Inner CV joints for Audi A3 Sportback 1.2 TSI
Looking for a new inner CV joint for your Audi A3 Sportback 1.2 TSI? At CVJoint24, you will find vehicle-specific components that restore optimal power delivery and ride comfort. Select...
Products for Inner CV joints for Audi A3 Sportback 1.2 TSI
- Position: Inner
- Seal diameter: 100 mm
- Inner splines: 33
- Joint diameter: 100 mm
- Position: Inner
- Seal diameter: 59 mm
- Inner splines: 33
- Outer splines: 36
- Position: Inner
- Seal diameter: 94 mm
- Inner splines: 33
- Number of joints: 3
- ABS teeth: 0
Inner CV joints for Audi A3 Sportback 1.2 TSI
The Audi A3 Sportback 1.2 TSI is a model that pairs German engineering with efficiency and driving pleasure. To maintain its smooth driving feel, keeping the car's drivetrain in peak condition is vital. The inner CV joint plays a pivotal role here, even if it is often overshadowed by the outer CV joint. For the 1.2 TSI variant in particular, precision in power transmission is key to making the most of the engine's characteristics and minimising power loss. At CVJoint24, we understand the exact requirements of your Audi and only supply components that meet the highest standards for durability and fit.
Maintaining the drivetrain on an Audi A3 Sportback means looking after the car's mechanical heart when it comes to motion. The inner CV joint is engineered to withstand the stresses of everyday driving, but like all mechanical car parts, it wears down over time. By choosing the right spare parts, you ensure your car retains its dependable reliability and avoid unexpected breakdowns on the road. We focus on supplying parts tailored precisely to your car's specifications, making installation straightforward and delivering lasting results.
What does an inner CV joint do on the Audi A3 Sportback 1.2 TSI?
The inner CV joint is fitted closest to the gearbox and serves a fundamental purpose in the vehicle's power transfer. While the outer constant velocity joint mainly accommodates the sharper angles created when steering, the inner joint handles the axial movement of the drive shaft. As your Audi A3 Sportback 1.2 TSI travels over road imperfections, the suspension moves up and down, altering the distance between the gearbox and the wheel. The inner CV joint allows the driveshaft to extend and contract lengthwise without breaking contact or disrupting power delivery.
On a front-wheel-drive car like the Audi A3 Sportback 1.2 TSI, this component is frequently a tripod design, using three rollers that glide in channels to permit motion. This design is exceptionally effective at isolating vibrations from the engine and gearbox, helping deliver the quiet, comfortable ride Audi owners expect. When this part becomes worn or damaged, it does not just compromise drive; entire ride comfort suffers dramatically, as vibrations can travel throughout the chassis.
Common signs of wear
The classic indicator of a worn inner CV joint on an Audi A3 Sportback 1.2 TSI is vibration that occurs specifically under acceleration. Unlike wheel imbalance, which is typically felt through the steering wheel at certain speeds, vibrations from an inner constant velocity joint are felt more through the car's body and seats when the engine is under load. If the vibrations stop as soon as you lift off the accelerator, that is a very strong pointer that the inner joint is at fault. This happens because wear creates play that becomes noticeable as engine torque forces the components together.
Another common symptom is abnormal noises, often described as a dull thudding or clicking sound at lower speeds under load. It is also essential to inspect the CV boot regularly. If the boot splits, lubricating grease escapes, while road dirt, water and salt penetrate the joint. This accelerates wear and can quickly ruin the joint completely. If you spot grease splattered on the inside of the wheel rim or underneath the engine, take action straight away to avoid total drive shaft failure.
Choosing the right inner CV joint
Identifying the correct inner CV joint for your specific Audi A3 Sportback 1.2 TSI requires attention to detail. Several joint variants often exist depending on whether the car has a manual or automatic (DSG) gearbox, as well as the model year. The technical specifications that distinguish them include the number of splines (teeth) on the shaft, the outer diameter of the joint, and how it mounts to the gearbox. Counting splines is the most reliable way to confirm fitment once the old part is removed.
To make ordering straightforward, we recommend selecting your car's exact make, model and engine variant in our store. This filters our catalogue down to the parts that are technically compatible with your specific car. It saves time and prevents you from ending up with the wrong component when the car is already on the ramp in the garage. At CVJoint24, our goal is to help you select the right part first time, and our customer support team is always on hand if you have questions about technical data or compatibility for your Audi.
Related parts to check
Feel free to check these matching pages for the same vehicle when working on the inner CV joint:
When a drivetrain component exhibits wear, adjacent parts on the same car often warrant inspection too. By comparing these exact pages for the Audi A3 Sportback 1.2 TSI, it becomes much easier to determine whether the fault lies strictly with the inner CV joint or with an adjoining part of the power transmission system.
This is especially important on models where vibrations, play and noises can mirror symptoms across several driveline components. A quick check of related categories reduces the risk of replacing the right type of part while overlooking a neighbouring component that contributes to the very same problem.
- Audi A3 Sportback 1.2 TSI
- Drive shafts for Audi A3 Sportback 1.2 TSI
- Outer CV joints for Audi A3 Sportback 1.2 TSI
Inspecting the CV boots, wheel bearings and control arms when replacing a CV joint can save you both time and money in the long run. A comprehensive check of the front suspension ensures your Audi preserves its road precision and safety.
Why shop with CVJoint24?
CVJoint24 is the international shop of a Swedish driveline specialist, dispatching directly from its warehouse in Helsingborg, Sweden, across the EU. Rather than being a general motor factor, we focus on a specialised, deep driveline range, allowing us to deliver technical expertise few can equal. When you order an inner CV joint for your Audi from us, you can trust you are getting a premium product engineered to withstand demanding European conditions, including road salt, cold and moisture.
Selecting your specific make, model and engine gives you confidence in an accurate fit, ensuring a smooth buying experience. With our prompt dispatch across the EU, we help minimise your vehicle's downtime. Our mission is to provide the best balance of price, quality and knowledgeable advice. Whether you are a DIY mechanic or a professional garage, we are your trusted partner for driveline parts. Welcome to a specialist that truly knows the Audi A3 Sportback.
Frequently asked questions about inner CV joints for Audi A3 Sportback 1.2 TSI
What are the most common symptoms of a failing inner CV joint on an Audi A3 Sportback 1.2 TSI?
The most common symptom is vibration through the car body under acceleration that disappears when you lift off the throttle. Clunking or knocking noises under load can also occur.
Can I replace just the inner CV joint, or do I need to replace the entire drive shaft?
You can certainly replace just the inner CV joint if the shaft itself is otherwise undamaged. This is often a much more cost-effective solution than replacing the complete drive shaft.
How do I make sure I select the correct inner CV joint for my 1.2 TSI?
The most reliable method is to filter by your car's make, model and engine. Always check technical specifications such as the spline count if multiple options are listed.
Are the CV boot and grease included when I buy an inner CV joint from you?
Yes, our inner CV joints are supplied as complete kits including the CV boot, high-quality grease, clamps and any circlips required for installation.
Why do inner CV joints wear out prematurely on some cars?
The most common cause of premature wear is a split or damaged CV boot. If grease leaks out, friction increases drastically, and any dirt that gets in acts like an abrasive inside the joint.
Is it difficult to replace an inner CV joint myself on an Audi A3 Sportback?
It requires a proper set of tools and some mechanical experience, as the drive shaft usually needs to be unbolted from the gearbox. For a DIY mechanic with the right equipment, however, it is entirely manageable.