Brake system of the car Opel Astra J (petrol)

Features of the brake system
The Opel Astra J car is equipped with two independent brake systems: working and parking. The first, equipped with a hydraulic drive, provides braking when the...

Checking the position of the brake pedal
The correct position of the brake pedal in the free state and when pressed to the stop (pedal travel) serves as one of the criteria for checking the health of...

Checking the tightness of the hydraulic drive of the brake system
To prevent sudden failure of the brake system, carefully check the condition of all pipelines. Replace parts with new ones if there is the slightest doubt...

Checking the operation of the vacuum brake booster
You will need: pliers, rubber pear. If the vacuum booster fails, the force on the brake pedal increases significantly, which negatively affects driving. If the...

Checking the degree of wear of brake pads and discs
You will need: a balloon wrench, caliper or ruler. Note. If the vehicle pulls to one side or a strange noise is heard when braking, check the condition of the...

Checking the parking brake
The parking brake must hold the vehicle on a slope of 25% when the lever is moved in the vehicle interior by 7-9 teeth (clicks) ratchet device. Pic. 1....

Bleeding the hydraulic drive of the brake system
The hydraulic brake drive is pumped to remove air that got there when filling with liquid after replacing it or after repairing the hydraulic drive units...

Brake Fluid Replacement
According to the manufacturer's recommendation, the brake fluid should be replaced after 30 thousand km. mileage or 2 years of operation (whichever comes...

Replacing the reservoir of the main brake cylinder
You will need: TORX T20 wrench, thin blade screwdriver. 1. Disconnect the wire from the terminal «minus» battery. 2. Pry off the retainer of the expansion tank...

Replacing the master brake cylinder
You will need: TORX T20 wrench, socket «at 24» and a special key «at 13» for brake lines. Note. Brake line nuts are usually very tight. When you try to unscrew...

Replacing the vacuum brake booster
The vacuum brake booster is a complex structure that is difficult to disassemble. It requires qualified personnel and special equipment for its adjustment and...

General information about replacing brake hoses and tubes
Replace hoses and tubes if damaged. In addition, as a preventive measure, we recommend replacing hoses every 150,000 km or 5 years of vehicle operation...

Replacement of brake hoses
Four brake hoses are used on a car: two (front) for connecting pipelines to the working cylinders of the front brake mechanisms.. ...and two (rear) for...

Replacement of brake pipes
Connections of tubes with all units of the brake system and hoses, as well as the principles of their replacement, are the same. 1. To replace any tube,...

Removing and installing the brake pedal
The brake pedal is removed to replace it if there is a creak, seizing or increased play, as well as if the return spring is damaged. The brake pedal together...

Replacing the brake pads of the brake mechanism of the front wheel
Check the condition of the brake pads at every service. Brake pads need to be replaced when the pads are worn (minimum allowable thickness of friction linings...

Front wheel brake caliper replacement
The brake caliper is removed for replacement or repair, as well as to gain access to other units. You can remove the caliper only by partially disassembling...

Replacing the brake disc of the front wheel brake mechanism
You will need: TORX T30 wrench, wheel nut wrench. If there are scuffs, deep scratches and other defects on the working surface of the disc that increase pad...

Replacing the brake pads of the brake mechanism of the rear wheel
Check the condition of the brake pads at every service. Brake pads need to be replaced when the pads are worn (the minimum allowable thickness of the friction...

Rear wheel brake caliper replacement
The brake caliper is removed for replacement or repair, as well as to gain access to other units. You can remove the caliper only by partially disassembling...

Replacing the brake disc of the rear wheel brake mechanism
You will need: TORX T30 wrench, wheel nut wrench. If there are scuffs, deep scratches and other defects on the working surface of the disc that increase pad...

Parking brake actuator adjustment
To pre-check the correct adjustment of the parking brake drive, lift the drive lever up to the stop, while you should hear about 3 or 4 clicks of the ratchet...

Replacing the rear parking brake cables
Replace the rear parking brake cables if they are overstretched (impossibility of adjusting the parking brake), mechanical damage to the cable cores or their...

Removal and installation of the parking brake lever
Remove the lever assembly for replacement if the gear sector, pawl, or automatic drive adjustment mechanism is worn or damaged. You will need: key «on 10»,...