CV boot replacement
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CV boot replacement
How much does a CV boot replacement cost?
Constant velocity shafts, more commonly known as CV shafts or axles, are what transmits the drive from the transmission to the wheels on most modern front wheel drive cars, as well as some four-wheel drive vehicles.
These shafts have constant velocity joints (CV joints) that allow drive to be transferred to the wheels during suspension travel and during cornering.
This joint is covered by a rubber boot, known as a Constant Velocity boot (CV Boot) which keeps dirt and debris out of the highly sensitive joint as well as keeping the special CV joint grease in.
Over time, these boots can become brittle and split or crack, leaking the grease out and allowing for dirt and debris to enter the cv joint, which can cause them to fail.
A completely failed CV joint will not transfer power to the wheels, and the vehicle will become stranded.
The average price for a CV boot replacement starts around the $120 mark and can extend to $300+ depending on your vehicle and transmission type.
What is a CV boot?
The CV boot is a boot that is made out of a rubber and polyurethane blend that protects the CV joint from outside elements such as dirt and debris, as well as keeping the lubricating grease inside the joint.
They have ribbed sections which allow the boot to compress and stretch with suspension and steering movement whilst still providing maximum protection to the joint.
Symptoms you may need a CV boot replacement
- Grease leaking onto the ground near the wheels
- Clicking noise when turning
- Increased steering effort required to turn the steering wheel when moving
How is a CV boot replacement carried out?
- The vehicle is raised and the CV boot inspected
- The wheels, suspension and sway bar will be moved out of the way to allow access to the drive shaft
- The Driveshaft will be removed from the vehicle and the old CV boot discarded
- The CV joint will be inspected and the old grease will be cleaned out
- New grease will be applied to the CV joint, and the new boot installed
- The driveshaft will be refitted, along with the suspension, and the wheel re-installed
- The vehicle will be road-tested to ensure to ensure correct operation
Tips to remember
- If the CV boot has been split for an extended period, contaminants may have entered the CV joint, causing increased wear and damage. In these situations, a replacement drive shaft complete with new CV joints and boots may be the better option.
- Running over large debris on the road – e.g. sticks or other tree branches, can pierce the rubber of the CV boots, so these should be avoided at all costs to prolong the life of your vehicle.
How important is CV boot repair?
The drive shafts provide the drive from the engine and transmission to the road wheels, and the CV boots protect the CV joint from damage as well as keeping them well lubricated.
Driving for prolonged periods with a failed CV boot will not only make a mess under your vehicle as all the grease leaks out, but it can cause the CV joint to fail completely, which can put you, your family and other motorists in danger.
If you notice any of the symptoms listed above, it’s best to have your vehicle repaired as soon as possible.
If you've read this far, you obviously care about your car. A lot. So next time you need a service, repair or inspection, visit AutoGuru. We let you search and book from over 1,600 qualified mechanics, who eat car troubles for breakfast.
