Leakage Test Under Pressure
WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools And Workshop Equipment Required
- Brake Pressure Gauge:VAG1310A
- Brake Pressure Gauge - Adapter M10:VAG1310/6
- or
- Brake Pressure Gauge - Adapter M8:VAG1310A/13
- or
- Brake Pressure Gauge - Adapter M7:VAG1310/1
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 the Brake Pressure Gauge:VAG1310A with the appropriate adapter and bleed.
-- Apply pressure to brake pedal until the gauge indicates a pressure of 50 bar (725 psi). The pressure must not drop by more than 4 bar (58 psi) during the test period of 45 seconds. Replace master cylinder if pressure drops greatly.