If you’ve noticed a clunk when shifting from park to drive, accelerating from a stop or letting off on your accelerator, it may be your vehicle warning you about dry or failing U-joints. Those are small, critical components in your drivetrain that allow the driveshaft to flex as your suspension moves, transferring power smoothly from the transmission to the wheels. 

They take a licking every time your vehicle is on the road since they’re always moving and bearing a heavy load.  The key to keeping U-joints healthy is making sure they’re lubricated.

If they’re not, they’ll be at the mercy of their main nemesis: friction.  Bearings inside then begin to wear, which can cause a lot of play in the joint.  That play is what makes the clunk you can hear and feel.  If they don’t get lubricated, a dry U-joint can overheat, seize or even fail completely.  That can lead to damage to other systems, such as your driveshaft, differential or driveshaft. 

Another sign you may have a U-joint that’s failing is vibration at highway speeds. The more wear it gets, the less smoothly your driveshaft rotates. You may hear a stutter or hum when you go faster. Your driveshaft may even come loose, leaving you in a very unsafe situation.

U-joints that can be serviced have grease fittings.  We recommend you have us lubricate yours at regular intervals.  That’s especially important on trucks, SUVs and if you tow with your vehicle. 

If it’s been a while since your drivetrain has been inspected and you notice clunking noises or vibrations, have one of our technicians check your U-joints. Taking care of the issue early can prevent other costly repairs and keep you on the road safely and smoothly.

Elite Tire And Auto Care
33729 Plymouth Rd.
Livonia, Michigan 48150
734.427.3100

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