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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> 87 Air Conditioning >> Front Heater And A/C Unit >> Air Intake Manifold From Heater And A/C Unit, Removing And Installing >> Installing

Air Intake Manifold From Heater And A/C Unit, Removing And Installing: Installing

Reinstall in reverse order of removal. Note the following:

-- Check the insulation -E- in the evaporator housing -D- of the heater and A/C unit for damage, contamination (odor) and the correct installation.

-- Check the connection points between the air intake manifold -C-, and the evaporator housing -D- for the heater and A/C unit (groove/spring connection) for damage, and coat the connection points lightly with silicone grease, for example. Refer to OVERVIEW - HEATER AND A/C UNIT .