Volkswagen Golf Service & Repair Manual: Bleeding hydraulic system following standard procedure
 Note
| Bleeding the hydraulic system using brake filling and
bleeding equipment -VAS 5234- is described. |
| A pre-pressure of 2 bar is required for bleeding the ABS
hydraulic unit -N55-. |
| Special tools and workshop equipment
required |
|
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| Brake filling and bleeding equipment -VAS 5234- |
|
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| Tool set for brake bleeding -VAS 6564- |
| Carry out the following work: |
| – |
On vehicles with 15-inch rims, remove rear wheels. |
Note
| Adhere strictly to work sequence when bleeding brake system. |
| – |
Connect brake filling and bleeding equipment -VAS 5234-. |
| – |
Open bleeder valves in specified order and bleed brake
calipers. |
| 1 - |
Front left brake caliper |
| 2 - |
Front right brake caliper |
| 3 - |
Rear left wheel brake cylinder |
| 4 - |
Rear right wheel brake cylinder |
| 5 - |
Brake system pressure accumulator -VX70-, LHD vehicles |
| Use suitable bleeder hose. It must sit tightly on bleeder
valve so that no air can enter brake system: |
| – |
Leave bleeder valve of each brake caliper open with bleeder
hose fitted until brake fluid discharges free of air bubbles. |
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General notes on brake fluid
Only use new brake fluid conforming to VW standard
(VW 501 14).
Note
...
Note
Carry out subsequent bleeding when:
brake pedal travel is too long or so-called
»soft brake pedal«
...
Other materials:
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:
...
Removing and installing air distribution housing
Note
The illustration shows a left-hand drive vehicle. The
removal and installation procedure is identical for both
versions.
Removing
–
Remove heater ...
Functional description
The auxiliary and supplementary heater can be started by
means of the remote control, the instant heating button or
appropriate programming in the central monitor. The
supplementary heater mode is started automatically by the
vehicle electronics system o ...
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Hydraulic system
Subsequent bleeding of hydraulic system