The diameter of the master brake cylinder on vehicles with engines «EZ», «RA», «SB» and «1Y» 20.64mm; on other car models 22.2 mm. The vacuum brake booster has a piston diameter of 228.6 mm.
On vehicles with diesel engines, the brake booster operates due to the vacuum created by the vacuum pump.
The pressure regulator operates depending on the load on the hydraulic drive of the rear wheels.
The parking brake is actuated by a cable, from a lever on the floor of the body.
With a properly adjusted parking brake system, the drive lever should move no more than four sector teeth.
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