Volkswagen Golf Service & Repair Manual: Removing and installing brake master cylinder, RHD vehicles
| Special tools and workshop equipment
required |
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| Torque wrench -V.A.G 1331- |
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| Torque wrench -V.A.G 1410- |
| Tool inserts (11 mm) -V.A.G 1331/2- |
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|
| Brake filling and bleeding equipment -VAS 5234- |
|
|
|
| Sealing plug repair kit -1H0 698 311 A- |
| Hot air blower, e.g. hot air blower -VAS 1978/14A- |
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|
| The brake master cylinder is located on right-hand side of
the engine compartment. |
| 1 - |
Brake servo and brake master cylinder |
| 2 - |
Brake system pressure accumulator -VX70- |
| 3 - |
ABS control unit -J104- with ABS hydraulic unit -N55- |
| Make sure not to bend the brake lines in the area of the
brake master cylinder. |
| – |
Observe safety precautions when working on the high-voltage
system
→ Chapter. |
| – |
Observe the risk classification of the high-voltage system
→ Electric drive; Rep. gr.00. |
| – |
Disconnect battery
→ Electrical system; Rep. gr.27. |
| – |
Remove engine cover
→ Rep. gr.10. |
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|
| – |
Disconnect fuel lines -1- and
-2- and lay to side. Separate
plug-in connectors
→ Rep. gr.20. |
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|
| Vehicle with heat shield: |
| – |
Detach heat shield -2- at top
of brake fluid reservoir -3--arrows-. |
| Continuation for all models: |
| – |
Place sufficient lint-free cloths in area of engine,
subframe and gearbox. |
|
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|
| – |
Release and disconnect connector -2-
from brake fluid level warning contact -F34- at brake fluid
reservoir -1-. |
| – |
Draw off as much brake fluid as possible from brake fluid
reservoir using brake filling and bleeding equipment -VAS 5234-. |
|
|
|
| – |
Mark brake lines -A- and
-B- on brake master cylinder. |
| – |
Unscrew brake lines -A- and
-B- from brake master cylinder. |
| – |
Immediately seal brake lines and open connections with
sealing plugs from repair kit -1H0 698 311 A- or suitable plugs
from engine bung set -VAS 6122-. |
|
|
|
| – |
Remove brake master cylinder -1-
from brake servo. |
| Install in reverse order. Note the following points: |
| – |
When assembling brake master cylinder with brake servo, make
sure push rod is properly positioned in brake master cylinder. |
| – |
When joining brake master cylinder to brake servo, make sure
seal is properly seated. |
| – |
Bleed brake system
→ Chapter. |
| – |
Subsequently bleeding the brake system
→ Chapter. |
| – |
Perform basic setting for electromechanical brake servo
→ Vehicle
diagnostic tester. |
| → Chapter „Assembly overview – Brake system pressure accumulator
-VX70-, RHD vehicles“ |
| → Heating, air conditioning system; Rep. gr.87. |
|
|
|
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
...
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
...
Other materials:
EU general type approval number, sales type and sales or trade designation
The designations below are only applicable for VW vehicles
Since 1.1.1998, all passenger cars licensed within the European
Union must have a type approval corresponding to EU guidelines. Vehicles
licensed for road use with single-vehicle approval according to § 21
St ...
Test after driving for 10 minutes
First read and observe the introductory information
and safety warningsReconnect the tyre filler hose and check the tyre pressure
on the tyre pressure display ⑥.
1.3 bar (19 psi / 130 kPa) and lower:
Do not drive on! The tyre cannot be sealed adequately with
the breakdown set.
...
Assembly overview - FS III front brake
Note
After every brake pad change, depress brake pedal firmly several
times with vehicle stationary, so that brake pads are properly seated in
their normal operating position.
Use the brake filling and bleeding equipment -VAS 5234- to draw off
brake ...
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Removing and installing brake master cylinder, LHD vehicles
Removing and installing brake system pressure accumulator -VX70-, LHD
vehicles