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Home >> Audi >> 2021 >> A4 Quattro Premium Plus, 2.0L Eng VIN B >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> General Servicing >> Air Conditioning >> 87 Air Conditioning >> Front Heater And A/C Unit >> Evaporator, Removing And Installing >> Heater And A/C Unit Evaporator Housing, Removing And Installing >> Installing

Heater And A/C Unit Evaporator Housing, Removing And Installing: Installing

GWWA87-11820Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal and note the following:

-- Check the evaporator housing -A- for contamination and at the same time pay special attention to the duct for the condensation water drains -C- and the evaporator -D-.

-- Check the doors in the air distribution housing -B- for damage and correct installation

-- Check the air distribution housing -B- for debris or damage.

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

-- Engage the evaporator housing on the air distribution housing and assemble with this.

-- Check the heater core connection and the coolant pipes before installing for damage or debris. Refer to HEATER CORE, REMOVING AND INSTALLING .

-- Re-install the remaining removed parts in reverse order.