How to Check Your CV Boots in San Bernardino, CA


A constant velocity axle is used to transfer power from the transmission or differential of the drive wheels. The axle has a joint on each end that allows the axle to flex and move with the suspension and steering wheel components. The CV joint is designed to allow the joint to flex through the use of bearings while maintaining a constant speed and a CV boot is a cover that fits over each of the joints. CV boots are typically located on the CV axle used on front-wheel-drive vehicles, but can also be present on the rear axle of an all-wheel-drive or rear-wheel-drive vehicle.


To prevent major issues with your constant velocity joint, it is important to keep an eye on your vehicle’s CV boots to ensure damage is repaired in a timely manner and you do not experience a failure. If dirt enters the joint, it will cause joint bearings to wear excessively and the axle to fail. The purpose of the boot is to hold a special grease within the joint to keep it lubricated and prevent dirt and other contaminants from entering the joint. Keep an eye on your CV boots with these simple steps:


To Check Your CV Boots:


  1. Check for Grease on Your Wheels - When the outer boot fails, grease will come out of the joint and while the axle is spinning, the grease will typically get thrown on the wheels.

  2. Check for Grease on Fender Well - Due to some vehicle designs, the CV joint grease cannot make its way onto the wheel itself and will often be thrown onto the fender well liner.

  3. Do an Under Vehicle Inspection

    • Materials Needed: Flashlight, hydraulic floor jack, jack stands, wheel chocks

    • Step 1: Park your vehicle on a flat, solid surface

    • Step 2: Place wheel chocks around the rear tires

    • Step 3: Jack up your vehicle

    • Step 4: Lower the vehicle onto the jack stands

    • Step 5: Check for a cracking or torn CV boot

    • Step 6: Check for leaking CV boot clamps


It’s important to seek help from service professionals if you spot trouble with your CV boots. Visit Car Pros Volkswagen of San Bernardino at 1600 Cam Real, San Bernardino, CA 92408 or call us at (909) 380-8030 for your service appointment. Our service hours are Monday-Friday 7 AM-6 PM and Saturdays 8 AM-5 PM. You can also schedule your service appointment online any time.
Categories: Parts, Body Shop, Service, Fleet

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