Master brake cylinder
The main brake cylinder with two coaxial pistons.
Brand: ATE or FAG.
Diameter of the main brake cylinder, mm: 20.64.
Piston stroke, mm:
- primary circuit: 14.5;
- secondary circuit: 12.5.
Vacuum brake booster
Brand: Bendix Mastervac, ATE (Teves) or FAG (Shiter).
Piston diameter, inches:
- cars with carburetor engines up to 1985 model year: 7;
- vehicles with fuel-injected engines prior to MY 1985 and all vehicles from MY 1985: 9.
Distance between the center of the hole of the pusher fork and the bearing surface of the vacuum brake booster, mm:
- before MY 1985: 189;
- from model year 1985: 222.5±0.5.
Pressure regulator
The regulator regulates the pressure in the hydraulic drive of the rear wheel brakes depending on the load on the rear axle of the vehicle.
Pressure regulator test data*
* The test is carried out on an equipped car with a driver and a full fuel tank.
**The numerator is for vehicles prior to MY 1985 and the denominator is for vehicles since MY 1985.
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