General information about the brake system Focus brake system controls are installed under the hood: 1 - expansion tank with brake fluid; 2 - active brake booster with integrated brake master cylinder, 3 - ABS...
Description of the design of the brake system The Ford Focus has four disc brakes as standard: the internally ventilated front disc brakes are 22 mm thick and 258 mm in diameter. They are clamped in tongs by pistons...
The main components of the brake system Dual circuit brake system: braking system, divided diagonally. Each brake circuit connects one front and one opposite rear wheel. Master brake cylinder (GTZ): converts...
Anti-lock brake system ABS control unit: constantly processes the wheel speed information from the wheel sensors and compares it with the programmed parameters. If, due to different speeds,...
Checking the brake fluid level Your Focus has a brake warning light on the dashboard. Usually the light goes out as soon as the handbrake is released. If not, check the brake fluid level in the...
Checking the brake system in the workshop On every meter of public road traffic, the brakes play a crucial role in your safety and the safety of other road users. Therefore, the best life insurance are...
Checking the brake system In order to be able to unequivocally identify potential leaks, the vehicle must be dry underneath. Therefore, choose a non-rainy day to check. Check all hose connections...
Checking the brake booster Stop the engine, depress the brake pedal several times and hold it in the lowest position. Start the engine. The pedal should move a few more millimeters. If not, the...
Checking the functioning of the brakes You should only test your brakes on the road if you cannot obstruct or endanger other road users. To test your brakes, find a level, preferably secluded, well-paved...
Measuring Disc Brake Lining Wear The front pads wear out faster than the rear ones. Under normal driving conditions, check the pads every 20,000 km, but at least once a year. If the measurement shows...
Brake pedal and brake lining Free travel of the brake pedal (wring out by hand) must be equal to a maximum of one third of the total pedal travel. But with this check, you will not determine worn...
Checking brake disc wear Support the vehicle securely and remove the wheels from the respective axle: using this option, also check the brake pads. Stages of work A slightly bluish disc...
Removal of air from the brake system The air in the brake system turns each brake into an air pump, so bleed the system immediately, for example after all work that required the removal of brake hoses or...
Brake fluid — general information The main components of brake fluid are polyglycol ether and polyglycol. This mixture is still liquid at -40°C and has a very high boiling point of about 270°C. It is...
Brake Fluid Replacement The brake fluid must be changed every two years. Workshops do this with a special pouring device. But you can do it yourself - the work is done in the same way as when...
Dismantling the expansion tank from the GTZ Disconnect the fluid level sensor center connector. Unscrew the locking cap. Don't put the lid on «on the head», electrical contacts may be damaged. Suck the liquid out...
Removing the brake master cylinder Before dismantling the GTZ, make sure that there is no vacuum in the brake booster. To do this, either disconnect the vacuum line from the brake booster or depress the...
Removing the brake booster Before dismantling the GTZ, make sure that there is no vacuum in the brake booster. To do this, either disconnect the vacuum line from the brake booster or depress the...
Dismantling the brake hoses First unscrew the union nut of the brake pipe, then loosen the other end of the hose. Be careful not to twist the tube. Most brake hoses are fixed with a holder (metal...
Replacement of linings of brake disks Brake linings are always changed in pairs on both sides of the axle. Otherwise, this will lead to the appearance of different coefficients of friction on the brake...
Removing the brake discs Always change brake discs in pairs. One-sided replacement changes the coefficient of friction. The brakes may not pull smoothly. Dismantling on the front axle At first,...
Replacing the rear axle mudguard Dismantling Raise the rear of the vehicle securely on a level surface. Remove the wheels. Remove the rear caliper as described above. Knock off the wheel hub dust cap...
Hand brake — general information With handbrake (parking brake) you prevent a parked Focus from rolling unintentionally, or lock it down when driving uphill. By means of a handbrake lever with cables,...
Replacing handbrake cables Dismantling Raise the rear of the vehicle securely and remove the wheels. Loosen the hand brake lever. Remove the middle console. Loosen the handbrake cable. To do this,...
Handbrake adjustment As mentioned above, the rear brake collets have an automatic setting device. After removing the handbrake cables, you must adjust the base length of the control cables....