Driving on torn CV boot?

We are borroymy dad's 2006 Audi A3 and we're just told it has "Both outer CV Boots torn and left axle noisy".
We were quoted about $2000 to get both front axel shafts replaced (at an audi dealership)
Hubby didn't tell me he had been hearing the obvious CV issues while turning for a while (not a car guy). I want to get it fixed asap. He doesn't think it's a big deal.
Please reaffirm that it should be fixed asap!! Thanks you! Ellen, Tacoma, Wa

My car has 12583 miles.
My car has an automatic transmission.

Experienced mechanics share their insights in answering this question :
If you have been driving on torn CV boots and now have noise when turning and have driven like that for a while then you should have the axles replaced as soon as possible. You do not have to go to the dealer to have it done. You could have an aftermarket part put in and a mechanic like one from YourMechanic come and put it in for you. It may save you money from the dealer pricing.

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The Constant Velocity is sealed by a boot. This boot may get damaged, and when this happens, the joint will wear out and eventually fail. If you drive a car with a damaged CV, the joint will disintegrate further, making driving impossible. You`ll not be able to control the vehicle and may get involved in an accident.
A CV boot is there to keep corrosive substances out and away from the car and chassis parts associated with steering and turning and holding the wheels in place. Drive as long as you want, just realize repair cost will probably increase the longer you wait as unprotected parts will be exposed.
There is no real set time how long the bad joint will last, and it may last a year or a month. A YourMechanic technician can travel to your location and help and replace the axle CV joint boot as soon as possible.
Driving on-road with busted CV joint can be dangerous, because you never know when the broken pieces will jam in the joint, potentially locking the wheel or the steering action. The safest procedure is to remove the broken pieces from the steering knuckle and get home in two-wheel drive.
You shouldn`t drive with a broken axle, as it can cause the tire to fall off the rim. It can also damage other essential components of your vehicle like the engine or transmission.
1. Grease leak. A grease leak is the first symptom that is most commonly associated with a bad or failing CV boot. Over time, with exposure to the elements a CV boot can become dry or brittle and crack or tear.
If your boot clamps are damaged, your CV boot will loosen, allowing debris to accumulate in your CV joint. This effect will result in an inner CV joint clunk, which will eventually lead to noises from your CV joint while driving your vehicle.
Driving on a Bad CV Joint is Extremely Dangerous!

Failure to replace a failing CV Joint is incredibly dangerous, as the part can potentially fail at high speeds putting you, your passengers, and other drivers on the road at serious risk.

What Happens When CV Joints Fail. Unfortunately, broken CV joints are not repairable—only the CV joint boot is. If your CV joints ever fail completely, the car will suddenly not be able to accelerate, since it won`t have the means to transfer torque to the drive shaft or the wheels.
Driving on a bad cv axle shaft can cause further damage to your vehicle and could even lead to an accident.
In the worst-case scenario, hitting a pothole can result in a tire blowout or bent wheel. But even in non-catastrophic impacts add up over time and have a negative impact on your vehicle: Wheel misalignment (causing premature tire wear) Wear/damage to shocks and struts and cv axles.
If one of your axles is broken, do not drive the car. It`s not safe. If you notice a bumping, clicking or grinding noise when going into turns, your axle isn`t broken yet, but it`s only a matter of time. It`s most likely a failing CV joint.
CV axle boots last for quite some time (80,000 miles) and are not items needing periodic replacement. But you absolutely should inspect them at least once a year, or even more often on cars with high mileage. They are most affected by prolonged off-road driving or heavy use in transportation-industry conditions.
It`s not always a worn boot that causes CV joints to fail. When the bolts attaching the inner joint to the transaxle or the outer joint to the wheels fail, the condition of the CV boot is irrelevant. Most gearheads know what happens to a CV (constant velocity) joint when the boot is torn or cracked.
you can basically wrap the cv boot around and glue it together without disassembling the wheel, axle etc then you just glue the sides of the boot together.
A torn boot will cause the cv axle to wear and tear. you will hear squeaky or grinding noise and in a long turn it will break causing you to be stranded in the middle of the road. You can drive hundreds of miles as long as you don`t notice any noise or clicking from the actual viscosity joint.
CV Boots should be inspected regularly and replaced immediately if torn. This type of preventative repair can save a lot of money and frustration down the road. Grease leak: When a CV boot cracks or tears it will usually leak grease onto the inside of the wheel.
This may seem like an obscure part, one that you don`t have to worry about. But CV boots serve a simple but important purpose and allow the CV axles and joints to stay clean and enjoy a long service life. When a CV boot leaks, it can cause the attached joint to become damaged posing a serious safety hazard.

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ANSWER : If you have been driving on torn CV boots and now have noise when turning and have driven like that for a while then you should have the axles replaced as soon as possible. You do not have to go to the dealer to have it done. You could have an aftermarket part put in and a mechanic like one from YourMechanic come and put it in for you. It may save you money from the dealer pricing.

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ANSWER : This is a common sign of a failing CV joint. A CV (Constant Velocity) joint is a shaft that connects the transmission to the wheels, essentially transferring the power from the drive train directly to the wheels. The CV joint is packed with a special grease and sealed tight with the rubber or plastic boot, that is held in place with two clamps. The most common problem with the CV joints is when the protective boot cracks or gets damaged. Once this happens, the grease comes out and moisture and dirt get in, causing the CV joint to wear faster and eventually fail due to lack of lubrication and corrosion. When the CV joint becomes damaged or worn, you may hear a clicking or popping sound coming from this area. I would recommend having an expert from YourMechanic come to your location to diagnose and inspect your CV joints.

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ANSWER : There is no single recommended brand to use since you can get manufactured new or rebuild by many brands out there. You might not have much choice with what is available in your area unless you went with a new from the dealer. You don’t have to replace both sides at the same time unless the other one is also proven to be bad. If you need some help with getting this fixed, consider YourMechanic, as one of our certified technicians can replace your CV boot using quality parts.

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ANSWER : Hello, thank you for writing in. The damage done to the unit will dictate what exactly needs to be done. If the entire CV axle on one side or the other needs to be replaced, then the entire shaft is typically replaced at once, including the boots. If you need to replace part of the assembly, the boots are serviceable separately on a need be basis. In that case, you would need to know if you were replacing the inner (closest to the middle of the vehicle) or outer (closer to the tire) boot. Once you have made those determinations, corrective action can be taken. For more help with diagnostics or the repair, contact our service department to schedule an appointment.

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Read Full Q/A … : Driving on torn CV boot?