Fig. 1.78. Brake fluid reservoir cap
The brake fluid reservoir can be identified by its yellow cap (Fig. 1.78).
Fig. 1.79. Brake fluid reservoir
Checking the brake fluid level
The brake fluid level should always be between the "Max" and "Min" marks.
A slight drop in the brake fluid level occurs during vehicle operation due to wear of the brake linings and automatic adjustment of the brake shoes. This is a completely normal phenomenon.
If the brake fluid level has dropped significantly in a short period of time or has dropped below the "Min" mark, the cause may be a leak in the brake system. The brake system warning light signals that the brake fluid level in the reservoir is too low.
Changing brake fluid
Brake fluid absorbs moisture. Therefore, during the operation of the car, the brake fluid takes a certain amount of water from the surrounding air.
Too much water in the brake fluid can eventually cause corrosion of the working brake system components. In addition, the boiling point of the brake fluid is significantly reduced.
(The article is posted on the portal: «vwmanual.ru»)
Caution: If the brake fluid is very old, steam bubbles may form in the system under high load on the service brake system. This has a negative effect on the efficiency of the service brake system and, therefore, on driving safety.
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