Brake system of car Volkswagen Golf 4

Description of the car braking system
According to its purpose and functions, the braking system is divided into working, spare, parking and emergency. The working braking system ensures the regulation of the vehicle...

Technical specifications
Parameter Disc brakes Drum brakes Front Front Rear Rear Model FS-III FN-3 Brake pad thickness 14 mm 14 mm 11.5 mm 5.5 mm Minimum permissible thickness of the brake pad with the...

Brake system diagram
1 - ASR switch; 2 - brake light switch; 3 - rear left wheel speed sensor; 4 - rear right wheel speed sensor; 5 - Right front wheel speed sensor; 6 - Left front wheel speed sensor;...

Removal the front brake pads on the FS-III caliper
Front brake mechanism with FS-III caliper 1 - Phillips head screw, 4 Nm; 2 - Brake disc. If replacement is necessary, replace both front brake discs. Before removing the brake...

Installing front brake pads on FS-III caliper
Execution order Warning: Do not press the brake pedal when the brake pads are removed. 1. Clean any dust or dirt from the caliper and any rust from the edge of the brake disc. If...

Removal brake pads on FN-3 caliper
Front brake with FN-3 caliper 1 - Phillips head screw, 4 Nm; 2 - Brake disc. If replacement is necessary, replace both front brake discs. Before removing the brake disc, the...

Installing brake pads on the FN-3 caliper
Front brake pads mounted on FN-3 caliper 1 - inner brake shoe of the right front wheel; 2 - inner brake shoe of the left front wheel Execution order Warning: Do not press the...

Removal rear brake pads on disc brakes
Disc brake mechanism of the rear wheel of front-wheel drive vehicles 1 - Phillips head screw, 4 Nm; 2 - Brake disc. If replacement is necessary, replace both rear brake discs....

Installing rear brake pads on disc brakes
Execution order 1. If the condition of the brake pads allows their further use, clean them using a wire brush and a clean cloth. 2. Before installing the pads, check that the...

Checking the brake disc
Warning: When brake pads are in operation, they produce brake dust, which contains asbestos, which is harmful to health. Therefore, when cleaning brake pads, do not use compressed...

Removal and installation the brake disc
Removal 1. Loosen the wheel mounting bolts, then raise the affected part of the vehicle and secure it on stands. 2. Remove the appropriate wheel. Front caliper FN-3 3. Remove the...

Adjusting the handbrake
Warning: The brake shoe clearance is maintained by an automatic adjustment mechanism, but the handbrake must be adjusted when replacing the handbrake cables or rear brake caliper....

Removal rear brake shoes on drum brakes
Rear wheel brake mechanism is drum type 1 - ABS sensor; 2 - Allen screw, 8 Nm; 3 - hub journal; 4 - bolt, 60 Nm; 5 - Phillips head screw; 6 - brake drum; 7 - protective cap. When...

Installing rear brake shoes on drum brakes
Execution order Warning: Always replace all pads on one axle of the vehicle, even if one pad has reached the wear limit. If the pads are to be reinstalled, they must be marked...

Removal and installation the rear wheel cylinder
Removal 1. Remove the brake pads. 2. Loosen the union nut of the brake pipe on the back side of the wheel brake cylinder. 3. Remove the two bolts securing the wheel brake cylinder...

Bleeding the hydraulic brake system
Warning: The brake fluid used in the hydraulic brake system is poisonous, so if it gets on your skin, rinse the area immediately with plenty of water. If the fluid gets into your...

Bleeding brakes — basic method (two people)
Execution order 1. Remove the dust cap from the wheel cylinder bleeder nipple, clean it and put a clean transparent hose on it, the other end of which is lowered into a container...

Bleeding brakes — using a one-way valve kit
The kit consists of a tube with a one-way valve installed on it, which eliminates the possibility of returning the removed brake fluid with air bubbles to the brake system. Some...

Bleeding brakes — using a pressure bleeding kit
When bleeding using this method, a large amount of hydraulic fluid is required to prevent air from entering the master cylinder during the bleeding process, which often occurs if...

Bleeding brakes — all methods
Execution order 1. After the bleeding process is complete, press the brake pedal hard until it reaches about half of its travel. 2. Wash away all traces of spilled brake fluid and...

Brake lines and hoses
Brake pipes are used to transfer brake fluid from the master brake cylinder to the wheel brake cylinders. The pipes are connected to the brake cylinders and distributors using...

Checking the brake booster
The brake booster reduces the force on the brake pedal, making it easier to control the car. The brake booster operates by using the vacuum in the intake manifold. If the brake...

Removal, installation and adjusting the brake light switch
The brake light switch is fixed in the brake pedal bracket. When the brake pedal is pressed, the switch turns on the brake light in the rear lights of the car. In addition, the...

Removal and installation handbrake cables
Handbrake lever parts 1 - handbrake lever handle; 2 - safety washer; 3 - Handbrake lever trim; 4 - hex nut, 25 Nm; 5 - adapter. For cars with armrest; 6 - traction; 7 -...

Main brake faults
CAUSE METHOD OF ELIMINATION Increased free travel of the brake pedal The brake pads are worn out Replace the brake pads One of the brake system circuits is faulty Check the...

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