Removing and installing retainers for heater and air conditioning unit — AUDI

🧭 Before you start

Fits: Audi A3 (8V, 2012–2020); platform code 85

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• The refrigerant pipe with internal heat exchanger must be removed if the nut above the ABS unit is not accessible as described .

📋 Procedure

1. Remove heater and air conditioning unit .
2. Unplug electrical connector (1).
3. Fold heat insulation (2) behind ABS unit to the side.
4. Unscrew nuts (3 and 5).
5. Detach retainers (4) in passenger compartment. [Note: The refrigerant pipe with internal heat exchanger must be removed if the nut above the ABS unit is not accessible as described .]

6. Insert retainers (1 and 3) in mounting on heater and air conditioning unit (2) and place air conditioning unit in installation position.
7. Install heater and air conditioning unit .
8. Tighten nuts at retainers.
9. Install remaining components.
10. Interrogate event memory and erase any entries displayed ("“Guided Fault Finding”").
11. As a final step, check operation of heater/air conditioner.

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