The brake fluid reservoir is located in the engine compartment above the master brake cylinder and supplies brake fluid to the entire brake system.
The vacuum booster uses the vacuum generated during engine operation. Since diesel engines provide insufficient vacuum, in them it is created by a vacuum pump mounted on the cylinder head. The vacuum pump is driven by a camshaft.
The front disc brakes have so-called floating calipers. The rear disc brakes use dual-piston brakes.
The parking brake acts on the rear wheels through a drive cable. In the rear disc brakes, there are additionally two drum brakes at the rear, combined with a brake disc. These drum brakes are operated by the parking brake lever only.
The clearance in the brake mechanisms of all wheels is adjusted automatically.
Attention! When working on the brake system, never inhale the dust generated by the wear of the friction linings. Linings may contain asbestos, which is hazardous to health!
Brake pads vary by car model. It is recommended to use branded pads Opel.
When working on the brake system, exceptional cleanliness and precision must be observed. In the absence of experience in carrying out such work, they should be entrusted to service station specialists.
Note. On wet roads, lightly depress the brake pedal from time to time to dry the discs. Although the brake discs are shed by centrifugal force while driving, they are left with a thin film of oil and other contaminants that reduce braking performance.
When parking the vehicle after driving in the rain (especially in winter when the roads are covered with salt) it is advisable to lightly press the brake pedal before stopping to dry the discs.
After installing new brake pads, they should run in. Avoid sudden braking during the first 200 km.
Rusted disc brakes create a screeching and screeching noise when braking that can't be eliminated even with prolonged braking. In this case, the brake discs must be replaced.
Burnt dirt on the brake linings and clogged drain grooves lead to the formation of grooves on the brake disc. This results in reduced braking efficiency.
Attention! If there is a change in the brake pedal stroke when cornering, check the runout of the brake discs, if necessary, replace the defective discs.
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