volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Bleeding brake system > < Pressurised leak test
Test prerequisites:
Test prerequisites:
Brake system (hydraulic unit, brake hoses, brake lines and brake calipers) operating properly and free of leaks.
–  Remove bleeder valve at one of front brake calipers. Connect pressure gauge -V.A.G 1310 A- and bleed.
–  Apply pressure to brake pedal until gauge indicates a pressure of 50 bar. The pressure must not drop by more than 4 bar within the test period of 45 seconds. Renew brake master cylinder if drop in pressure exceeds specification.
   

Bleeding brake system > < Pressurised leak test