driveshaft Archives - UnderhoodService
VIDEO: Why Do U-Joints Fail?

Uncovering the root cause of a driveline complaint. This video is sponsored by Auto Value and Bumper to Bumper.

Driveshafts: Can 10,000 Applications Really Be Covered By Two Parts?

Shops and part suppliers are always looking for ways to make technicians’ lives a little easier. In recent years, many parts like CV axles, strut/spring assemblies and suspension control arms have been introduced to allow technicians to simply install a complete component instead of repairing parts of the existing assembly. But this parts philosophy does

Drivetrain: Diagnostic Test Drive

Once the vehicle is moving, you might hear a whine coming from the center of the vehicle.

Driveline Tech Tip: Clunk Or Knock

Some vehicles with rear-wheel drive and may exhibit a driveline clunk or bump that occurs as the vehicle starts to move forward following a stop. This condition may be caused by the slip yoke not sliding smoothly on the output shaft splines. Action: Lubricate the slip yoke with a PTFE lubricant or a lubricant specified

Driveshaft Universal Joint Tips And Techniques

Before removing the driveshaft, check for play in the yoke and slip joint. If the u-joints are failing, you should be able to see movement in the shaft as you apply leverage.

CV Axle Diagnostic And Service Tips

When a CV axle fails, it is for a reason. Rarely will an axle fail because it is just worn out. The failure of an axle can usually be traced to torn boot, alignment issue or a problem with components attached to the axle. Axle Alignment If the subframe or mounts are misaligned, the geometry

Tech Tip: Ringing Sound Coming from Jeep’s Propeller Shaft When Shifting from ‘D’ to ‘R’

A ringing, snapping or popping sound may be heard coming from the driveline when the transmission is shifted from Forward to Reverse or Reverse to Forward. The sound may also occur when the brakes are released after shifting into or out of Drive or Reverse.