Brakes and Traction Control: Testing and Inspection

Brake system pressure/leak testing
Special tools and workshop equipment required





^ V.A.G 1310 A Brake system test unit

Test prerequisites:
^ 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 V.A.G 1310 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.