A typical rear wheel drive vehicle has 2 or 3 u-joints. Some vehicles with a long wheel base, such as buses, have 3 or more u-joints. The more u-joints a vehicle has, the higher the chance a u-joint will fail.
This is basically a joint with two u-joints. U-joint maintenance isn’t too much of a factor today for the occasional off-road enthusiast. Most over-the-counter u-joints are sealed and nongreaseable and require little maintenance.
The average price for the u joint replacement cost ranges between $190 and $260 for the replacement, while the labor on this job runs between $170 and $210 on aveage, with the parts ranging between $20 and $50. Keep in mind, the average u joint replacement cost will vary depending on the type of vehicle you have.
The U-joints on a vehicle should last the life of the car or truck, but this is not always the case. There are a number of repair issues that can arise that can render the U-joints on your vehicle unusable. Usually, you will be able to tell when this part of your car goes out due to the issues it will cause.
For U-joints with outside snap rings, you will need to measure from the edge of one u-joint cap straight across to the edge of the other u-joint cap. With these dimensions, it will be easy to identify what series of U-joint that you have. Another way to identify a u-joint is by properly measuring the pinion yoke.
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.
On a typical labor book, a U-joint replacement is one or two labor hours, meaning that a $25 part can cost substantially more once someone else installs it for you and charges around $100/hour.
Installation Procedure (Con’t)
NOTE: The u-joint must be greased prior to installation. There is only enough grease in a new MOOG u-joint to keep the needles in place during assembly, which is not sufficient for operational lubrication.
How often do universal joints need to be replaced? Universal joints can have a lengthy service life if properly maintained, and 100,000 miles is not at all unreasonable to expect.
While there is no set lifespan of a driveshaft, it typically can last about 75,000 miles. Keep in mind depending on the vehicle, and wear and tear you may get much less or much more.
A bad u-joint can cause a clunking sound or jerkiness while driving, particularly when letting off of and pressing the accelerator. A bad u-joint can also cause vibration at certain speeds, emanating from the center or rear of the vehicle. … Then, shift into drive.
Universal joints, being a heavy-duty component in off-road and rear wheel drive vehicles, can undergo many issues that lead to its failure. These can severely affect the movement of the vehicle and can cause great losses in the rotational power and torque transmitted from the engine to the wheels.
Rear-wheel-drive vehicles have universal joints (or U-joints) at both ends of the drive shaft. … Front-drive vehicles also use two joints, called constant velocity (or CV) joints, but they are a different kind that also compensate for steering changes.
|U-Joint Series||Continuous Lifetime Operating Torque||Yield Torque|
|1350||210 lb-ft||2,260 lb-ft|
Replacing these joints is a fairly straightforward job, though it takes some prior experience. To begin, you’ll need a universal joint pressing tool. You can also take advantage of the loaner tools program at your local Advance Auto Parts store. Then follow these step-by-step instructions on how to change U joints.
Some u-joints fail from normal wear and tear, especially on vehicles that are frequently used for heavy towing or off-roading. U-joints can also fail as a result of misalignment, corrosion, or excessive vibration. … In fact, u-joint failure is such bad news that it’s always safer to err on the side of caution.
A broken driveshaft can prevent wheels from turning properly, giving you trouble when trying to make turns. This issue limits your overall control of the car. You need any issues that prevent you from driving the car correctly addressed right away for safe driving and continued use of the vehicle.
Drive line vibration, after u-joint replacement, is usually the result of a u-joint not properly posi- tioned, or yoke ears which are binding. In either case the problem can usually be pin pointed by articulating the drive shaft. … The replacement u-joint, even though centered, could cause the shaft to vibrate.
NLGI Grades 1-3
The most commonly used greases, such as those used in automotive bearings, would use a lubricant that is NLGI grade 2, which has the stiffness of peanut butter. Grades within this range can operate in a higher temperature range and at higher speeds than NLGI grades 000-0.
While MOOG greaseable parts come greased from the factory, they should also be greased at the time of installation to fill the dust boot and lubricate the interface between the boot and mating part.
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. If the vehicle makes a clunking sound, or you can feel it knock one time after engagement, a u-joint is likely the culprit.
You will have to remove the entire drive shaft to replace the Carrier Bearing. Then you can also get access to all three universal joints. Some Prerunners also have zerk fittings for grease.
From what we researched via multiple quotes online, the average driveshaft balancing, including professional labor, tends to be in the $120 to $185. However, if you needed new U-joints, as well as the driveshaft balancing, which is often the case in most repairs, the price can be closer to $200 to $250+.
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