If your vehicle’s power goes to the rear wheels, then you have something called U-joints in the drivetrain. U-joints are connectors that allow the rotating power from your vehicle’s engine to deliver its power through a driveshaft to make the rear wheels rotate.  You need U-joints because the surfaces you drive on aren’t perfectly flat, and the driveshaft has to allow for some flexibility when you are traveling over uneven surfaces.

As you can imagine, the U-joints have to move and flex a lot as your vehicle is going down the road.  They have bearings in them to allow that flexibility, and those bearings are lubricated when your vehicle is made.  Some U-joints have lifetime lubrication and are not designed to be serviced.  When they fail, they have to be replaced.  Others have grease fittings on them that need periodic lubricating by a technician at intervals recommended by your vehicle’s manufacturer. 

There are signs you can look for that your U-joints need attention.  You may hear a clunk when the gears shift into drive or reverse.  You may feel your vehicle vibrate as you move down the road.  Other signs are leaks at the back of your transmission or a banging sound right before you lose power.  Sometimes, though, if you wait until you notice these symptoms, the U-joints may already be damaged.  

That’s why it’s important that your vehicle’s U-joints be periodically inspected and lubricated.  At the same time, a technician should thoroughly inspect the driveshaft and other connected components.  

Keep your U-joints in good shape, and both of U will continue to enjoy years of reliable transportation.

Star Lube Branson
598 State Hwy 165
Branson, MO 65616
417-239-2886
www.starlubebranson.com

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