Passat GLS Wagon L4-1.8L Turbo (AUG) (2001)
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Brake Master Cylinder: Testing and Inspection
Pressure leak test
Special tools and workshop equipment required
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VAG 1310 A Brake system test unit
Test prerequisites:
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Function and proper seal of brake system (hydraulic unit, brake hoses, brake lines and brake calipers).
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Remove bleed screw at one of the front brake calipers. Connect pressure gauge from VAG 1310 and bleed.
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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. If pressure drops greatly replace master cylinder.
