Volkswagen Golf Service & Repair Manual: Pre-bleeding brake system pressure accumulator -VX70-
| Special tools and workshop equipment
required |
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|
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| Sealing plug repair kit -1H0 698 311 A- |
|
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| – |
Connect commercially available bleed bottle
-2- to brake system pressure
accumulator -VX70--1- using
suitable bleed hose. |
| – |
Open bleeder valve -arrow A-. |
| – |
Fill in brake fluid until it flows bubble-free out of
threaded hole -arrow B-. |
| – |
Close bleeder valve -arrow A-. |
| – |
Seal threaded hole -arrow B-
using sealing plugs from repair kit -1H0 698 311 A-. |
| – |
Install brake system pressure accumulator -VX70-
→ Chapter. |
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|
Note
Carry out subsequent bleeding when:
brake pedal travel is too long or so-called
»soft brake pedal«
...
Special tools and workshop equipment
required
Tester for brake pressure regulator -V.A.G 1310 A-
...
Other materials:
Assembly overview - high-pressure pump
1 -
Roller tappet
When installing lubricate lightly with clean engine oil
2 -
O-ring
Renew
When installing lubricate lightly with clean engine oil
3 -
High-pressure pum ...
Assembly overview - brake caliper FS III
When carrying out repairs, install all parts supplied in repair kit.
Use only methylated spirits for cleaning the brake.
Apply thin coat of lithium grease -G 052 150 A2- to brake cylinder,
piston and seal.
1 -
Dust cap
...
Safety precautions when working on fuel supply system
Risk of injury due to highly-pressurised fuel.
The fuel system is under high pressure. Risk of injury due to fuel
which may spurt out.
–
Release high pressure before opening the fuel system.
& ...
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Subsequent bleeding of hydraulic system
Testing for leaks