Refrigerant Lines With Inner Heat EXCHANGER, Removing And Installing: Installing

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Install in reverse order of removal and note the following:

Coat the O-ring seals lightly with refrigerant oil before installing. Refer to REFRIGERANT CIRCUIT SEALS .
Install the refrigerant lines stress-free.

-- Check the grommet -D- of the pass-through for damage and correct seating in the opening on the body (check the catches -E-).

-- Insert both refrigerant lines to the expansion valve -D and E- after installing the inner heat exchanger -C- in the bracket -B-.

Courtesy of AUDI OF AMERICA, LLC

-- Insert both refrigerant lines -B and C- after installing on the inner heat exchanger -E- in the bracket -D-.

Courtesy of AUDI OF AMERICA, LLC

-- Install the bolts -A-.

-- Check the routing of the refrigerant lines after attachment. They must be inserted in the provided brackets in a tension-free manner and must not come in contact with other components.

-- Evacuate and charge the refrigerant circuit. Refer to Refrigerant Circuit or Working with A/C Service Station .

-- Start the A/C system after charging the refrigerant circuit. Refer to A/C SYSTEM, STARTING AFTER CHARGING REFRIGERANT CIRCUIT .