Brake system of the car Opel Astra G

General information about the brake system
General information All models of cars considered in this Manual are equipped with a hydraulic brake system with vacuum booster. Disc brakes are always...

Brake system specifications
General parameters System type Front disc brakes, rear disc brakes or drum, depending on the model. Double hydraulic circuit with diagonal division. Vacuum...

Anti-lock Brake System (ABS) and Traction Control System (TCS) — General Information and Error Codes
General information The anti-lock braking system (ABS) is included as standard in all models under consideration. The anti-slip system (TCS) can be installed...

Bleeding the brake system
Bleed the brake system wearing protective glasses. If brake fluid accidentally gets into your eyes, rinse them immediately with plenty of water and seek...

Checking the condition and replacing brake lines and hoses
Approximately every six months, lift the car and check all flexible hoses connecting the steel tubes of the hydraulic circuits to the brake mechanisms of the...

Replacing the front disc brake pads
To avoid the car pulling to one side during braking, the brake pads must be replaced simultaneously on both front/rear brake mechanisms. Remember that the dust...

Replacing the rear wheel disc brake pads
To avoid the car pulling to one side during braking, the brake pads must be replaced simultaneously on both front/rear brake mechanisms. Remember that the dust...

Replacing the shoes of the rear wheel drum brake mechanisms
The shoes must be replaced simultaneously on both brake mechanisms. Remember that the dust generated during operation of the brake mechanisms may contain...

Checking the condition, removing and installing the brake disc
Checking the status 1. Loosen the wheel bolts, jack up the car and place it on stands. Remove the wheel in question, then replace the pair of wheel bolts to...

Removal, inspection and installation of the brake drum
Remember that the dust generated during operation of the brake mechanisms may contain asbestos, which is extremely harmful to human health. Never blow off dust...

Removal, repair and installation of front wheel disc brake calipers
Remember that the dust generated during operation of the brake mechanisms may contain asbestos, which is extremely harmful to human health. Never blow off dust...

Removal, repair and installation of rear wheel disc brake calipers
Remember that the dust generated during operation of the brake mechanisms may contain asbestos, which is extremely harmful to human health. Never blow off dust...

Removal, maintenance and installation of wheel cylinders of drum brake mechanisms of rear wheels
In case of brake fluid leaks, wheel cylinders must be replaced without fail. Manufacturers do not recommend attempting to perform restorative repairs on these...

Removal and installation the master brake cylinder
A failed brake master cylinder must be replaced. Manufacturers do not recommend attempting to perform a refurbishment of the brake master cylinder. Removal The...

Removal and installation the foot brake pedal
Removal 1. Disconnect the negative cable from the battery and set it aside. 2. Remove the instrument panel (see Chapter On-board electrical equipment ). 3....

Checking the proper functioning/tightness, removing and installing the brake booster assembly
Checking the correct functioning 1. Without starting the engine, press the foot brake pedal several times. Make sure there is no change in the amount of...

Removal, checking the correct operation and installation of the brake booster check valve
Removal 1. Using a screwdriver, carefully remove the vacuum hose with adapter from the front of the brake booster servo assembly. 2. Disconnect the hose from...

Removal and installation the brake booster servo vacuum pump (diesel models)
Removal 1. On models with 1.7 l engines the vacuum pump is mounted on the rear of the generator 2.0L engines the vacuum pump is mounted on the left side of the...

Checking the proper functioning of the brake booster servo vacuum pump (diesel models)
To check, you will need a vacuum gauge. Examination The check is carried out using a vacuum gauge. 1. Disconnect the vacuum tube from the pump and connect the...

Adjusting the parking brake drive
Adjustment is carried out in accordance with the Schedule of current maintenance (see Chapter Routine maintenance ), as well as every time after replacing or...

Removal and installation the parking brake lever
1. Remove the center console cover and the lever protective cover. 2. Completely unscrew the adjusting nut. 3. Remove the center console (see Chapter Body )....

Removal and installation parking brake cables
Removal On models with drum brakes on the rear wheels the drive cable consists of four sections: a short front (primary) section that connects the control...

Removal, installation and adjustment of the brake light switch sensor
Removal The switch sensor is attached to the foot brake pedal bracket. 1. Remove the lower section of the instrument panel trim (see Chapter On-board...

Removal and installation the parking brake arming indicator light switch sensor
1. Remove the center console (see Chapter Body ). 2. Disconnect the electrical wiring from the sensor switch installed in front of the parking brake lever....

Removal and installation of ABS and TCS components
Hydraulic modulator and electronic control unit (ECU) Removal 1. Remove the battery (see Chapter Engine electrical equipment ). 2. Disconnect the two multi-pin...

Removal, installation and adjustment of the pressure regulator valve in the hydraulic circuits of the rear wheel brake mechanisms
Removal 1. Support the front wheels with wheel chocks, jack up the rear of the car and place it on supports. 2. Remove the cap from the brake master cylinder...

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information: