The safety of a motor vehicle is very important. Regardless if the Audi A4 are financial holes, certain maintenance works are indispensable. In this article we will explain to you when to change the brake discs of your Audi A4? To do this, to begin with, we will discover what the brake discs of your car are used for, then, when to change the brake discs of your Audi A4, and, finally, how to change them with new ones.

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Interest of the brake discs of a Audi A4

We start our content page by detailing what the brake discs of a Audi A4 are used for, it will enable you to discover why it is important to make certain that they are always in good functioning conditions.
Brake discs are the main component of your braking system. Obviously, braking on an Audi A4 is hydraulic, it is a system of hoses and pressurized oil that will come into action when you press your brake pedal. This pressure will actuate a piston that will push the brake pads on your brake disc which is attached to your wheel. When the brake pads will pinch the discs which will trigger your Audi A4 to brake.

When to change the brake discs of a Audi A4?

We will now proceed to the section that undoubtedly attracts you to this content, namely, when replacing the brake discs of a Audi A4? How we described it to you just before, the brake discs and pads work in osmosis, however these two elements are wearing parts and they will, with time and specifically the friction when braking wears out and loses braking power. We will now outline the different methods to know when to change them:

  • We consider that generally the brake discs should be changed every 80, 000 – 100, 000 km on a Audi A4 , however it is important to know that based on your driving style and the type of journey this can vary substantially. In fact, if you principally drive on the motorway and your brakes are just slightly used, this amount can increase, in contrast, if you just drive in built-up areas, it can reduce.
  • A basic and effective method to find out the condition of the brake discs on your motor vehicle is during the technical inspection. In fact this thorough control checks the state of your brakes and the controller will tell you if they are in good condition or need to be changed.
  • A simple visual method to know when to change the brake discs on your Audi A4 is to remove the wheels after the vehicle has been set on stands. Once removed, you will have the ability to access your discs and verify their condition. If they have any big scratches or deformations you will have to change them. In any other case the second indicator to check is to measure the depth of the disk in relation to its edge, if this value exceeds 1 mm you will have to change them by new ones.

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How to change the brake discs on your Audi A4?

Finally, to conclude this content we will fairly quickly describe how to change the brake discs of your Audi A4. You must know that if you change the brake discs of your motor vehicle, you will absolutely have to change the brake pads of your Audi A4, don’t hesitate to seek advice from our content which explains you how to make this change.
As far as changing discs is concerned, here are the main steps to follow:

  • Put your Audi A4 on stands, take off the wheels you want to act on.
  • Using a large flat screwdriver, pry on your brake pads to compress the caliper piston as much as possible and have enough play to make all your changes.
  • Using large Torx bits, take out the two nuts that lock the upper component of your brake caliper, take out it.
  • Remove your brake pads, then unlock your brake discs thanks to the two torx screws on the side of the disc, you may need a mallet to remove the discs.
  • Replace the discs and tighten them with the new torx screws provided, change your pads, reassemble the upper component of the caliper and tighten everything tightly.
  • Mounting your wheels, and make sure to do a 500-kilometer brake break-in before braking hard.

To get more tips on the Audi A4, take a look at the Audi A4 category.