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: |
| – |
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. |
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Note
Carry out subsequent bleeding when:
brake pedal travel is too long or so-called
»soft brake pedal«
...
Other materials:
Pre-treatment of bonded surfaces when renewing laser-welded roofs
Using P180-grade sandpaper, dry-sand cathodic dip primer on
bonding surface for roof
→ Item down to bare metal.
–
Using P180-grade sandpaper, dry-sand bonding surface for
...
Releasing high pressure in fuel system
The fuel system is under high pressure.Risk of
injury due to fuel which may spurt out.Release high pressure.
Special tools and workshop equipment
required
Vehicle diagnostic tester
Releasing high pressure in fuel syst ...
Test after driving for 10 minutes
First read and observe the introductory information
and safety warningsReconnect the tyre filler hose and check the tyre pressure
on the tyre pressure display ⑥.
1.3 bar (19 psi / 130 kPa) and lower:
Do not drive on! The tyre cannot be sealed adequately with
the breakdown set.
...
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Subsequent bleeding of hydraulic system