Removing and installing fuse and relay carrier in plenum chamber electronics box (driver's side) — AUDI

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

Don't miss

• Exact contact assignment of relay and fuse holder in plenum chamber electronics box (driver's side) can be found in appropriate current flow diagram .

📋 Procedure

1. Remove wiper arms (1) and (3).
2. With ignition switched off, disconnect earth cable at battery .
3. Pull off rubber seal (5) for plenum chamber cover.
4. Remove plenum chamber cover (4).
5. ⚠ Risk of damage to plenum chamber cover.To prevent the plenum chamber cover (2) cracking when it is removed, apply a small quantity of soap solution to the transition between the windscreen and plenum chamber cover. Then, starting at the edge of windscreen, pull the plenum chamber cover out of retaining strip vertically upwards. — Carefully pull plenum chamber cover (2) off retainer at windscreen.

6. Remove bolts (arrows) and detach cover of plenum chamber electronics box.
7. Release retaining clips (arrows) and pull relay and fuse carrier (1) and relay carriers (2) and (3) upwards in electronics box.
8. Remove fuses, relays or control units.
9. Remove clip (1) from fuse holder.
10. Release clips (arrows) and remove plug-in socket (3) from mounting (2).
11. Unplug connectors from socket. [Note: Exact contact assignment of relay and fuse holder in plenum chamber electronics box (driver's side) can be found in appropriate current flow diagram .]
12. Connect battery. Steps required .
13. Adjust wiper arms .

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