Brake system — general description According to its purpose and functions, the brake system of the car is divided into working, spare, parking and emergency. The service brake system regulates the speed of the vehicle and stops it with the necessary...
Specifications of the brake system Front brakes Type Single piston caliper disc brakes Disc diameter: – 1.6 and 1.8 liter engines 260 mm - other models 283 mm Brake Disc Thickness: – petrol engines 1.6 and 1.8 liters: new 24.0 mm minimum...
Bleeding the hydraulic brake system Bleeding the hydraulic brake drive is necessary to remove air, which significantly reduces braking efficiency. Air can get into the hydraulic drive due to depressurization of the system during repairs, replacement of...
Brake lines and hoses Unscrewing the connecting nut of the brake system using a special key Brake pipes are used to transfer brake fluid from the master brake cylinder to the wheel brake cylinders. The connection of tubes with brake...
Replacing the front brake pads Attention! Be sure to replace all the pads on one axle of the car, even if one pad has reached the wear limit. If the pads are to be reinstalled, they must be marked before removal. Warning! Brake pads generate brake...
Replacing the rear brake pads Attention! Be sure to replace all the pads on one axle of the car, even if one pad has reached the wear limit. 1. Raise the rear of the car and secure it on stands. Remove rear wheels. 2. Remove the spring clips...
Replacing the rear brake pads on drum brakes Arrangement of elements of adjustment of brake pads 1. Regulator bolt fixing spring; 2. Regulator bar spring; 3. Upper return spring; 4. Adjusting element Attention! Be sure to replace all the pads on one axle of the...
Front brake disc — removal, inspection and installation Examination 1. Raise the front of the car and secure it on stands. Remove the corresponding front wheel. 2. Slowly turn the brake disc so that it can be seen from both sides. Remove the brake pads if necessary. Brake...
Rear brake disc — removal, inspection and installation Examination 1. Raise the rear of the car and secure it on stands. 2. Remove the corresponding rear wheel. 3. Examine the disk as described in subsection 10.7 . Removing 1. Remove the brake hose from the bracket located...
Rear brake drum — removal, inspection and installation Removing 1. Raise the rear of the car and secure it on stands. Remove the corresponding rear wheel. 2. Remove the screws securing the brake drum to the hub. 3. Check that the handbrake is fully released and remove the...
Front brake caliper — removal, repair and installation Attention! On vehicles equipped with ABS, disconnect the accumulator before disconnecting any brake system hydraulic connection and reconnect the accumulator only after all hydraulic system elements are fully connected....
Rear wheel caliper — removal, repair and installation Attention! On models with ABS, disconnect the battery before any brake system disconnection and reconnect it after the brake system components are fully connected. Removing 1. Raise the rear of the car and secure it on...
Rear brake cylinder — removal and installation Removing 1. Remove the brake drum. 2. Using a G-clamp, pinch the brake hose at the point closest to the brake master cylinder. 3. Using pliers, remove the upper spring that compresses the brake pads. Remove the upper...
Master brake cylinder — removal, repair and installation Removing 1. On some models, to improve access, remove the air supply pipe to the air filter. 2. Remove the stopper from the master cylinder reservoir, filter and pump out the fluid from the reservoir. Disconnect the...
Brake pedal — removal and installation Removing 1. Remove the negative terminal from the battery. 2. Remove the fuse box cover. Disconnect the connector from the key block, unscrew the fastening screws and remove the lower trim of the instrument panel from...
Vacuum brake booster — removal, inspection and installation Examination 1. Press the brake pedal several times with the engine off to create equal pressure in the cavities of the vacuum booster (close to atmospheric). 2. At the same time, by the force applied to the pedal,...
One-way brake booster valve Removing 1. Loosen the clamp and disconnect the vacuum hose from the brake booster one-way valve. 2. Remove the valve from the rubber o-ring by turning it sideways and pulling it towards you. 3. Remove the sealing...
Handbrake adjustment Models with rear drum brakes 1. To check the handbrake adjustment, fully release it, depress the brake pedal several times to set the normal operating clearance between the brake pads and the drum, apply the handbrake...
Handbrake lever — removal and installation Removing 1. Raise the rear of the car and secure it on stands. 2. Fully release the handbrake lever and unscrew the adjuster to fully release the handbrake cable. 3. Remove the center console. 4. Remove the protective...
Handbrake cable — removal and installation The handbrake cable consists of 3 parts: the front part, which includes the adjustment mechanism, the right and left rear parts, which connect the rear brakes to the adjustment mechanism on the front cable. Each part...
Hand brake pads (with disc brakes) Removing 1. Remove the brake disc and note the location of all hand brake parts. 2. Using a special wrench, compress the upper retaining spring of the brake shoe, turn it 90°and remove it from the brake shield. 3....
Brake pressure control valve On most models, a brake pressure control valve is located in the hydraulic actuator on each rear brake. The valve is mounted at the lower rear of the vehicle and attached to the rear anti-roll bar by a spring. The valve...
Stoplight switch — removal and installation The brake light switch is located on the brake pedal bracket. On automatic transmission models, there are 2 switches located on the brake pedal bracket. Of these, the brake light switch is the left one. Removing 1....
Anti-Lock Braking System (ABS) The anti-lock braking system prevents the wheels from locking during heavy braking. Thanks to this, the car remains steerable under full braking. The system consists of a hydraulic governor unit and 4 wheel sensors. The...
Vacuum pump (vehicles with diesel engine) Removing 1. To improve access to the vacuum pump, remove the air supply pipe to the air filter. 2. Loosen the clamp and disconnect the vacuum hose from the pump. 3. Unscrew bolts/nuts of fastening of the pump to the...
Checking the vacuum pump (with diesel engines) The performance of the vacuum pump of the brake system can be checked using a vacuum gauge. 1. Disconnect the vacuum pipe from the pump and connect a vacuum gauge instead. 2. Run the engine to idle. 3. Measure the...
The main malfunctions of the brake system Before checking the operation of the brake system, make sure that the tire pressure is correct, the front wheel alignment is correct and the vehicle is evenly loaded. Vehicle pulls to one side when braking worn or dirty...