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:
Incorporation of high-voltage heater (PTC) - Z115- into coolant circuit
Note
In vehicles with a high-voltage system, the high-voltage
heater (PTC) -Z115- is used as a supplementary heater.
In vehicles with a high-voltage system and an auxiliary
heater installed as optional equipment, the ...
Removing and installing coolant pump
Special tools and workshop equipment required
Refractometer -T10007 A-
Drip tray for workshop hoist -VAS 6208-
Hose clip pliers -VAS 6340-
Cooling system charge unit -VAS 6096-
Adapter for cooling ...
Side airbags
Fig. 73 On the left-hand side of the vehicle:
deployment zones of side airbags (variant A). On the side of the front seat: location
and deployment range of the side airbag (variant B)
First read and observe the introductory information
and safety warnings The side airbags are located in th ...
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Hydraulic system
Subsequent bleeding of hydraulic system