Refrigerant Lines With Inner Heat EXCHANGER, Removing And Installing: Removing
On some vehicles, the connecting pipe should be removed from the charge air cooler. Refer to OVERVIEW - CHARGE AIR SYSTEM (2.0L) or OVERVIEW - CHARGE AIR SYSTEM (1.5L) .
-- Remove the sheet metal nuts -1- and -3-.
-- Fold the heat shield -2- as far forward as possible -arrow-.
Vehicles with Refrigerant R134a
-- Discharge the refrigerant circuit. Refer to the appropriate Service Information .
Vehicles with Refrigerant R1234yf
-- Discharge the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, DISCHARGING .
Continuation for all vehicles
Danger of frostbite due to refrigerant coming out under pressure.
Frostbite on the skin and other parts of the body is possible.
- Wear safety gloves.
- Wear protective eyewear.
- Extract refrigerant and open the refrigerant circuit immediately.
- If more than 10 minutes have elapsed since evacuating the refrigerant and the refrigerant circuit was not opened, evacuate the refrigerant again. Evaporation can cause pressure to develop in the refrigerant circuit.
-- For all following procedures immediately seal all the open lines and connections with clean plugs from the Engine Bung Set: VAS 6122 .
-- Remove the bolt -7-.
-- Disconnect the refrigerant line -6- with the inner heat exchanger from the expansion valve.
-- Remove the nuts -1- and -3- and remove the refrigerant lines -2- and -4-.
-- Remove the refrigerant line -5- with the inner heat exchanger.