Metairie Auto Repair

Mon - Fri: 7:30 AM - 5:00 PM

Monthly Archives: July 2019

CV Shafts: What are they and how do they fail?

CV Shafts: What are they and how do they fail?

Constant Velocity or CV joints are used in most front wheel drive vehicles, many all-wheel drive vehicles and some rear wheel drive vehicles. A CV joint is a joint designed to transmit even power through a wide range of angles with minimum friction and internal play. CV shafts have two CV joints on either end of the shaft allowing the vehicle to be driven forward while allowing the suspension to articulate over bumps and the front wheels to turn left and right. Two wheel drive vehicles have two CV shafts and all-wheel drive vehicles can have up to four CV shafts. CV joints are filled with molybdenum disulfide grease, this specialized grease is either dark green or brownish grey in color. A rubber or neoprene flexible boot keeps this grease in the joint and all of the moving parts submerged. The weak point in CV shafts is the boot. After years and miles of turning and bumping up and down with the suspension the boots weaken and begin to tear. A torn CV boot allows the grease to leave t ... read more

If You Are Using A Screen Reader And Are Having Problems Using This Website, please call Tim's Quality Car Care (504) 831-7450 For Assistance.