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CorpusPreparScript/md_file/Checking the Brake Fluid.md
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2025-08-14 09:24:52 +08:00

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Checking the Brake Fluid

Preparations

  1. Park the vehicle on a firm and level surface.
  2. Open the bonnet.

Checking the brake fluid level

In the bonnet space: cap of the brake fluid reservoir

The brake fluid reservoir can be recognised by its cap.

The brake fluid level cannot be checked accurately in all models as a flap or vehicle components may partially conceal the brake fluid reservoir. If the brake fluid level cannot be read exactly, please seek assistance from a suitably qualified workshop. Volkswagen recommends contact with an ID. UNYX Service Center.

The brake fluid level must always be between the MIN and MAX markings on the brake fluid reservoir.

The brake fluid level drops slightly during vehicle operation as the brake pads wear and the brakes are automatically adjusted.

Changing the brake fluid

Have brake fluid changed every 2 years. Suitably qualified workshops can provide information on the intervals for changing the vehicle's brake fluid. Only brake fluid that conforms with the required specification should be used. Volkswagen recommends contact with an ID. UNYX Service Center.

WARNING

Brake failure or reduced braking efficiency can be caused by the brake fluid level being too low or by brake fluid that is too old or unsuitable. Heavy use of the brakes with old brake fluid can cause a vapour lock due to the absorbed moisture. Vapour locks reduce braking efficiency, considerably increase braking distance and can cause the brake system to fail completely.

  • Have the brake system and brake fluid level checked regularly or have the brake fluid changed.- Have the brake system filled only with new brake fluid.- Make sure that the correct brake fluid is used. Use only brake fluid that is explicitly compliant with VW standard 501 14. Any other brake fluid or a low-quality fluid can affect the functioning of the brakes and reduce braking efficiency.- If a brake fluid compliant with VW standard 501 14 is not available, use a high-quality brake fluid compliant with DIN ISO 4925 or the US standard FMVSS 116 DOT 4 CLASS 6, but only in exceptional circumstances.