Brake system of car Volkswagen Golf 4

Description of the braking system of the car
According to its purpose and functions, the brake system is divided into working, spare, parking and emergency. The service brake system regulates the speed of the vehicle and...

Technical specifications
Parameter Disc brakes drum brakes Front Front Rear Rear Model FS-III FN-3 brake pad thickness 14 mm 14 mm 11.5mm 5.5mm Minimum allowable brake pad thickness with base 7 mm 7 mm 7...

Brake system diagram
1 - ASR switch; 2 - stoplight switch; 3 - rear left wheel speed sensor; 4 - rear right wheel speed sensor; 5 - right front wheel rotation speed sensor; 6 - left front wheel...

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

Installing the front brake pads on the FS-III caliper
Order of execution Warning: Do not depress the brake pedal with the brake pads removed. 1. Clean dust and dirt from the caliper and rust from the edge of the brake disc. If the...

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

Installing brake pads on FN-3 caliper
Front brake pads mounted on FN-3 caliper 1 - inner brake pad of the right front wheel; 2 - inner brake pad of the left front wheel Order of execution Warning: Do not depress the...

Removing the rear brake pads on disc brakes
Rear wheel disc brakes for front-wheel drive vehicles 1 - cross-head screw, 4 Nm; 2 - brake disc. If replacement is necessary, replace both rear brake discs. Before removing the...

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

Checking the brake disc
Warning: During the operation of the brake pads, it forms brake dust, which contains asbestos, which is harmful to health. Therefore, when cleaning brake pads, do not use...

Removal and installation of a brake disk
Removing 1. Loosen the wheel bolts, then lift the appropriate part of the vehicle and secure it on stands. 2. Remove the corresponding wheel. Front caliper FN-3 3. Unscrew the two...

Handbrake adjustment
Warning: Optimum brake pad clearance is maintained by the automatic adjustment mechanism, however, when replacing the handbrake cables or rear brake caliper, the handbrake must be...

Removing the rear brake pads on drum brakes
The brake mechanism of a back wheel of drum type 1 - ABS sensor; 2 - screw with hexagon socket, 8 Nm; 3 - trunnion of the hub; 4 - bolt, 60 Nm; 5 - cross-slotted screw; 6 - brake...

Installing rear brake pads on drum brakes
Order of execution Warning: Be sure to replace all pads on the same vehicle axle, even if one pad has reached the wear limit. If the pads are to be reinstalled, they must be...

Removal and installation of the back working brake cylinder
Removing 1. Remove the brake pads. 2. Loosen the union nut of the brake pipe on the back of the wheel brake cylinder. 3. Unscrew the two bolts securing the wheel brake cylinder to...

Bleeding the hydraulic brake system
Warning: The brake fluid used in the hydraulic brake system is poisonous, so if it comes into contact with the skin, immediately wash the area with plenty of water. If the liquid...

Bleeding the brakes — the main method (two people)
Order of execution 1. Remove the dust cap from the wheel cylinder bleeder, clean it and put a clean transparent hose on it, lower the other end into a container partially filled...

Bleeding the brakes — using the one-way valve kit
The kit consists of a tube with a one-way valve installed on it, which prevents the return of the removed brake fluid with air bubbles into the brake system. On some kits, a...

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

Bleeding the brakes — all methods
Order of execution 1. After the pumping process is complete, press the brake pedal hard, while it should go through about half of its travel. 2. Wash off all traces of spilled...

Brake lines and hoses
Brake pipes are used to transfer brake fluid from the master brake cylinder to the wheel brake cylinders. Connections of tubes with brake cylinders and distributing devices are...

Checking the vacuum brake booster
The vacuum brake booster reduces the force on the brake pedal, thereby making driving easier. The operation of the vacuum brake booster is based on the use of vacuum in the intake...

Removal, installation and adjustment of 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 signal in the rear lights of the car. In addition, the...

Removal and installation of cables of a manual brake
Parts of the handbrake lever 1 - hand brake lever handle; 2 - safety washer; 3 - lining of the hand brake lever; 4 - hex nut, 25 Nm; 5 - adapter. For vehicles with armrest; 6 -...

The main malfunctions of the brakes
CAUSE ELIMINATION METHOD Increased brake pedal free play Worn brake pads Replace brake pads Faulty one of the circuits of the brake system Check the tightness of the hydraulic...

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