Volkswagen Golf Service & Repair Manual: Testing for leaks
Special tools and workshop equipment
required |
Tester for brake pressure regulator -V.A.G 1310 A- |
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Adapter M10 -V.A.G 1310/6- |
Brake system (hydraulic unit, brake hoses, brake lines and
brake calipers) operating properly and free of leaks. |
Carry out the following work: |
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Remove bleeder valve at one of front brake calipers. |
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Connect pressure gauge -V.A.G 1310 A- and bleed. |
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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. |
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Note
Carry out subsequent bleeding when:
brake pedal travel is too long or so-called
»soft brake pedal«
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