Expansion Valve, Removing And Installing: Removing
Depending on the engine and vehicle version, it may be necessary to loosen or remove the following components: upper engine cover, intake hose, air filter housing, pressure pipe to the throttle valve piece and depending on the engine, the intake manifold, etc.
Depending on the engine, the heat shield may be installed in front of the expansion valve.
Loosen, but do not remove, the heat shield and pull it off slightly. The coolant system does not need to be opened.
-- Remove the nut -1-.
-- Remove the lock washer -2-.
-- Remove the clamp -3-.
-- Loosen the heat shield for the expansion valve -4- from the bulkhead.
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 the appropriate service information .
Danger or 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 elapse after extracting the refrigerant and the refrigerant circuit was not opened, extract the refrigerant again. Evaporation can cause pressure to develop in the refrigerant circuit.
Refrigerant Lines are Separately Bolted
-- Remove the bolts -1-.
-- Remove the refrigerant lines -2- and move them to the side.
-- Remove the bolts -3-.
-- Remove the expansion valve -4- from the evaporator.
Refrigerant Lines are Bolted Centrally
-- Remove the bolt -1-.
-- Remove the refrigerant lines -2-.
-- Remove the bolts -1 and 3-.
-- Remove the expansion valve -4- from the heat shield insulation -2-.
Continuation for All Vehicles
-- Seal the open lines and connections with clean plugs from the : VAS6122 .