Refrigerant Shut-Off Valve -V424-, REMOVING AND INSTALLING: Removing
- For all the following work, immediately close the open lines and connections with clean plugs from the Engine Bung Set :VAS6122 .
Working on a high-voltage system when activated or with the ignition turned on
-- 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.
-- 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) .
-- Remove the tower brace. Refer to the appropriate service information .
-- Disconnect the connector -C-.
-- Mark the position of the Refrigerant Shut-Off Valve -V424- -E- to the refrigerant lines -A and D-.
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.
-- Loosen the union nuts -E- while counterholding on the Refrigerant Shut-Off Valve -V424- -B- at the same time.
-- Remove the Refrigerant Shut-Off Valve -V424- -2-.