Volkswagen Golf Service & Repair Manual: Removing and installing brake master cylinder, LHD vehicles
| Special tools and workshop equipment
required |
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| Brake filling and bleeding equipment -VAS 5234- |
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| Torque wrench -V.A.G 1331- |
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| – |
If vehicle has a coded radio, note radio code or, if
necessary, request it. |
| – |
Disconnect battery
→ Electrical system; Rep. gr.27 |
| – |
Remove battery
→ Electrical system; Rep. gr.27. |
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| Vehicles with diesel engine: |
| – |
Remove engine cover panel. |
| – |
Loosen hose clip -1- and remove
air intake hose and air filter housing
→ Rep. gr.23. |
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| – |
Loosen hose clips -2- and
-3-. |
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Remove air intake hose -1- and
air filter housing
→ Rep. gr.24. |
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| Continuation for all models: |
| – |
Remove battery tray
→ Electrical system; Rep. gr.27. |
| – |
Place sufficient lint-free cloths in area of engine and
gearbox. |
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| – |
Draw off as much brake fluid as possible from brake fluid
reservoir using brake filling and bleeding equipment -VAS 5234-. |
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| Vehicles with manual gearbox: |
| – |
Pull off supply hose -1- for
clutch master cylinder, seal it using sealing tool -T10249- and
tie it up, or clamp off supply hose -1-
for clutch master cylinder using commercially available tool,
e.g. Hazet 4590, and pull it off. |
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| Continuation for all models: |
| – |
Disconnect connector from brake fluid level warning contact
-F34--3-, from vacuum sender -G608--2-
(if fitted) and from brake light switch -F--1-. |
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| – |
Unscrew Torx bolt -1- and pull
brake fluid reservoir -2- out of
sealing plugs. |
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| – |
Unscrew brake lines -1- from
brake master cylinder, and seal brake lines with plugs from
repair kit with part no. 1H0 698 311 A. |
| – |
Unscrew nuts -2- from brake
master cylinder. |
| – |
Remove heat shield (if installed). |
| – |
Carefully take brake master cylinder out of brake servo. |
| – |
Unscrew brake light switch -F- from brake master cylinder. |
| Install in reverse order of removal, observing the
following: |
| – |
When assembling brake master cylinder with brake servo, make
sure plunger rod is properly positioned in brake master
cylinder. |
| Seals must be located in supply hose for clutch master
cylinder. |
| – |
Bleed brake system
→ Chapter. |
| → Chapter „Assembly overview - brake servo/brake master
cylinder, LHD vehicles“ |
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Note
If there are problems with the brake servo, first check the
brake servo vacuum system
→ Chapter.
...
Note
If there are problems with the brake servo, first check the
brake servo vacuum system
→ Chapter.
Special tools a ...
Other materials:
Charging battery in support mode with battery charger -VAS 5903-
General notes:
The support mode provides the onboard supply with power when
the battery is removed or disconnected.
For further information, refer to the
→ operating manual VAS 5903.
The ...
Pressure and boiling point
The boiling points given in the table below are always based
on an atmospheric pressure of 1 bar. If the pressure on a liquid
is changed, its boiling point changes also.
It is well known that, for example, the lower the pressure,
the low ...
Removing and installing brake caliper
Special tools and workshop equipment required
Vehicle diagnosis, testing and information system -VAS 5051-
Tool set for brake bleeding -VAS 6564-
Insert tool with ratchet -VAS 6784-
Bit attachment (7 mm) -T10503-
...
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