Brake system of the car Mazda 121 (3)

Brake system — design description
The brake system consists of a master cylinder, a brake booster, disc brakes on the front wheels and drum brakes. The hydraulic braking system is divided into two...

Description of ABS/EBV/ASR systems
ABS : anti-lock brakes (ABS or ABS) when braking hard, it prevents the wheels from locking. The ABS system contains an EBV device. EBV : electronic brake force...

Brake system technical data
Brake system technical data Brake system without ABS (mm) with ABS (mm) New brake drum diameter 180 203 Brake drum wear limit 181 204 Wheel brake cylinder diameter 17,78...

Removal and installation of front brake pads
Removing Attention: If the pads are to be used further, they must be marked before removal. Changing pads between the right and left wheels and vice versa is not...

Checking the thickness of the brake discs
Examination Mark the position of the front wheels on the hubs, so that you can then install the wheels in their original positions. Loosen the wheel nuts with the...

Removing and installing brake caliper/brake disc
Note: If only the brake disc is to be removed, the brake line does not need to be unscrewed from the caliper. In this case, you need to hang the caliper on the body with...

Removal and installation of the brake drum and brake shoes
Removing Unhook the cover of the parking brake lever and unscrew it up through the handle. Loosen the parking brake cable adjusting nut. Mark the position of the rear...

Removal and installation of the wheel brake cylinder
Removing Attention: Release the pressure in the brake system by depressing the brake pedal at least 20 times. Remove brake drum. Clamp the brake hose with suitable...

Brake fluid — description and safety measures
Pay attention to the following when working with brake fluid: Precautions: Brake fluid is poisonous. Never suck up brake fluid by mouth through the hose. Fill brake...

Removal of air from the brake system
After each repair of the brakes, in which the hydraulic drive system was opened, air can be trapped in it. Therefore, you need to remove it. An indication of the...

Removal and installation of a brake hose
The piping system connects the master brake cylinder to the brake cylinders of the four wheels. Attention: It is better to replace rigid brake pipes made of metal in a...

Checking the brake booster
It is necessary to check the operation of the brake booster when the force on the brake pedal becomes unusually high. With the engine off, press the brake pedal at least...

Removal and installation of the switch of a signal of braking
The brake light switch is located on the pedal unit. When you press the brake pedal, the switch turns on the brake signal. In addition, the switch serves as a signal...

Parking brake adjustment
The rear wheel brakes are automatically adjusted according to the wear of the brake pads. Adjustment of the parking brake is therefore only necessary when the parking...

Removal and installation of the parking brake lever
Removing Unhook the parking brake lever cover and fold it up through the handle. Loosen the parking brake cable adjusting nut. Loosen the parking brake lever mounting...

Removal and installation of a back cable of a parking brake
Removing Unhook the cover of the parking brake lever and fold it up through the lever. Loosen adjusting nut (2) parking brake cable. Mark the position of the rear wheels...

Brake fault diagnosis
Brake fault diagnosis