Checking for Leaks

Checking for Leaks

Special tools, testers and auxiliary items required

• Brake Pressure Gauge 0-250 Bar (V.A.G 1310 A)

• Adapter M 10 (V.A.G 1310/6)

Test Prerequisites

• Brake system (hydraulic unit, brake hoses, brake lines and brake calipers) operating properly and free of leaks.

Perform the following:

Checking

- Remove the bleeder valve at one front brake caliper.

- Connect (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.