The safety of a car is important. Whether or not the Audi S4 are financial holes, certain maintenance acts are crucial. Today we will explain to you when to replace the brake discs of your Audi S4? 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 S4, and, finally, how to replace them with new ones.
Interest of the brake discs of a Audi S4
We start our guideline by explaining what the brake discs of a Audi S4 are used for, it will enable you to understand why it is necessary to be certain that they are always in good functioning conditions.
Brake discs are the main component of your braking system. In actual fact, braking on an Audi S4 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 placed on your wheel. When the brake pads will pinch the discs which will trigger your Audi S4 to brake.
When to replace the brake discs of a Audi S4?
We will now proceed to the part that most certainly attracts you to this article, namely, when replacing the brake discs of a Audi S4? How we explained it to you just before, the brake discs and pads work in osmosis, however these two elements are wearing parts and they will, over time and especially the friction when braking wears out and loses braking power. We will now detail the different solutions to know when to replace them:
- We consider that generally speaking the brake discs should be changed every 80, 000 – 100, 000 km on a Audi S4 , however it is necessary to know that dependent 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 only slightly used, this amount can increase, on the other hand, if you only drive in built-up areas, it can decrease.
- A basic and successful technique to identify the state of the brake discs on your car 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 state or need to be changed.
- A simple visual technique to know when to replace the brake discs on your Audi S4 is to remove the wheels after the vehicle has been set on stands. Once taken out, you will have the ability to access your discs and check their state. If they have any big scratches or deformations you will have to replace them. Otherwise 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 replace the brake discs on your Audi S4?
Finally, to end this article we will fairly quickly explain how to replace the brake discs of your Audi S4. 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 S4, don’t hesitate to seek advice from our article which explains you how to make this replace.
As far as changing discs is concerned, here are the main steps to follow:
- Put your Audi S4 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 produce 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 might 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 component of the caliper and tighten everything tightly.
- Mounting your wheels, and remember to do a 500-kilometer brake break-in before braking hard.
If you have any further questions about the Audi S4, do not hesitate to consult our Audi S4 category.
