The safety of a car is essential. Whether or not the Volkswagen Polo 4 are financial holes, certain maintenance acts are essential. Today we will explain to you when to change the brake discs of your Volkswagen Polo 4? To achieve this, to begin with, we will discover what the brake discs of your motor vehicle are used for, then, when to change the brake discs of your Volkswagen Polo 4, and, finally, how to change them with new ones.

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Benefit of the brake discs of a Volkswagen Polo 4

We begin our content page by detailing what the brake discs of a Volkswagen Polo 4 are used for, it will allow you to understand why it is necessary to ensure that they are constantly in good working conditions.
Brake discs are the most important part of your braking system. In fact, braking on an Volkswagen Polo 4 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 cause your Volkswagen Polo 4 to brake.

When to change the brake discs of a Volkswagen Polo 4?

We will now proceed to the part that certainly attracts you to this article, namely, when changing the brake discs of a Volkswagen Polo 4? How we described it to you just before, the brake discs and pads work in osmosis, however these two components are wearing auto parts and they will, as time passes and especially the friction when braking wears out and loses braking power. We will now outline the different solutions to know when to change them:

  • We consider that in general the brake discs should be changed every 80, 000 – 100, 000 km on a Volkswagen Polo 4 , however it is necessary to know that according to your driving style and the type of journey this can vary considerably. Indeed, 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 reduce.
  • A simple and successful technique to find out the state of the brake discs on your car is during the technical inspection. Indeed 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 very easy visual technique to know when to change the brake discs on your Volkswagen Polo 4 is to remove the wheels after the car has been set on stands. Once taken out, you will be able to access your discs and check their state. If they have any big scratches or deformations you will have to change 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 change the brake discs on your Volkswagen Polo 4?

Finally, to end this article we will quickly describe how to change the brake discs of your Volkswagen Polo 4. You must know that if you change the brake discs of your car, you will absolutely have to change the brake pads of your Volkswagen Polo 4, don’t hesitate to seek advice from our article which teaches you how to make this change.
As far as changing discs is concerned, here are the most important steps to stick to:

  • Put your Volkswagen Polo 4 on stands, take off the wheels you want to action 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 might 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 part of the caliper and tighten everything tightly.
  • Mounting your wheels, and remember to do a 500-kilometer brake break-in before braking hard.

To discover more tips on the Volkswagen Polo 4, take a look at the Volkswagen Polo 4 category.