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Volkswagen Golf Mk7 Service & Repair Manual: Testing for leaks

Using brake pressure regulator tester -V.A.G 1310 A- with adapter -V.A.G 1310/6-, this page covers testing the hybrid Volkswagen Golf Mk7 hydraulic brake system for leaks.

Special tools and workshop equipment required
Tester for brake pressure regulator -V.A.G 1310 A-
   
Adapter M10 -V.A.G 1310/6-
Test prerequisites:
Brake system (hydraulic unit, brake hoses, brake lines and brake calipers) operating properly and free of leaks.
Carry out the following work:
Checking
–  Remove bleeder valve at one of front brake calipers.
–  Connect pressure gauge -V.A.G 1310 A- and bleed.
–  Apply pressure to brake pedal until gauge indicates a pressure of 50 bar. The pressure must not drop by more than 4 bar within the test period of 45 seconds. Renew brake master cylinder if drop in pressure exceeds specification.
 

Testing for leaksW00-11596

    Questions & answers

    Testing for leaks — Volkswagen Golf Mk7

    How do I test the Golf Mk7 GTE brake system for leaks?
    Same pedal-hold test as standard, plus check the -VX70- accumulator fittings for weeping.
    Pre-bleeding brake system pressure accumulator -VX70-
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    Electrical system
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