The most important part of the brake system of passenger cars is the A.B.S. brand Adjuster, drum brake. Its purpose is to counteract the skidding of the rear axle of the vehicle during braking. Such a regulator is used to change the pressure of the brake fluid directly in the brake cylinders of passenger vehicles. This unit is used in pneumatic and hydraulic brake drives. The main purpose of changing the pressure is considered to be preventing the wheels from locking, as well as skidding the rear axle.

1. 850 (854)
2. 850 Estate (855)
3. 850 Rural (855)
4. S70 (874)
5. S70 Saloon (874)
6. V70 I (875, 876)
7. V70 � (875, 876)
8. C70 I Coupe (872)
9. C70 I Convertible (873)
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The operation of a drum brake adjuster

In order to maintain controllability of the car, providing it with ideal stability, a drum brake adjuster can be installed in the wheel drive. This will increase the efficiency of vehicle braking. The grip strength of the car with the roadway is always different. It depends on the presence or absence of cargo in transport. Therefore, the braking forces of each of the axles should be adjusted. If the car is loaded, drum brake adjusters are needed. Some cars are equipped with automatic devices.