Removing air conditioning unit (front): Audi Q7

🧭 Before you start

Fits: Audi Q7 (4L, 2005–2015)

Don't miss

• Vehicles with and without a rear air conditioning unit have different designs of footwell vent (A) and (B). This illustration shows the version for vehicles with a rear air conditioning unit .
• Use a waterproof pen for example to mark the installation position of the washer of the hexagon nuts (C) at the plenum chamber back wall.
• A rubber layer (D) is bonded to the washer of the hexagon nuts (C) for sealing purposes.
• Check the positioning of the caps (A) and (B) at the connections to the evaporator. These must be firmly attached to avoid damaging the connections on removing the air conditioning unit.

📋 Procedure

1. Preparations for removing air conditioning unit (front) performed .
2. Remove the air ducts to the footwell vents (A) and (B). [Note: Vehicles with and without a rear air conditioning unit have different designs of footwell vent (A) and (B). This illustration shows the version for vehicles with a rear air conditioning unit .]
3. Detach the condensation drain hose from the air conditioning unit .
4. Use a waterproof pen for example to mark the installation position of the washer of the hexagon nuts (C) at the plenum chamber back wall.
5. Remove the hexagon nuts with washer (C). [Note: A rubber layer (D) is bonded to the washer of the hexagon nuts (C) for sealing purposes.]

6. Check the positioning of the caps (A) and (B) at the connections to the evaporator. These must be firmly attached to avoid damaging the connections on removing the air conditioning unit.
7. Unplug the connector (A).
8. Unfasten the bracket for the wiring harness (B) from the air conditioning unit (D).
9. Release the remaining wiring harness fasteners at the air conditioning unit (D) (e.g. cable tie (C)). [Note: As of Model Year 2009 and depending on the applicable emissions standard, certain vehicles with 6-cyl. TDI engine and no "“auxiliary heater”" optional extra are fitted with a supplementary air heater element Z35 instead of a fuel-driven supplementary heater (gradual introduction with the corresponding engine) Audi Sales Range and Auxiliary/supplementary heater82. On vehicles with an auxiliary air heater element Z35 disconnect the corresponding wires .]
10. Take the air conditioning unit (D) out of the vehicle towards the passenger's side.

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