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

Install in reverse order of removal and Note The Following: 

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

-- Replace all O-ring seals (-J and K- in this illustration) there are different versions.

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

-- Replace all O-ring seals (-F and G- in this illustration) there are different versions.

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

-- Install the bolts -A-. Refer to OVERVIEW - A/C COMPRESSOR, CONDENSER AND UNDER FENDER  for the tightening specification.

-- 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.

-- Reinstall the removed components in the reverse order and reattach detached components.

-- Evacuate and fill the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, EVACUATING WITH A/C SERVICE STATION [R134a] /REFRIGERANT CIRCUIT, CHARGING WITH A/C SERVICE STATION [R134a] or REFRIGERANT CIRCUIT, EVACUATING [R1234yf] / REFRIGERANT CIRCUIT, CHARGING [R1234yf] .

-- Retrieve the Front A/C Display Control Head -E87- DTC memory and if necessary delete the displayed error using the Vehicle Diagnostic Tester in the "Guided Fault Finding"  function.

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