Pressure Leak Test

Pressure leak test





Special tools required

Test requirements:





Brake system (hydraulic unit, brake hoses, brake lines and brake calipers) operating properly, leak free.
- Remove bleeder screw at a front caliper. Connect pressure gauge VAG 1310 or VAG 1310A and bleed.
- Install brake pedal depressor tool between brake pedal and driver's seat.
- Apply pressure to brake pedal until gauge indicates 50 bar (725 psi). Pressure must not drop by more than 4 bar (58 psi) during test period of 45 seconds.