Brake system of car Volkswagen Polo 4

Brake system. General information
Work on the brake system requires extreme cleanliness and precise working methods. If the necessary work experience is not available, then work with the brake system should be...

Specifications of the brake system

Front disc brake FS-II
1 - brake disc Be sure to replace both discs of the same bridge. To remove, first unscrew the caliper mount. Remove the brake disc from the wheel hub without using force, if...

Front disc brake FS-III
1 - brake disc Be sure to replace both discs of the same bridge. To remove, first unscrew the caliper mount. Remove the brake disc from the wheel hub without using force, if...

Removal and installation of front brake pads on POLO cars
Brake caliper FS-II/FS-III Attention: Calipers of different designs are used on the front wheels of the car. Therefore, using the drawings, you should first find out what version...

Removal and installation of front brake pads of IBIZA cars
Lucas brake caliper 3 - brake pads 4 - retaining springs for brake pads 5 - guide brake pads 6 - bolt with ribbed head, 125 Nm 7 - heat shield 8 - brake caliper housing 9 - hex...

Rear drum brake mechanism
1 - spring plate Turn 90°to remove. 2 - pressure spring 3 - brake shoe with lever for handbrake 4 - upper coupling spring If necessary, remove with VW special tool 3438. 5 - lower...

Removal and installation of brake shoes of a back drum brake
Removing Attention: The brake pads are covered by a vehicle approval and are factory-fitted for the corresponding vehicle model. Therefore, it is recommended to use only brake...

Rear disc brake mechanism
1 - Phillips head screw, 4 Nm 2 - brake disc Be sure to replace both discs of the same bridge. To remove, first unscrew the caliper mount. 3 - protective cap. Squeeze. 4 -...

Removal and installation of rear disc brake pads
Note: The removal and installation of the rear disc brake pads is carried out in principle in the same way as for the front disc brake. Therefore, you should also read the chapter...

Checking the thickness of the brake discs
Examination Mark the direction of tire rotation with an arrow. Loosen wheel bolts. Raise the car in front on the goats and remove the wheels. Attention: Strictly follow the...

Removal and installation of the brake disc / brake caliper together with the shoe guide
If the brake discs are rusty or have reached the wear limit, they must be replaced with new ones. When braking, rusty brake discs reproduce a lapping effect that does not...

Handbrake adjustment
Thanks to the automatic adjustment of the rear wheel brakes, the handbrake adjustment is not required as part of maintenance. Adjustment is necessary after the following parts...

Removal and installation of the wheel brake cylinder
Removing Remove the brake pads from the brake drum, see relevant chapter. Loosen the union nut of the brake pipe, do not unscrew the nut completely. Unscrew the 2 hexagon socket...

Removal of air from the brake system
When handling brake fluid, the following instructions must be observed: Safety note Brake fluid is poisonous. Never suck out brake fluid by mouth through a hose. Pour brake fluid...

Removal and installation of a hose of a brake drive
The brake lines connect the brake master cylinder to the four wheel brake cylinders. Caution: Rigid brake lines made of metal should be installed at a workshop, as some experience...

Checking the brake booster
If an unusually high force is required on the brake pedal to achieve sufficient braking action, the brake booster must be checked. With the engine off, depress the brake pedal...

Handbrake Lever/Wiring Diagram
1 — facing of the lever of a manual brake Takes off moving forward. Use a screwdriver to press the locking plate -arrow- in the lower part of the handle or, respectively, use a...

Removal and installation of cable traction of a manual brake
Removing Remove center console . Release the handbrake. Loosen adjusting nut -arrow- until the handbrake cable can be unhooked from the compensation clip. Safety note There is a...

Removal and installation of the switch of a signal of braking
The brake light switch is located on the pedal bracket. When the brake pedal is pressed, the brake signal is switched on via the switch. In addition, the brake light switch is...

Rear wheel bearing/hub
Drum brake 1 - bridge beam 2 - a bolt with an internal hexagon in the head, 8 Nm 3 - ABS speed sensor Before installing the sensor, clean the inside of the hole and grease with...

Brake fault diagnosis

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Polo 4 Polo 3