linkages should be examined to see if there is something amiss causing a...
Question
Bad jerk clunk at speed from rear?
This is a common issue when driveshaft u-joints begin to fail. When there is too much clearance in the U-joints to the drive shaft, this type of clunking sound and slight kick back when stopping will occur. This is a...
Question
I recently replaced my U-Joints on my driveshaft and now my car vibrates, it gets worse the faster I'm traveling.
Hi there. Did the U-joints you installed have grease fittings and did you fill them with grease prior to driving? I know this is a basic step, but one that often gets forgotten. Dry bearings inside the u-joints wont last...
Question
Squealing at lower speeds
Hello. If the noise is related to the vehicle going over bumps or imperfections in the road then it is in the suspension. If it occurs when the vehicle is moving then it is something else. If that is the...
Question
Rear differential won't spin driveshaft, starts to turn then locks up.
Hello. If the rear differential will not spin with the vehicle off of the ground, then it has an internal failure or there is a failure in one of the rear bearings. I usually disconnect the axles first to isolate...
Question
4x4 stuttering issue
Hi there. The shutter could be a couple of things. First see if the tires are too wide and hitting the frame or inner fender. This will make a shutter sound and vibration and is a common issue with 4x4's....
Question
Noise under vehicle - 1991 Toyota Land Cruiser
Hello. Noises like this can make you crazy, often because they are 'transmitted' from one part of the car to another. Since you have greased the U-joints, I would make sure that the sliding yoke on the driveshaft is lubed...
Question
Dealer says I can not use after market U-joints in my 2009 ram 2500
Hello. I have heard something similar from my driveshaft service, with the following explanation: The aluminum driveshafts are a "softer" metal than steel of course, and the process of forcing the old U-joint cups out, and the new ones in...
Question
U-joint vibration
Worn U-joints installed on a well balanced driveshaft will cause vibration and noise as the whole assembly slaps around while rotating at high speed. However, the cause of the changing amount of vibration during coasting versus acceleration can only be...

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