Is a split CV boot an MOT failure?

CV boots problems are one of the most common causes of MOT failures – a small split can cause the grease, because of the closeness to the brakes, to contaminate the brake pads and discs. A crack or tear in the rubber, often with grease oozing out, is the most common indication that the CV boot is failing.

How long do split CV boots last?

Usually, the CV boots will last about 80,000 miles before they have to be replaced. The boots are made from rubber, which means that they will take on a lot of abuse over the years due to the high amount of heat that they are exposed to.

How long do constant velocity joints last?

These joints can generally last up to 100,000 miles. However, because CV axles are constantly rotating and flexing to accommodate the condition of the road, they can wear out and fail, resulting in a costly CV joint repair.

What are the symptoms of bad CV joints?

Strange Noises When Turning. Strange sounds that emanate when the car turns,particularly clicking or popping sounds,often herald the deterioration of CV joints.

What is a split CV boot?

Split CV Boots. In theory, using a split-boot can eliminate a lot of “unnecessary” labor associated with boot service. In practice, the split-boot has several serious drawbacks. First, there is the question of reliability. The glue-together seam must be perfectly clean when the glue is applied for a good bond.

What causes CV joint boot to fail?

CV Joint problems are generally caused by boot failures. The rubber or hard plastic boot around a CV joint is there to keep dirt and water out, and to keep the joint?s vital supply of special grease inside. A loose, cracked, ripped or punctured boot is bad news because it will leak grease and allow outside contaminates to enter the joint.

What is a CV joint boot kit?

A Broken CV Boot. The part that simultaneously enables the axle to flex while transmitting the driving force is called a drive axle joint, and is also known as a constant velocity (or CV) joint. The CV Boot is a ribbed, rubber flexible boot that keeps water and dirt out of the joint and the special grease inside the joint.