Pressure Leak Test

Special tools and workshop equipment 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.

-- 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.