Expansion Valve, Removing And Installing: Removing
- For all the following work, close the open lines and connections with clean plugs from the Engine Bung Set :VAS6122 .
Vehicles with High-Voltage System
-- Switch off (deactivate) the "parking air conditioner". Refer to Owner's Manual.
-- Switch the ignition on.
-- Initiate the basic setting of the A/C system using the Thermal Management Control Module -J1024- and open the electric valves using the routine Refrigerant Circuit, Extract, Evacuate and Fill in the Vehicle Diagnostic Tester.
-- Switch the ignition off.
Continuation for All Vehicles
-- Remove the plenum chamber bulkhead. Refer to PLENUM CHAMBER BULKHEAD, REMOVING AND INSTALLING .
-- Discharge the refrigerant circuit. Refer to Refrigerant Circuit or Working with A/C Service Station (1 Of 2) / Working with A/C Service Station (2 Of 2) .
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.
- Evacuate or drain refrigerant and open the refrigerant circuit immediately.
- If more than 10 minutes elapse after extracting or draining the refrigerant and the refrigerant circuit was not opened, extract or drain the refrigerant again. Pressure develops in the refrigerant circuit due to evaporation.
-- Remove the nut -A-.
-- Remove the refrigerant lines -B and C- from the front expansion valve -E-.
-- Remove the bolts -A-.
-- Disconnect the expansion valve -B- from the refrigerant lines to the evaporator.