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Brakes and Traction Control: Testing and Inspection



Pressure leak test

Special tools and equipment





^ VAG 1310 A Brake pressure gauge

Requirements:
Brake system (hydraulic unit, brake hoses, brake lines and brake calipers) operating properly and free of leaks.
- Remove bleed screw at one of the front brake calipers. Connect pressure gauge from VAG 1310A 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 (58.01 psi) during the test period of 45 seconds. Replace master cylinder if pressure drops greatly.
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