The safety of a motor vehicle is essential. Even if the Opel Astra are financial holes, certain routine service works are vital. Today we will explain to you when to replace the brake discs of your Opel Astra? To accomplish this, to begin with, we will find out what the brake discs of your motor vehicle are used for, then, when to replace the brake discs of your Opel Astra, and, finally, how to replace them with new ones.

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Benefit of the brake discs of a Opel Astra

We start our article content by explaining what the brake discs of a Opel Astra are used for, it will enable you to figure out why it is necessary to ensure that that they are constantly in good working order.
Brake discs are the most important part of your braking system. In fact, braking on an Opel Astra 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 installed on your wheel. When the brake pads will pinch the discs which will cause your Opel Astra to brake.

When to replace the brake discs of a Opel Astra?

We will now move on to the part that undoubtedly attracts you to this content, namely, when changing the brake discs of a Opel Astra? 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, after some time and especially the friction when braking wears out and loses braking power. We will now highlight the different ways to know when to replace them:

  • We consider that generally the brake discs should be changed every 80, 000 – 100, 000 km on a Opel Astra , however it is necessary to know that dependent on your driving style and the type of journey this can vary considerably. In fact, if you mainly drive on the motorway and your brakes are just slightly used, this amount can increase, conversely, if you just drive in built-up areas, it can reduce.
  • A simple and powerful technique to identify 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 very easy visual technique to know when to replace the brake discs on your Opel Astra is to remove the wheels after the vehicle has been set on stands. Once removed, you will be able to access your discs and verify their condition. If they have any big scratches or deformations you will have to replace them. In any other case 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 Opel Astra?

Finally, to end this content we will quickly show you how to replace the brake discs of your Opel Astra. 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 Opel Astra, don’t think twice to seek advice from our content which teaches you how to make this replace.
As far as changing discs is concerned, here are the most important steps to follow:

  • Put your Opel Astra 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 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 make sure to do a 500-kilometer brake break-in before braking hard.

To find more tips on the Opel Astra, take a look at the Opel Astra category.