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Bleeding (normal): > < Bleeding brake system using brake filling and bleeding unit VAS 5234 or V.A.G?1869

Leon Mk1

Pre-bleeding:
Pre-bleeding:
–  Connect brake filling and bleeding unit -VAS 5234- or -V.A.G 1869-.
–  Reduce the brake fluid pressure to 1 bar at the brake filling and bleeding unit -VAS 5234- or -V.A.G 1869-.
Bleeding sequence:
1 - Bleed front left and front right brake calipers simultaneously.
2 - Bleed rear left and rear right brake calipers simultaneously.
–  Leave bleed valves open until, with bleed hoses still fitted, brake fluid discharges free of air bubbles.
The hydraulic unit must then be bled again with tester -VAS 5051- via function “basic settings”.
Initiate basic settings to bleed brake system.
Connecting -VAS 5051- and selecting functions → Chapter.
–  Then bleed brake system as normal.
   

Bleeding (normal): > < Bleeding brake system using brake filling and bleeding unit VAS 5234 or V.A.G?1869