Brake system of the car Mazda 6 (GG)

General information about the braking system
The vehicles described in this manual are equipped with a hydraulic brake system. The front brakes are disc brakes, the rear brakes are disc or drum brakes. All brakes...

Trauma-safe brake pedal — description
The design of the safety brake pedal minimizes the amount of pedal backstroke. This ensures that the force of the impact on the lower part of the driver's body is...

Vacuum brake booster — description
The brake booster reduces the force on the brake pedal, making it easier to control the car. The brake booster uses a diaphragm, on both sides of which a vacuum is...

Master Brake Cylinder — Description
The brake master cylinder is used on dual circuit brake systems. The front right and rear left brake mechanisms are actuated by the primary piston, and the front left...

Pressure regulator — description
The pressure regulator limits the output pressure to the rear brakes after the pressure has reached the maximum value in the master cylinder. The regulator is used when...

Brake Fluid Level Sensor — Description
The brake fluid level sensor, located in the brake fluid reservoir, turns on the BRAKE indicator lamp when it detects a low fluid level. Once the level returns to...

Anti-lock braking system (ABS) — description
Braking is most effective when the tire's grip on the road surface is at its maximum. During braking, the tire slides along the surface and the wheel's circumferential...

Dynamic Stability Management — Description
The DSC HU/CM hydraulic control mechanism and system control strategy are essentially the same as those of the previous 323 model, with the following exceptions: dSC...

DSC warning light — description
The DSC indicator lamp is located in the instrument cluster and notifies the driver that DSC is activated (the car is in sideways slip) or TCS activation (drive wheel...

DSC switch, DSC off indicator lamp
The DSC switch is located on the instrument panel and switches off DSC when the corresponding button is pressed. The DSC off indicator lamp is located in the instrument...

Integrated Dynamic Stability Control Sensor
The yaw rate sensor and lateral G-force sensor are combined. The combined sensor is mounted on the left side of the parking brake lever (left hand drive models) or on...

DSC HU/CM Dynamic Stability Control Unit
A compact and lightweight integrated DSC HU/CM unit with increased reliability is used. The DSC HU/CM unit calculates the input signals of all sensors and controls the...

Emergency Brake Control
During emergency braking, the DSC HU/CM increases the brake fluid pressure by increasing the pressure in the master cylinder, so that greater braking force is achieved...

Controller Area Network (CAN)
Anti-lock braking system (ABS/TCS) and DSC HU/CM transmit/receive information via CAN. They transmit information. About the path traveled. About the speed of the wheel....

On-board diagnostics of the brake system
The operation of the on-board diagnostics system of the anti-lock braking system (ABS/TCS) or DSC is essentially carried over from the previous model 323 (BJ), with the...

Checking and adjusting the brake system components
Check the brakes on a dry and level road, at different vehicle speeds with light and strong pressure on the brake pedal, avoiding locking the brakes and slipping the...

Checking the brake fluid level in the hydraulic reservoir of the service brake system
The brake fluid reservoir is located in the engine compartment. The reservoir has a transparent body, so the brake fluid level can be monitored from the outside. The...

Brake hoses — checking
Brake hoses should be checked at least twice a year. To prevent sudden failure of the brake system, carefully check the condition of all pipes and connections, paying...

Bleeding the brake system
Note: The brake hydraulic system must be bled whenever the brake lines are disconnected. If a hydraulic line is disconnected from a master cylinder, bleeding should...

Checking the vacuum hose check valve (brake booster)
Remove the clamps and vacuum hose. Fig. 6.14. Check valve testing diagram Apply vacuum and pressure alternately to the vacuum hose on the engine side and make sure that...

Checking the brake pedal height
Make sure the distance from the floor mat to the center of the top surface of the pedal support area is within the specified range. Pedal height (control value)

Adjusting the height of the brake pedal
Loosen lock nut B and turn the bolt until it stops against the pedal. Loosen lock nut D and turn rod C to adjust the height. Tighten bolt with lock nut B. Tightening...

Checking the brake pedal clearance
Press the pedal several times to eliminate the vacuum in the system. Remove the spring pin, make sure the holes in the fork and pedal line up and reinstall the pin....

Adjusting the brake pedal clearance
Remove the spring pin and the pin with the head and hole for the cotter pin. Fig. 6.16. Adjusting the brake pedal clearance Loosen lock nut D and turn rod C until the...

Checking the pedal-to-floor clearance
Start the engine and press the brake pedal with a force equal to 588 N. Fig. 6.17. Checking the pedal-to-floor clearance Make sure that the distance from the floor panel...

Checking the brake light switch
Disconnect the negative battery cable. Disconnect the brake light switch connector harness. Fig. 6.18. Brake light switch test diagram Check for electrical continuity...

Removal and installation the brake pedal
Removal For models with automatic transmission - remove the locking mechanism with the brake light switch (right hand drive models only). Fig. 6.19. Procedure for...

Removal and installation the master brake cylinder
Removal Caution! Do not allow brake fluid to come into contact with painted surfaces. If brake fluid does come into contact with a painted surface, wash it off...

Checking the liquid level sensor
Disconnect the negative battery cable. Disconnect the sensor connector. Fig. 6.27. Liquid level sensor testing diagram Check the continuity of the circuit between the...

Disassembly and assembly of the master cylinder
Caution! If the master cylinder housing is damaged, replace the master cylinder assembly. When securing the master cylinder in a vice, clamp only the master cylinder lug...

Removal and installation the front brake disc
Fig. 6.34. Front brake mechanism: 1 – flexible hose; 2 – lid; 3 – guide pin; 4 – support; 5 – M-shaped spring; 6 – brake disc pad; 7 – guide plate; 8 – support; 9 –...

Checking the brake disc and brake components
Check the inner cylinder walls for corrosion, wear and damage. Replace the cylinder body if necessary. Remove minor defects caused by corrosion or foreign particles by...

Replacing the front brake pads
When the cylinder body is open, do not press the brake pedal, otherwise the piston will jump out. Do not damage the piston dust boot and do not allow oil to get on the...

Checking the parking brake system
Pull the parking brake lever several times. Press the brake pedal several times. Check the travel of the parking brake lever by pulling the parking brake lever with a...

Removal, checking and installation the rear ABS wheel speed sensor
Fig. 6.49. Rear ABS wheel speed sensor: 1 – connector; 2 – mounting bracket bolts; 3 – sensor The installation location of the rear ABS wheel speed sensor is shown in...

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Mazda6 GG (2002-2008)