Removing and installing plenum chamber partition panel: Audi A6/A7 C7

🧭 Before you start

Fits: Audi A6/A7 C7 (4G, 2011–2018); platform code 4X

• Opens: coolant
• Special tools named: 3094

Don't miss

• The illustration shows a vehicle with auxiliary heater.
• Different securing methods may have been used: cable tie clip, clip or bolt.
• Make sure that seal (2) for plenum chamber partition panel (1) is seated correctly in mounting (3) of plenum chamber.

📋 Procedure

1. Remove body brace Running gear, axles, steering40Suspension strut, upper links; Removing and installing body brace.
2. Release retainer (arrow A) and open cover (arrow B).
3. Unscrew nut (3) and move clear electrical wiring.
4. Take electrical connector (1) out of bracket.
5. Unscrew nuts (arrows) and detach terminal 30 wiring junction 2TV22 from plenum chamber partition panel. [Note: Ignore (item 2).]

6. Move clear electrical wiring harness at plenum chamber partition panel.
7. Cover area underneath cut-off valve with absorbent cloth or absorbent paper.
8. Clamp off coolant hoses (1 and 3) with hose clamps 3094.
9. Unfasten hose clips and disconnect coolant hose (2) from shut-off valve.
10. Press grommet (4) out of plenum chamber partition panel towards engine. [Note: The illustration shows a vehicle with auxiliary heater.]
11. If fitted, detach heat shield (1) upwards (arrow).
12. Release fasteners (arrows A) and detach leadthrough (1) upwards (arrow B).
13. Remove bolt (arrow). [Note: Different securing methods may have been used: cable tie clip, clip or bolt.]
14. Disconnect vacuum line (3) for brake servo.
15. Pull off grommet (1) for vacuum connection.
16. Unscrew nut (2) and lift off plenum chamber partition panel (4).
17. Make sure that seal (2) for plenum chamber partition panel (1) is seated correctly in mounting (3) of plenum chamber.
18. Check coolant level 19Cooling system/coolant; Draining and filling cooling system.

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