Removing and installing front speed sensor wires — VW

🧭 Before you start

Fits: platform codes 9C1, 1C1, 1Y7

• Special tools named: VAS 1978

📋 Procedure

1. Note or request radio code in vehicles with coded radio unit.
2. Disconnect battery.
3. Pull intake hose (1) and connector (2) off air mass meter.
4. Unscrew bolts (3), (4) and (5).
5. Remove air filter complete.

6. Release control unit connector (arrow 1) and pull off (arrow 2).
7. Release cover cap from multi-pin connector with a screwdriver and remove.
8. Release secondary locking device (violet) in direction of (arrow) with a small screwdriver.
9. Push out relevant contacts with a release tool from wiring harness repair set VAS 1978.
10. Disconnect connector from speed sensor wire and speed sensor.
11. For vehicles with brake wear indicator separate the connector (1).
12. Unclip line from bracket (2).
13. Remove defective speed sensor wire.
14. Guide in new speed sensor wire.
15. Connect speed sensor to speed sensor wire.
16. Clip in speed sensor wire (arrows).
17. Insert brake wear indicator connector into bracket on suspension strut.
18. Guide contact into connector housing.
19. Push individual wiring seal in onto stop with an insertion tool from VAS 1978.
20. Secure contacts with secondary lock and fit cover cap for multi-pin connector.

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