Audi A3 Sportback 40 Tfsi Quattro

Welcome to your driveline specialist for the Audi A3 Sportback 40 Tfsi Quattro. As the owner of this all-wheel-drive model, you know smooth power transfer is central to the driving...

Products for Audi A3 Sportback 40 Tfsi Quattro

6 products
1 - 6 of 6
Item no.:1101103
  • Position: Front left
  • Total length: 560 mm
  • Splines gearbox side: 37
  • Splines wheel side: 36
Item no.:0452241
  • Position: Inner
  • Seal diameter: 94 mm
  • Inner splines: 33
  • Number of joints: 3
  • ABS teeth: 0
Item no.:629160
  • Number of centre bearings: 1
  • Number of joints: 1
  • Total length: 2,160 mm
Item no.:218554
  • Position: Front right
  • Flange diameter: 108 mm
  • Total length: 601 mm
  • Splines wheel side: 36
Item no.:651231
  • Position: Rear, Outer
  • Seal diameter: 59 mm
  • Inner splines: 33
  • Outer diameter: 82 mm
  • Splines wheel side: 36
Item no.:1164977
  • Position: Front left
  • Total length: 560 mm
  • Splines gearbox side: 37
  • Splines wheel side: 36

Audi A3 Sportback 40 Tfsi Quattro drivetrain

Owning an Audi A3 Sportback 40 Tfsi Quattro means driving a car engineered with advanced technology and a sophisticated four-wheel-drive system. The drivetrain in this specific model is designed to handle the substantial torque produced by the turbocharged engine while distributing power efficiently between all four wheels. To maintain its dynamic driving feel and safety, keeping every driveline component in peak condition is essential. Wear in the drivetrain not only compromises ride comfort but can also lead to costly secondary damage if neglected.

We supply a comprehensive range of parts specifically tailored for the Audi A3 Sportback 40 Tfsi Quattro. We understand the precise engineering demands placed on these components, from the front drive shafts handling both steering angles and power delivery, to the rear components engaged whenever extra traction is required. Choosing the correct spare parts ensures your car's Quattro system performs exactly as the engineers in Ingolstadt intended.

How the drivetrain works on the Audi A3 Sportback 40 Tfsi Quattro

The drivetrain of an Audi A3 Sportback 40 Tfsi Quattro is configured around a transverse engine that directs power through a gearbox to the front axle and, via a propeller shaft, on to the rear axle. At the heart of this system sits an electronically controlled multi-plate clutch assembly mounted on the rear axle. This clutch regulates precisely how much torque is transferred to the rear based on driving conditions and wheel slip. This setup places high demands on prop shaft balance and the durability of each CV joint, as they are constantly subjected to shifting loads.

The front axle uses two drive shafts, each fitted with an inner and an outer CV joint. The outer constant velocity joint is particularly heavily stressed because it must accommodate tight steering angles at full lock while transferring drive torque. The inner CV joint, positioned closer to the gearbox, absorbs axial movement as the suspension articulates. The rear axle relies on a similar drive shaft arrangement to channel power to the rear wheels when the Quattro system engages. All these parts work in unison to provide the stability and traction that define this model.

Common faults and symptoms

There are several telltale signs that a driveline component on your Audi A3 Sportback 40 Tfsi Quattro is failing. One of the most frequent symptoms is a clicking or knocking noise when taking sharp turns at low speeds. This typically points to a worn outer CV joint, often caused by a split CV boot that has allowed road dirt in and lubricating grease out. If you experience vibrations running through the entire car under acceleration, this usually signals a worn inner CV joint or an imbalance in the propeller shaft.

Other symptoms to watch for include oil leaks around the driveshaft seals or unfamiliar noises from beneath the car when changing speed. Because the 40 Tfsi Quattro features a prop shaft, vibrations occurring at specific road speeds can often be traced back to the centre bearing or universal joints on the shaft itself. Ignoring these warning signs can result in complete component failure, potentially leaving you stranded or causing severe damage to the gearbox and differential.

Common replacement parts for Audi A3 Sportback 40 Tfsi Quattro

Depending on driving style and accumulated mileage, certain components are replaced more frequently than others on this model. We have organised our catalogue so you can quickly find the exact parts needed to restore your car's reliability. Here are the key categories for your vehicle:

  • Drive shafts for Audi A3 Sportback 40 Tfsi Quattro – Complete shafts for both front and rear.
  • Outer CV joints for Audi A3 Sportback 40 Tfsi Quattro – The critical link at the wheel hubs.
  • Inner CV joints for Audi A3 Sportback 40 Tfsi Quattro – For smooth, vibration-free power transfer from the gearbox.
  • Propeller shafts for Audi A3 Sportback 40 Tfsi Quattro – The central shaft driving the all-wheel-drive system.

Alongside these main assemblies, CV boots are a routine service item. An intact boot is the most cost-effective way to protect an expensive CV joint. Catching a split in the rubber early allows you to fit a replacement boot kit with fresh grease, preventing the need for a full joint replacement later.

Find the right part for your Audi A3 Sportback 40 Tfsi Quattro

Navigate directly to the category you need for your Audi A3 Sportback 40 Tfsi Quattro:

On a vehicle where several driveline faults can show similar symptoms, starting in the right section saves valuable time. By comparing the dedicated categories for your Audi A3 Sportback 40 Tfsi Quattro, you can readily distinguish between drive shaft, CV joint or propeller shaft issues and proceed to the parts that match your vehicle's specifications.

Selecting the right spare part for a modern vehicle like the Audi A3 Sportback 40 Tfsi Quattro can sometimes be tricky, as technical revisions occur across production years and chassis numbers. To make ordering simple and dependable, you can select your car's exact make, model and engine variant in our store. This filters the selection down to parts verified to fit your specific vehicle, taking out the guesswork and preventing ordering errors.

Once you have found your product, we recommend double-checking any provided technical dimensions, such as ABS ring tooth counts or overall shaft length. Our vehicle database is extensive and continually updated with manufacturer data. If you need any assistance, our specialist customer service team is ready to guide you, ensuring you order with complete confidence for a straightforward repair.

Why buy from CVJoint24?

CVJoint24 is the international shop of a Swedish driveline specialist, sending parts directly from our central warehouse in Helsingborg, Sweden. By focusing exclusively on driveline components, we deliver technical expertise that general car parts suppliers rarely offer. For us, it is about providing the correct part with an exact fit every time. Backed by our fitment guarantee, you can rest assured that the components you buy for your Audi A3 Sportback 40 Tfsi Quattro will install seamlessly.

We know that vehicle repairs are time-sensitive. We dispatch quickly across the European Union to keep your car's workshop or garage downtime to an absolute minimum. Combining premium components, competitive prices and in-depth specialist knowledge, we are the trusted source for DIY mechanics and professional garages looking for reliable driveline solutions.

Frequently Asked Questions about Drivetrain for Audi A3 Sportback 40 Tfsi Quattro

How do I know if my Audi A3 Sportback 40 Tfsi Quattro needs a new drive shaft?

The most common signs are pronounced vibrations during acceleration or unusual noises from the underside of the car. If you notice a torn CV boot and grease splattered on the inside of the wheel rim, there is a high risk that the drive shaft or joint has been damaged.

What is the difference between the inner and outer CV joint on a Quattro?

The outer CV joint sits by the wheel hub and allows for steering, making it more prone to angular wear. The inner CV joint sits by the gearbox or differential and primarily absorbs suspension movement along its length.

Do all A3 drive shafts fit the 40 Tfsi Quattro?

No, Quattro models use specific drive shafts front and rear to handle the all-wheel-drive system and higher torque output. Always select your exact make, model and engine to find the correct part.

Why does my car vibrate under acceleration?

Vibrations during acceleration on a 40 Tfsi Quattro are often caused by wear in the inner CV joints or an imbalance in the propeller shaft. It is important to inspect these components if the vibrations worsen under engine load.

Are the boot and grease included when I buy a CV joint?

Yes, when you buy a separate CV joint from us, it normally includes the CV boot, grease, clamps and fitting accessories such as a bolt or nut so you can carry out a complete replacement.

How does the fitment guarantee work at cvjoint24.com?

Our fitment guarantee means that if you select your car's correct make, model and engine and we show a part that turns out not to fit, we will help you find the right part or refund your purchase. That is our promise of peace of mind.