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

WARNING: This page is about a different car, the 2022 Volkswagen ID.4 and 2021 Volkswagen ID.4. However, it is still accessible from the selected car via links, so may be relevant.

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

If refrigerant circuit components were replaced:

-- Perform the adaptation of the refrigerant oil quantity in the refrigerant circuit. Refer to COMPONENTS, REPLACING .

Continuation

-- Pay attention to the correct seating of the condensation water drain. Refer to Condensation Water Drain, Removing and Installing .

-- Inspect the attachment points for the potential equalization cable and clean if necessary. Refer to the appropriate service information .

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Conditions

The contact surfaces must be clean and free of rust and grease.

-- Connect the potential equalization cable and tighten the nut -8-.

-- Connect the connectors.

-- Install the seals and loss protection devices without oil.

-- Install the heater and A/C unit air intake housing. Refer to Heater and A/C Unit Air Intake Housing, Removing and Installing .

-- Perform the "open the electric activated valves for the refrigerant circuit for extracting, evacuating and filling" with Vehicle Diagnostic Tester . Refer to Diagnostic Entries .

-- Refer to REFRIGERANT CIRCUIT, CHARGING .

CAUTION:

There is a risk of fatal injury due to high voltage.

Electrocution by direct contact or electric arc can cause severe bodily injury or fatal injury.

- Have a high-voltage technician or a high-voltage expert bring the high-voltage system back into service.

-- Refer to [For engine(s) EBRA] High-Voltage System, Re-Energizing .