What is inner CV boot?

The Constant Velocity boot or the CV boot is the rubber casing that you can find covering your CV joint at the CV axle of your car. The CV boot protects both the inner and outer portions of the CV joint and keeps away water, pebbles, and other road dirt from entering into and damaging it.

How much does it cost to replace an inner CV boot?

Replacing a CV boot (which is most cases means replacing the axle/shaft) can cost $150-$600, depending on the make, model and type of vehicle, although on some large or luxury vehicles it can cost $600-$1,200 or more.

Can you replace just the boot on a CV axle?

The Constant Velocity (CV) boots cover the CV joints and protect them from outside debris. If no noise is present and only the CV boot is broken, you can replace just the CV boot. Tip: Before you install a new axle, check the CV joints (even when the boot is broken) and see if they are worth saving.

How do you replace inner CV boot on Audi A4?

Slide the assembly on the side and you will be able to disengage the axle outer side, like this: Then using the 10mm triple square remove the 6 screws engine side and slide out the axle. After securing the axle, using a razor blade (or other) cut the remaining on the boot as well as the old clamps. Clean any excess grease.

What to do with inner CV joint on Audi A4?

Clean any excess grease. For the outer CV Joint you will be able to remove outside clip and slide out the tripod, but for the inner joint, you don’t have access to the outer clip yet. To reach the inner CV joint, hit the flange with a hammer where the 6 screws are until it slides off the tripod and you should end up with something like this:

When do CV boots go bad in a car?

It isn’t uncommon for CV boots to go bad – I blew out mine on a track day, but if your car goes through extreme temperatures (hot or cold) or you otherwise drive hard on the track or whatnot, inevitably you’ll blow out a CV boot.

What kind of car does Nick from Audi drive?

Nick has been an Audi owner and fanatic for the last 10 years, and started Nick’s Car Blog in 2009 to share DIYs and pictures of his A4. Currently he drives a 2012 Audi TT-RS, and has previously owned a B7 S4, B7 A4, and an 82 Audi Coupe (GT) LeMons race car.