CV Boot Replacement Cost
Know what price you should pay to get your vehicle fixed.
What is a cv boot cover?
A half shaft—also called an axle—transmits power from the transmission to propel the vehicle's wheels. Each half shaft has two constant velocity (CV) joints, which are packed with grease and encapsulated by a rubber cover known as a CV boot. This rubber boot helps to keep grease in the CV joint, and to keep from dirt and debris from contaminating the joint.
How does the cv boot cover work?
Independent suspension vehicles use constant velocity (CV) axles that have articulating heads at both ends, allowing the wheel to move independent of the differential or transmission. The CV joints at the ends are enclosed in a thick rubber material, called the “CV boot”, that prevents grease from escaping, and dust from entering.
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What are the symptoms related to a bad cv boot cover?
The symptoms of a drive axle leak are very clear. For CV axles, the leakage even easier to spot, as axle grease will coat everything around the torn boot. If the transmission or differential output seal is leaking, the axles may sling that fluid around the wheel wheel and undercarriage while driving.
Can I drive with a cv boot cover problem?
Driving with a CV boot leak is not particularly dangerous or hazardous to the vehicle, unless the boot has been leaking excessively. If the leak has been present for long enough, the leaking CV axle is in danger of mechanical failure. The vehicle should be driven carefully if the CV axles being popping while driving through turns, or over bumps. As the problem develops, the CV axle will eventually stop driving the wheel.
How often do cv boot covers need to be replaced?
Driveline leaks and seepage from CV boots, wheel seals, differential seals, and transmission output seals will occur at some point in a vehicle's serviceable lifetime. Most CV boots tend to last around 80,000 to 100,000 miles, but driving habits can dramatically influence this range in either direction.
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How are cv boot cover issues diagnosed?
Inspecting for leaking CV boots is very straightforward, diagnosis only requires simple observation while the vehicle is on a lift. If any leaking or seepage is detected, the seal or boot must be changed.
How is a cv boot cover replaced?
CV boot replacement requires the wheel and the lower ball joint to be removed to free the CV axle. Then the CV boot or output seals can be replaced , and the CV axle may be re-installed. If the CV joints are popping while the vehicle is turning, the CV axle may require complete replacement. Then the ball joint can be installed and the axle nut can be torqued to specification.
RepairPal Recommendations for cv boot cover issues
We recommend replacing leaky CV boots as soon as possible. As time passes, the leak will become larger, and there is a very limited amount of axle grease to protect expensive components.
What to look out for when dealing with cv boot cover issues
More commonly it is cheaper to replace a CV axle with a complete new part than to service the existing one or replace the boot. The labor cost to rebuild the used part is usually comparable to the cost of the new part.
Can I replace the cv boot cover myself?
Anyone can inspect an axle for leaks. The undercarriage of the vehicle is normally very dry and dusty. When a leak occurs, the oil will create a dark, wet spot. This will enable anyone to locate the leak, and decide whether the mentioned repairs are within their abilities. Only a very experienced DIYer should attempt these repairs, as there are assemblies that require experience, skill, and training to properly service.
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