Removing and installing brake system pressure accumulatorVX70, LHD vehicles — VW

🧭 Before you start

Fits: VW Golf VII (5G, 2012–2020)

• Opens: brake fluid

Don't miss

• 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.
• Ensure rubber dampers (5) are seated correctly in bracket (4) of brake system pressure accumulatorVX70.
• Ensure that retaining pins have been fully and evenly inserted into rubber dampers.
• Ensure secure seating by pulling.

📋 Procedure

1. Observe safety precautions when working in the area of high-voltage components .
2. Observe the risk classification of the high-voltage system Electric drive00Risk classification of the high-voltage system.
3. Carry out visual inspection of high-voltage components and cables.
4. Never use cutting or forming tools, or any others with sharp edges.
5. Never use heat sources such as welding, soldering, thermal bonding or hot air.

6. Disconnect battery Electrical system27Battery; Disconnecting and reconnecting battery.
7. Remove power and control electronics for electric driveJX1Electrical system93.
8. Remove bracket for power and control electronics for electric driveJX1Electrical system93.
9. Draw off as much brake fluid as possible from brake fluid reservoir using brake filling and bleeding equipmentVAS 5234.
10. Place sufficient lint-free cloths in the area of the brake system pressure accumulatorVX70(1).
11. Unscrew brake line (1) from brake system pressure accumulatorVX70(2).
12. Seal threaded hole immediately using sealing plugs1H0 698 311 A.
13. Fit a dust cap from the bleeder valve onto brake line.
14. Pull brake system pressure accumulatorVX70(2) together with bracket (4) and rubber dampers (5) upwards off bracket (6).
15. Slightly tilt brake system pressure accumulatorVX70, then release and pull off connector (3).
16. Ensure rubber dampers (5) are seated correctly in bracket (4) of brake system pressure accumulatorVX70.
17. Ensure that retaining pins have been fully and evenly inserted into rubber dampers.
18. Ensure secure seating by pulling.
19. Bleed brake system .
20. Subsequently bleeding the brake system .
21. Perform basic setting for electromechanical brake servo .

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