Pressure Leak Test
Pressure Leak Test
Special tools, testers and auxiliary items required
• Brake Pressure Gauge 0-250 Bar (V.A.G 1310A)
Test Prerequisites
The brake system (hydraulic unit, hoses, lines and calipers) operating properly and free of leaks.
- Remove the bleeder valve from one of the front brake calipers.
- Connect the (V.A.G 1310 A) and bleed.
- Apply pressure to the 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 the master cylinder if pressure drops greatly.