Refrigerant Lines In Plenum Chamber, 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.

-- Always clean the expansion valve, pass-through, and refrigerant lines on the connection area and check them for damage.

-- Check the support ring -G- for proper installation position and check the grommet in the plenum chamber rear panel for damage and proper installation.

-- Insert the refrigerant lines -C and D- to the heat exchanger after installing the inner heat exchanger -F- and service connections -B and H- in the bracket.

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the nut -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 .

-- Switch the ignition on.

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