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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Polo (from 1994 to 2001, the year of issue)

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Volkswagen Polo
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Polo
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Adjusting the brakes
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The main brake cylinder
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Bleeding brake system hydraulic drive
Brake pressure regulator
Parking brake
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Brake pressure regulator



Mounting pressure regulator
Fig. 308. Mounting pressure regulator 1 - a pressure regulator; 2 - screws with hexagon socket, 20 Nm; 3 - hex bolt, 20 Nm; 4 - a nut; 5 - the holder; 6 - hexagon bolts, 20 Nm




Brake regulator is bolted to the bracket 5 (Fig. 308), which in turn is secured in the rear suspension area and managed through the spring of the rear axle. Fig. 308 shows how to set the brake pressure regulator. It performs two functions:
- Distributes brake fluid diagonally between the front and rear wheels;

Location brake pressure regulator
Fig. 309. Location brake pressure regulator




- Reduces the braking force to the rear wheels when braking the vehicle. Removal and installation of the pressure regulator does not require special skills, but after loosening the bolts on the regulator spring adjustment is necessary. To simplify, it is possible to note a sharp object at the position of the roller lever spring and install new regulator to its original position. It is necessary to ensure that the fittings attached to any appropriate contours. When the dial is necessary to pumping hydraulic drive of brake system. Fig. 309 shows a vehicle mounted pressure regulator.
Work brake pressure regulator can be checked as follows:
- Install rear of the car on reliable support;
- Observe the work of the brake pressure regulator below the car;
- To instruct the assistant to press the brake pedal all the way and release it;
- It should be seen as moving the control lever pressure regulator brake by pressing the brake pedal and when it is released. Check repeated several times.
This control only shows that the brake pressure regulator works, but on the basis of it can not be concluded that, as there is pressure distribution. This can be verified only by means of pressure gauges in auto repair shop.




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