Brake system of the car Ford Fiesta 4

General information about the braking system
The braking system of a car serves to reduce the speed of movement and quickly stop it, as well as to hold it in place when parked. Vehicles must be equipped with two...

Checking the hydraulic drive of the brake system
SEQUENCE OF WORKS 1. To identify leaks in the hydraulic drive of the brake system, it is necessary to ensure that the vehicle is parked on a dry floor or platform. 2....

Checking the brake booster
SEQUENCE OF WORKS 1. Stop the engine. Press the brake pedal several times and hold it down. 2. Start the engine. If the vacuum booster is working properly, the brake...

Anti-lock braking system (ABS), BTCS and EBD
The ABS and BTCS systems enhance active safety while driving, with BTCS replacing the mechanical rear brake pressure regulator. The ABS system provides full control...

Fiesta car braking system
The brake system of the Ford Fiesta has been thoroughly modernized since 1996. Disc brakes are installed on the front axle, the thickness of the brake discs of which is...

Diagnostics and repair of the brake system
For the normal functioning of such an important system as the brake system, it is necessary to conduct regular checks, and not just the maintenance prescribed by the...

Checking the brake fluid level
Fig. 14.8. Low brake fluid level indicator lamp If the brake fluid level is low, a warning lamp lights up in the Fiesta instrument cluster (Fig. 14.8). If the brake...

Checking the brake system
You can check the brake system yourself on a flat, horizontal asphalt area closed to traffic. SEQUENCE OF WORKS 1. First of all, check the braking from a low speed of...

Measuring the thickness of the brake pads of the front disc brakes
The brake pads on the front disc brakes wear out faster than the brake pads on the rear brakes. Check the thickness of the brake pads every 15,000 km or once a year. On...

Checking the condition of the brake discs
After removing the wheels to check the condition of the brake pads, also check the condition of the brake discs. Brake disc dimensions, mm Diameter 240 Nominal thickness...

Measuring the thickness of the brake shoe linings of the rear drum brakes
The lining on the advancing brake shoe is always thicker than on the releasing brake shoe: during operation, the advancing brake shoe wears out faster, so both linings...

Removing air from the brake system (bleeding)
Bleeding the hydraulic brake drive is necessary to remove air, which significantly reduces braking efficiency. Air can get into the hydraulic drive due to...

Replacing brake fluid
The brake fluid should be replaced every two years. Not only the risk of steam bubbles strongly recommends replacing the brake fluid, but also the possibility of...

Removing the brake fluid reservoir from the brake master cylinder
SEQUENCE OF WORKS 1. Disconnect the brake fluid level sensor connector from the plug. 2. Unscrew the plug. Do not place the plug with the brake fluid level sensor on the...

Removing the master brake cylinder
Before removing the master cylinder, make sure there is no vacuum in the brake booster. To do this, remove the vacuum hose from the brake booster or press the brake...

Removing the brake booster
Before removing the master cylinder, make sure there is no vacuum in the brake booster. To do this, remove the vacuum hose from the brake booster or press the brake...

Removing the vacuum pump on vehicles with diesel engines
SEQUENCE OF WORKS 1. Remove the cylinder head cover. 2. Turn the crankshaft until the drive shaft completely removes the load from the pump tappet. 3. Remove the vacuum...

Removing the brake hose
SEQUENCE OF WORKS Fig. 14.15. Connecting the brake hose to the brake pipe: 1 – locking spring; 2 – mounting plate; 3 – threaded flange of the brake pipe; 4 – hexagon; 5...

Replacing disc brake pads
Fig. 14.17. Front disc brake: 1 – brake disc; 2 – clamp; 3 – outer brake shoe; 4 – inner brake shoe; 5 – mounting plate; 6 – bleed nipple; 7 – bolt; 8 – support; 9 –...

Removing the brake disc
If a brake disc needs to be replaced, both brake discs must be replaced to ensure uniform braking. When replacing the brake discs, the brake pads must also be replaced....

Checking the caliper piston and replacing the piston protective ring
If the protective ring is damaged or installed carelessly, dirt and moisture will penetrate into the caliper cylinder. In this case, it is necessary to replace the ring...

Removing the brake drum
20,000 km, 12 months SEQUENCE OF WORKS 1. Raise the vehicle to a level horizontal position and secure it on supports. Remove the rear wheel. 2. Remove the protective...

Replacing brake pads on rear drum brakes
Fig. 14.23. Rear wheel drum brake mechanism: 1 – rear brake protective cover; 2 – brake shoe; 3 – parking brake cable; 4 – stop; 5 – brake drum with wheel hub; 6 – Brake...

Removing the wheel brake cylinder
When you remove a wheel brake cylinder, brake fluid usually always leaks from the brake system hydraulic drive. You can prevent leakage of fluid if, before work, you...

Parking brake
Fig. 14.28. Connection of the front and rear parking brake cables: 1 – front parking brake cable; 2 – Rear left parking brake cable retainer; 3 – Rear left parking brake...

Replacing the parking brake cables
Front parking brake cable SEQUENCE OF WORKS 1. Raise the rear of the vehicle and secure it on supports. Place chocks or rocks under the front wheels. Remove the rear...

Adjusting the parking brake
First of all, check whether the parking brake cables are correctly positioned in the supports and clamps. The adjuster must also work flawlessly. SEQUENCE OF WORKS 1....

Possible malfunctions of the brake system
Possible malfunctions of the brake system, their causes and methods of elimination

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Fiesta 4
Fiesta 2