VW Golf manuals

Volkswagen Golf Service & Repair Manual: Testing 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

Pre-bleeding brake system pressure accumulator -VX70-
Special tools and workshop equipment required     Sealing plug repair kit -1H0 698 311 A- & ...

Electrical system
...

Other materials:

Mounting tyre, wheels without and with tyre pressure monitoring
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Vapour pressure
In an enclosed container that is not completely full, refrigerant evaporates as vapour at the surface in a quantity sufficient to form an equilibrium between vapour and liquid. This equilibrium develops under pressure and is often called vapour pressure. ...

Wear in middle of tyre
This wear pattern is found on the driven wheels of high-performance vehicles that are frequently driven long distances at high speeds. At high speeds, centrifugal forces cause the tyre diameter to increase more in the middle of the tread ...

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