Boot Kits

On all front and all-wheel traction vehicles the axle shafts, also known as Constant Velocity joints (CV Joints), are what connects the transmission with the wheels.  Every car's front axles have four CV joints: two inboard and two outboard joints. The inner CV joint controls changes in suspension and ride height, while the outer one provides even torque transfer. These axles must be able to flex in order to allow the suspension to move up and down, the front wheels to turn right and left, while at the same time transmitting the driving force from the engine to the wheels. All CV joints are encased by a ribbed, rubber (or polyurethane, neoprene) flexible protection casing that helps to keep water, pebbles and road dirt out of the joint and the special grease inside of it. This protection element is known as CV Boot and is kept in place by ring shaped clamps at both ends that create a tight seal. After a number of years and a certain amount of mileage, the CV boot may develop cracks or splits, which can eventually lead to damage to the CV joint. If this CV boot gets damaged and the vehicle is driven in this conditions, the exposed grease is rapidly slung out by centrifugal force as the axle rotates, and the joint subsequently becomes contaminated with sand, dirt, rocks, and water, quickly wearing the joint components. Excessive wear may require replacement of the entire axle shaft assembly which will result in a much expensive repair compared to replacing the boot itself.

 

It is extremely important to be aware of the first symptoms that may indicate a sign of defect in the CV Boot. Most common indications of CV Boots damage include stains of grease or oily substance on the driveway, around the front or rear wheels of your car, also, abnormal clicking noises while your wheels are turning or if you feel a shudder while accelerating or decelerating. Replacement CV boots and joints are readily available in most auto parts stores.

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