Volkswagen Golf Service & Repair Manual: Removing and installing brake system pressure accumulator -VX70-, LHD
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- |
|
|
|
| Brake filling and bleeding equipment -VAS 5234- |
|
|
|
| Sealing plug repair kit -1H0 698 311 A- |
|
|
|
| 2 - |
Brake servo and brake master cylinder |
| 3 - |
Brake system pressure accumulator -VX70- |
| – |
Observe safety precautions when working in the area of
high-voltage components
→ Chapter. |
| – |
Observe the risk classification of the high-voltage system
→ Electric drive; Rep. gr.00. |
|
|
|
| Danger to life due to high voltage |
| The high-voltage system is under high voltage. If high-voltage
components are damaged, there is a risk of severe or fatal injury due to
electric shock. |
| – |
Carry out visual inspection of high-voltage components and cables. |
| – |
Never use cutting or forming tools, or any others with sharp edges. |
| – |
Never use heat sources such as welding, soldering, thermal bonding
or hot air. |
| – |
Disconnect battery
→ Electrical system; Rep. gr.27. |
| – |
Remove power and control electronics for electric drive
-JX1-
→ Electrical system; Rep. gr.93. |
| – |
Remove bracket for power and control electronics for
electric drive -JX1-
→ Electrical system; Rep. gr.93. |
| – |
Draw off as much brake fluid as possible from brake fluid
reservoir using brake filling and bleeding equipment -VAS 5234-. |
| – |
Place sufficient lint-free cloths in the area of the brake
system pressure accumulator -VX70--1-. |
|
|
|
| – |
Unscrew brake line -1- from
brake system pressure accumulator -VX70--2-. |
| – |
Seal threaded hole immediately using sealing plugs -1H0 698
311 A-. |
| – |
Fit a dust cap from the bleeder valve onto brake line. |
| – |
Pull brake system pressure accumulator -VX70--2-
together with bracket -4- and
rubber dampers -5- upwards off
bracket -6-. |
| – |
Slightly tilt brake system pressure accumulator -VX70-, then
release and pull off connector -3-. |
| Install in reverse order. Note the following points: |
|
|
|
| – |
Ensure rubber dampers -5- are
seated correctly in bracket -4- of
brake system pressure accumulator -VX70-. |
| – |
Ensure that retaining pins have been fully and evenly
inserted into rubber dampers. |
| – |
Ensure secure seating by pulling. |
| Ensure that rubber dampers of retainer are not pressed out
of bracket when installing. After installation, check that the
brake system pressure accumulator -VX70- is securely seated,
otherwise malfunction can occur. |
| – |
Bleed brake system
→ Chapter. |
| – |
Subsequently bleeding the brake system
→ Chapter. |
| – |
Perform basic setting for electromechanical brake servo
→ Vehicle
diagnostic tester. |
| → Chapter „Assembly overview - brake servo/brake master
cylinder, LHD vehicles“ |
| → Chapter „Assembly overview – Brake system pressure accumulator
-VX70-“ |
| → Electrical system; Rep. gr.93 |
| → Electrical system; Rep. gr.27. |
|
|
|
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
...
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
...
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Removing and installing brake master cylinder, RHD vehicles
Removing and installing brake system pressure accumulator -VX70-, RHD
vehicles