Brake system of the car Opel Frontera B

Technical data
Brake system Brake fluid -type D0T4 - replacement frequency every 2 years Front wheel brake Piston diameter, mm 60,38 Brake disc, mm: - effective diameter 222...

General information
The braking system ensures that the vehicle speed is regulated and stopped with the required efficiency. The vehicles use a hydraulic service brake system with...

Information on brake system repair
When removing the wheel from the vehicle, loosen the wheel nuts and mark the position of the wheel relative to the wheel hub. This marking must be taken into...

Brake fluid
Brake fluid is a mixture of glycol, polyglycol ether and several other components. This liquid is yellowish in color, very toxic and aggressive for the car's...

Brake pedal
Removal Disconnect the negative battery cable and wait 5 minutes before continuing. Under the steering column, disconnect the yellow 3-pin electrical connector...

Bleeding the hydraulic brake drive
Bleeding the hydraulic brake drive is necessary to remove air, which significantly reduces braking efficiency. Air can enter the hydraulic drive due to...

Checking brake pads
Raise the vehicle and support it on supports. Remove the appropriate wheel. Check the brake pad thickness and replace them when the wear indicator makes a...

Checking the brake disc
Warnings: Brake discs must not have deep scratches or grooves caused by contamination or heavily worn linings. Scratches cut deep into new brake pads, which...

Adjusting the clearances of the parking brake shoes
Warning: Before adjusting the parking brake shoe clearances, adjust the parking brake lever travel. Loosen the parking brake cable. Adjust the parking brake...

Adjusting the parking brake cable
Remove the screws and remove the rear console. Adjust the parking brake shoe clearances ( see the relevant chapter ). Adjust the parking brake cable as...

Checking the parking brake pads
Remove the rear brake caliper ( see the relevant chapter ). Remove the brake disc ( see the relevant chapter ). Measure the friction lining thickness of all...

Rear brake pressure regulator
Warning! The rear brake pressure regulator is not repairable and must be replaced as an assembly. Checking and adjusting When checking the rear brake pressure...

Grinding in brake discs and pads
After mechanical treatment or replacement of brake discs and pads, and also in case of decrease in braking efficiency when pressing the brake pedal, perform...

Replacing the front brake pads
Warnings: Avoid getting oil on the brake disc. When replacing brake pads, also replace the brake pad linings. After mechanical treatment of the brake discs or...

Front brake caliper
Front brake caliper The brake mechanism with a sliding caliper has a small number of parts, including seals, and a small mass. Since heat transfer occurs...

Front Brake Caliper Repair
Disassembly Remove the front brake caliper ( see the relevant chapter ). Use a small screwdriver to remove the dust seal ring. Remove 2 dust covers (2),...

Front brake disc
Removal Loosen the front wheel mounting nuts. Raise the front of the vehicle and support it on jack stands. Loosen the nuts and remove the front wheel. Loosen...

Front brake guard
Removal Remove the caliper, lift it up, remove it from the brake pad guide and secure it to the front suspension strut with soft wire, without disconnecting...

Replacing rear brake pads
Before replacing the rear brake pads, read the warnings in chapter " Replacing the front brake pads ". Removal Remove the cap from the brake system reservoir...

Rear Brake Caliper Repair
Rear brake caliper Disassembly Remove the rear brake caliper ( see the relevant chapter ). Using a small screwdriver, remove the dust seal ring from the...

Rear brake disc
Removal Loosen the rear wheel mounting nuts. Raise the rear of the vehicle and support it on stands. Loosen the nuts and remove the rear wheel. Remove the...

Rear brake guard
Removal Remove the rear brake caliper ( see the relevant chapter ). Remove the rear wheel hub assembly with the brake disc ( see the relevant chapter ). Remove...

Replacing the parking brake pads
Location of parking brake components Removal Loosen the rear wheel mounting nuts. Raise the rear of the vehicle and support it on stands. Loosen the nuts and...

Parking brake lever
Removal Remove the screws and remove the rear console. Disconnect the connector (2) from the parking brake lever limit switch. Remove the bolts (4), loosen the...

Parking brake cables
Parking brake cables: 1, 2, 3 and 4 - parking brake cable clamp mounting bolts; 5 - nuts; 6 - nut; 7 - retainer; 8 - rear parking brake cable; 9 - Parking...

Parking brake cable compensator
Removal Remove the screws and remove the rear console. Loosen the lock nut (1) and unscrew the adjusting nut. Disconnect the pin (2) of the short parking brake...

Brake pipes and hoses
If any hose or tube needs to be replaced, it is important to minimize the loss of brake fluid. To do this, first remove the cap from the refill tank, then put...

Master brake cylinder
Master cylinder and brake booster: 1 - pin; 2 - nuts; 3 - vacuum hose; 4 - refill tank; 5 - brake booster Removal Disconnect the cable from the negative...

Vacuum brake booster
Removal Disconnect the cable from the negative battery terminal. Disconnect the vacuum hose (3) from the brake booster (5). Master cylinder and brake booster:...

Adjusting the position of the brake booster pushrod
Disconnect the cable from the negative battery terminal. Disconnect the vacuum hose from the brake booster. Remove the brake master cylinder ( see the relevant...

Anti-lock braking system (ABS)
The anti-lock braking system prevents the wheels from locking during sudden braking. Thanks to this, the car remains controllable under maximum braking. ABS is...

Electrohydraulic control unit for anti-lock braking system (ABS 325)
Removal Disconnect the cable from the negative battery terminal. Loosen the union nuts and disconnect the brake pipes from the hydraulic modulator. Warning! To...

Front wheel speed sensor
Removal Loosen the front wheel mounting nuts. Raise the front of the vehicle and support it on jack stands. Loosen the nuts and remove the front wheel. Remove...

Rear wheel speed sensor
Removal Raise the rear of the vehicle. Disconnect the rear wheel speed sensor connector. Remove the bolt and remove the sensor from the rear axle. Installation...

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