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 brake system is divided into two...

Description of ABS/EBV/ASR systems
ABS : anti-lock braking system (ABS or ABS) prevents wheels from locking during sudden braking. The ABS system contains an EBV device. EBV : Electronic brake force...

Technical data of the brake system
Technical data of the brake system Brake system without ABS (mm) with ABS (mm) Diameter of the new brake drum 180 203 Brake drum wear limit 181 204 Wheel brake cylinder...

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

Checking the thickness of 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 vehicle...

Removal and installation the brake caliper/brake disc
Note: If only the brake disc is to be removed, do not unscrew the brake line from the caliper. In this case, hang the caliper on the body using a wire so that the hose...

Removal and installation the brake drum and brake shoes
Removal Unhook the parking brake lever boot and swing it upwards through the handle. Loosen the parking brake cable adjusting nut. Mark the position of the rear wheels...

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

Brake fluid — description and safety precautions
When working with brake fluid, pay attention to the following: Precautions: Brake fluid is poisonous. Never suck brake fluid through the hose with your mouth. Pour brake...

Bleeding the brake system
After each brake repair, during which the hydraulic system was opened, air may appear in it. Therefore, it must be removed. An indication of the presence of air in the...

Removal and installation the brake hose
The pipeline system connects the master brake cylinder to the brake cylinders of the four wheels. Note: It is better to replace rigid metal brake pipes in a workshop, as...

Checking the brake booster
The operation of the brake booster should be checked when the force on the brake pedal becomes unusually high. With the engine not running, press the brake pedal at...

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

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

Removal and installation the parking brake lever
Removal Unhook the parking brake lever boot and fold it up over the handle. Loosen the parking brake cable adjusting nut. Loosen the parking brake lever mounting bolts....

Removal and installation the rear parking brake cable
Removal Unhook the parking brake lever boot and swing it up over the lever. Loosen the adjusting nut (2) of the parking brake cable. Mark the position of the rear wheels...

Brake fault diagnostics
Brake fault diagnostics

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More sections on repairs of other Mazda models
• Chassis: Brake system Mazda Familia 6 (1989-1994)
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• Chassis: Brake system Mazda3 BK (2003-2009)
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• Chassis: Brake system Mazda CX-5KE (2012-2017)

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