The safety of a motor vehicle is important. Whether or not the Audi A3 are economic holes, certain maintenance actions are vital. In this article we will explain to you when to replace the brake discs of your Audi A3? To achieve this, to begin with, we will discover what the brake discs of your car are used for, then, when to replace the brake discs of your Audi A3, and, finally, how to change them with new ones.
Interest of the brake discs of a Audi A3
We start our content page by explaining what the brake discs of a Audi A3 are used for, it will allow you to discover why it is necessary to make certain that they are constantly in good functioning conditions.
Brake discs are the main part of your braking system. In fact, braking on an Audi A3 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 mounted on your wheel. When the brake pads will pinch the discs which will bring about your Audi A3 to brake.
When to replace the brake discs of a Audi A3?
We will now move on to the part that most certainly attracts you to this article, namely, when changing the brake discs of a Audi A3? How we revealed it to you just before, the brake discs and pads work in osmosis, nevertheless these two elements are wearing auto parts and they will, with time and especially 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 A3 , nevertheless it is necessary to know that according to your driving style and the type of journey this can vary substantially. In truth, if you specifically drive on the motorway and your brakes are just slightly used, this value can increase, alternatively, if you just drive in built-up areas, it can reduce.
- A basic and powerful technique to find out the condition of the brake discs on your motor vehicle is during the technical inspection. In truth 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 technique to know when to replace the brake discs on your Audi A3 is to remove the wheels after the car has been set on stands. Once removed, you will be able to access your discs and check their condition. If they have any big scratches or deformations you will have to replace them. Otherwise the second indicator to verify 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 replace the brake discs on your Audi A3?
Finally, to conclude this article we will quickly describe how to replace the brake discs of your Audi A3. You must know that if you replace the brake discs of your motor vehicle, you will absolutely have to change the brake pads of your Audi A3, don’t hesitate to consult our article which explains you how to make this replace.
As far as changing discs is concerned, here are the main steps to stick to:
- Put your Audi A3 on stands, take off the wheels you want to work 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 part 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 possibly need a mallet to remove the discs.
- Replace the discs and tighten them with the new torx screws provided, replace your pads, reassemble the upper part of the caliper and tighten everything tightly.
- Mounting your wheels, and remember to do a 500-kilometer brake break-in before braking hard.
In the event that you have any additional questions about the Audi A3, do not hesitate to consult our Audi A3 category.
