Brakes and Traction Control: Testing and Inspection

Pressure leak test

Special tools, testers and auxiliary items required





^ Brake pressure gauge 0-250 bar V.A.G 1310 A

Test conditions:
Brake system (hydraulic unit, brake hoses, brake lines and brake calipers) operating properly and free of leaks.
- Remove bleeder screw at one of the front brake calipers. Connect from brake pressure gauge V.A.G 1310 A and bleed.
- Apply pressure to brake pedal until the gauge indicates a pressure of 50 bar. The pressure must not drop by more than 4 bar during the test period of 45 seconds. Replace master cylinder if pressure drops greatly.