Removing and installing water drain hoses: Audi A4 B6/B7

🧭 Before you start

Fits: Audi A4 B6/B7 (8E)

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• To remove the hoses, the A-pillar trim panels (top and bottom) must be removed 70.

📋 Procedure

1. The water drain hoses (front) are clipped in at the A-pillars and end between the door and the A-pillar.
2. To remove the hoses, the A-pillar trim panels (top and bottom) must be removed 70.
3. Remove sun visors, interior light (front) and roof grab handles (front); lower front section of moulded headliner.
4. Pull water drain hose off sunroof, unfasten grommet at A-pillar and pull hose out downwards.
5. To clean, access hose from sunroof opening.

6. Starting at bottom, pull water drain hose in and completely upwards along A-pillar.
7. Press grommet in at A-pillar and attach water drain hose at sunroof.
8. Clip water drain hose into retainers at A-pillar.
9. The water drain hoses (rear) are routed in the C-pillars and end on the side beneath the wheel housing liner.
10. C-pillar trim and D-pillar trim removed; lower headliner at rear 70.
11. Pull water drain hose off rear of sunroof.
12. Loosen front section of wheel housing liner (rear) and press it to the side until grommet at water drain hose is accessible.
13. Unfasten grommet beneath wheel housing liner and pull out downwards.
14. Install in reverse order.
15. To install, press grommet (1) of water drain hose onto connection (2) as far as stop.

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