TagU-joint

Searching for U-joint info? Check out all the U-joint related articles here on the NAPA Know How blog. We’ve got Know How for all!

If you feel unusual vibrations or hear unfamiliar noises, have the drive shaft inspected and corrected before it damages anything else or becomes a safety hazard.

Posted August 6, 2018 Maintenance

Drive Shaft and Axle Shaft Basics: Operation & Troubleshooting

Most cars have at least one drive shaft, and some have up to six. What does the drive shaft do and how do you know if it needs attention?

A worn constant velocity joint boot, basically a flexible rubber housing for a drivetrain axle, has a crack in the rubber.

Posted May 4, 2018 Know How

What Is a Constant Velocity Joint?

Every FWD vehicle has at least four CV joints, and some AWD vehicles might have a dozen, but what is a constant velocity joint and what does it do?

Posted March 16, 2017 Know How

Know How Notes: U-Joint Guide

The driveshaft in your car connects the transmission to the rear differential and in some cases the front differential. The driveline consists of a slip yoke, the shaft, a bolt-in … Continue Reading Know How Notes: U-Joint Guide

Posted March 6, 2017 Maintenance

Is a Grease Gun Missing from Your DIY Toolbox?

The heavy grease that lubricates Spicer joints and axle bearings requires a special tool, a grease gun.