Removing and installing brake master cylinder, 4-cylinder petrol engine — VW

🧭 Before you start

Fits: platform codes A32, A33

• Opens: brake fluid, clutch fluid

Don't miss

• Release connector (1) and pull it off brake fluid level warning contact F34.
• 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.
• Brake fluid must not be filled above MAX marking (1) to prevent brake fluid from running out.

📋 Procedure

1. Remove engine cover 10Engine cover; Removing and installing engine cover.
2. Remove air filter housing 24Air filter; Removing and installing air filter housing.
3. Remove air intake hose 24Air filter; Assembly overview - air filter housing.
4. Seal openings with suitable bungs from engine bung setVAS 6122.
5. Remove battery Electrical system27Battery; Removing and installing battery.

6. Place sufficient lint-free cloths in area of engine and gearbox.
7. Draw off as much brake fluid as possible from brake fluid reservoir using brake filling and bleeding equipmentVAS 5234.
8. Release connector (1) and pull it off brake fluid level warning contact F34.
9. Unscrew flare nut of brake line (2).
10. Seal brake line with sealing plug1H0 698 311 A.
11. Seal open connections with suitable bungs from engine bung setVAS 6122.
12. Remove brake fluid reservoir .
13. Release connector (1) and pull it off brake light switchF(2).
14. Unclip wiring harness (2) from brake master cylinder (1).
15. Unscrew flare nut of brake line (2) from master brake cylinder (1).
16. Seal brake line with sealing plug1H0 698 311 A.
17. Seal open connections with suitable bungs from engine bung setVAS 6122.
18. Unscrew and remove bolted connection (arrows) of brake master cylinder (1).
19. Carefully take brake master cylinder out of brake servo.
20. When assembling brake master cylinder with brake servo, make sure push rod is properly positioned in brake master cylinder.
21. When joining brake master cylinder to brake servo, make sure seal is properly seated.
22. Coat sealing plugs with brake fluid before pressing brake fluid reservoir into brake master cylinder.
23. Using assembly toolV.A.G 1410/8, carefully fit brake lines.
24. Bleed hydraulic system .
25. Bleed clutch 30Clutch mechanism; Bleeding clutch mechanism.
26. Install and connect battery Electrical system27Battery; Removing and installing battery. [Note: Brake fluid must not be filled above MAX marking (1) to prevent brake fluid from running out.]

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