Inner CV joints for Audi A5 45 TDI Quattro
This page features matching inner CV joints for the Audi A5 45 TDI Quattro. This section is specifically tailored to this car variant and covers coupé, all-wheel drive models. Select...
Products for Inner CV joints for Audi A5 45 TDI Quattro
- Position: Front, Inner
- Total length: 88 mm
- Splines gearbox side: 34
- ABS teeth: 34
Inner CV joints for Audi A5 45 TDI Quattro
Maintaining the drivetrain on a high-performance car such as the Audi A5 45 TDI Quattro is crucial for preserving the driving enjoyment and stability that the Quattro system provides. The inner CV joint plays a central role in this system by transferring torque from the gearbox out to the drive shafts. Because the 45 TDI engine delivers substantial torque, strict demands are placed on these components to ensure the highest quality. A worn inner CV joint can quickly lead to consequential issues affecting both comfort and safety. At CVJoint24, you will find vehicle-specific parts engineered to meet or exceed original equipment specifications, ensuring your car stays in peak condition for many thousands of kilometres to come.
What does an inner CV joint do on the Audi A5 45 TDI Quattro?
Unlike the outer joint, the inner CV joint performs a specific function beyond simply turning the road wheel. Mounted closest to the gearbox or differential, its main task is to absorb the axial plunge that occurs as the car's suspension travels up and down. On an Audi A5 45 TDI Quattro, this constant velocity joint must handle significant forces while allowing the drive shaft to change length depending on road surfaces and load. Without a properly functioning inner joint, the drivetrain would become rigid, causing immediate damage to the gearbox. The inner joint is typically a tripod or plunging roller design to minimise friction and heat build-up during operation.
Common signs of wear
When an inner CV joint begins to fail on an Audi A5, it is most often noticed through vibrations rather than the classic clicking sound associated with outer joints. Typical symptoms include shuddering through the car's body or floor during acceleration, especially at higher speeds or under heavy load. These vibrations often vanish when you lift off the accelerator, which is a clear indication that the problem lies within the drivetrain. Another warning sign is noise during engine braking or slight judder when changing speeds. If you spot grease leaking from the CV boot, this is a critical sign that the joint will soon fail due to loss of lubrication and ingress of road dirt.
How to select the right inner CV joint
Selecting the correct part for an Audi A5 45 TDI Quattro demands precision, as specifications can vary depending on the gearbox type and the exact build date. The most crucial check is the number of splines (teeth) both on the gearbox side and on the drive shaft side, as well as the outer diameter of the joint. Because the Quattro system features all-wheel drive, it is also essential to know whether the component fits the front or rear axle, although inner joints are most commonly replaced at the front. To make the selection simple and straightforward, choose your car's exact make, model and engine variant in our store. This filters out the components guaranteed to fit your vehicle's specific setup, ensuring you get the right part first time.
Related components to inspect
We recommend also checking these exact pages for the same vehicle when working on the inner CV joint:
When a drivetrain component shows signs of wear, adjacent parts on the same car often require inspection as well. Comparing these exact pages for the Audi A5 45 TDI Quattro makes it easier to determine whether an issue stems strictly from the inner CV joint or from an adjoining section of the transmission.
This is particularly relevant on models where vibrations, play and strange noises can transfer across multiple components within the drivetrain. A quick check of related categories reduces the risk of replacing the right type of part while missing a connected component that contributes to the very same symptom.
- Audi A5 45 TDI Quattro
- Drive shafts for Audi A5 45 TDI Quattro
Why choose CVJoint24?
CVJoint24 is your dedicated partner for premium drivetrain parts across Europe. As Swedish driveline specialists shipping from our Helsingborg warehouse, we focus on an extensive, specialist inventory that general car parts stores often lack. We understand the technical nuances of the Audi A5 45 TDI Quattro and supply only components proven to withstand high demands. With our fitment guarantee, you can rest assured that the part you order will fit your car correctly. In addition, we dispatch orders swiftly to minimise your car's time on axle stands. Combining deep technical expertise with a clear online catalogue and fast delivery across the EU, we ensure a smooth shopping experience so your car can get back on the road in top condition.
Frequently asked questions about inner CV joints for Audi A5 45 TDI Quattro
What are the most common symptoms of a failing inner CV joint on an Audi A5?
The most common signs are body vibrations under acceleration, often noticeable at speeds between 70–110 km/h. Unlike outer joints that click while cornering, failing inner joints produce shaking that typically disappears when you ease off the throttle.
Can I replace just the inner CV joint, or do I have to replace the whole drive shaft?
On the Audi A5 45 TDI Quattro, you can usually replace just the inner CV joint if the drive shaft itself is otherwise undamaged. This is a cost-effective way to restore proper drivetrain function without having to buy a complete shaft.
Why does the inner CV joint wear out on my Audi Quattro?
Wear is most often caused by a split or torn CV boot, which allows lubricating grease to escape and dirt to enter. On powerful models such as the 45 TDI, the high torque output also contributes to natural mechanical wear over time.
How do I ensure I choose the right inner CV joint for my car?
The safest way is to select your vehicle by make, model and engine in our search tool. Because the Audi A5 is available in many specifications, this ensures you receive a part with the correct spline count and dimensions for your specific engine and gearbox.
Are the boot and grease included when I buy an inner CV joint from you?
Yes, our inner CV joint kits are normally supplied complete with a tailored CV boot, high-grade CV joint grease, clamps and any circlips required for a proper installation.
Is it difficult to replace the inner CV joint yourself?
It requires a fair amount of mechanical experience and the right tools, as the drive shaft usually needs to be removed from the car. On an Audi A5 Quattro, you must be able to unbolt the shaft from the gearbox flange, which often requires specialised sockets (such as XZN/spline bits).