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Home >> Volkswagen >> 2023 >> Atlas Cross Sport SEL Premium R-Line >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Air Conditioning >> 87 Air Conditioning >> Rear Heater And A/C Unit >> Heater And A/C Unit, Removing And Installing >> Installing
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Heater And A/C Unit, Removing And Installing: Installing

Install in the reverse order of removal while noting the following:

-- Coat the new seals with refrigerant oil before installing the refrigerant lines.

CAUTION:

There is a risk of damaging the A/C compressor if the refrigerant circuit is empty.

- Never start the engine with the refrigerant circuit empty.

Vehicles with Refrigerant R134a

-- Fill the refrigerant circuit. Refer to the appropriate service information .

-- Perform the leak test on the refrigerant circuit line connections that were closed again. Refer to the appropriate service information .

Vehicles with Refrigerant R1234yf

-- Charge the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, CHARGING .

-- Perform the leak test on the closed line connections of the refrigerant circuit. Refer to LEAKS, FINDING .

Continuation for All Vehicles

-- Fill the coolant. Refer to COOLANT, DRAINING AND FILLING (2.0L) / COOLANT, DRAINING AND FILLING (3.6L) .