The diameter of the main brake cylinder on cars with engines "EZ", "RA", "SB" and "1Y" 20.64 mm; on other car models 22.2 mm. The brake booster has a piston diameter of 228.6 mm.
On vehicles with diesel engines, the brake booster operates using the vacuum created by the vacuum pump.
The pressure regulator operates depending on the load on the hydraulic drive of the rear wheels.
(The text is copied from this portal: «VWmanual.ru»)
The parking brake is cable-operated, from a lever on the floor of the body.
When the parking brake system is correctly adjusted, the drive lever should move no more than four teeth of the sector.
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