Checking For Leaks

WARNING: This page is about a different car, the 2016 Volkswagen e-Golf and 2015 Volkswagen e-Golf. 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

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.

-- Attach and bleed the pressure gauge :VAG1310A .

-- 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.