Expansion Valve, Removing And Installing: Removing

Vehicles with TDI engine

-- Remove the connecting pipe from the charge air cooler. Refer to OVERVIEW - CHARGE AIR SYSTEM .

All Vehicles

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-- Remove the nuts -1- and -3-.

-- Fold forward the heat shield -2- as far as possible in the -direction of the arrow-.

Vehicles with Refrigerant R134a

-- Discharge the refrigerant circuit. Refer to Working with A/C Service Station .

Vehicles with Refrigerant R1234yf

-- Discharge the refrigerant circuit. Refer to Working with A/C Service Station (1 Of 2) / Working with A/C Service Station (2 Of 2) .

Continuation for All Vehicles

CAUTION:

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 :VAS6122 .

-- Remove the nuts -3- and -4- from the refrigerant line with the inner heat exchanger -1-.

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-- Remove the bolt -2-.

-- Disconnect the refrigerant line with the inner heat exchanger -1- from the expansion valve.

-- Remove the bolts -1- and -3-.

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-- Remove the expansion valve -4- from the heat shield insulation -2-.