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:
Removing and installing front side airbag with side airbag igniter
-N199-/-N200-
Removing
WARNING
Observe safety instructions for pyrotechnic
components
→ Chapter.
Observe the additional safety regu ...
Checklist
The following steps should always be carried out in the specified
order before working in the engine compartment :
Park the vehicle on a level and stable
surface.
Depress and hold the brake pedal until
the engine has stopped.
Switch on the electronic parking brake
Braki ...
Bag hook
Fig. 100 In the luggage compartment: bag
hook
First read and observe the introductory information
and safety warnings There may be a bag hook on upper left and right-hand
side of the luggage compartment (arrows).
WARNING
Never use the bag hooks as fastening rings for straps. The bag ...
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Hydraulic system
Subsequent bleeding of hydraulic system