volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Bleed the brake system with the filling and bleeding equipment > < Braking power adjustment specifications in function of the load
Bleed the brake system
Bleed the brake system
  WARNING
t  Use only new brake fluid, in accordance with standard US FMVSS 116 DOT 4.
t  The original VW/Audi brake fluid corresponds to this specification.
t  The brake fluid is toxic. Due to its acidic properties, it should not come into contact with painted surfaces.
t  The brake fluid is hygroscopic, which means it absorbs humidity from the atmosphere and, therefore, must always be stored in hermetically sealed containers.
t  Any brake fluid losses must be rinsed with water.
Particularities in the vehicles with ABS/EDS/ASR
t  When a brake fluid compensation reservoir chamber is completely empty (e.g. brake system leaks), the brake system must be bled.
Particularities on vehicles with steering wheel on the right side:
   
t  When a brake fluid compensation reservoir chamber is completely empty (e.g.: brake system leaks), or a hydraulic unit is replaced, after the basic adjustment the brake cylinder must be bled by the plugs -arrows-.
ABS MK 60 intake pressure:
To bleed the hydraulic system unit in the ABS MK 60, ensure the filling pressure of 1 bar is not exceeded. ? Use instructions for Brake filling and bleeding equipment -VAS 5234- or Brake filling and bleeding equipment - V.A.G 1869-.
ABS Bosch 5.7 and Bosch 8.0 previous pressure:
To bleed the hydraulic system unit in Bosch 5.7 and Bosch 8.0, a filling pressure of 2 bar is required.
  N47-0166

Bleed the brake system with the filling and bleeding equipment > < Braking power adjustment specifications in function of the load