High Voltage Battery Heater Core Refrigerant Cut-Off Valve -N542-, Removing And Installing: Removing
-- Turn off the ignition.
-- Discharge the refrigerant circuit. Refer to REFRIGERANT CIRCUIT, DISCHARGING WITH A/C SERVICE STATION (R134a) / REFRIGERANT CIRCUIT, EVACUATING WITH A/C SERVICE STATION (R134a) / REFRIGERANT CIRCUIT, CHARGING WITH A/C SERVICE STATION (R134a) (Refrigerant R134a Servicing, Refrigerant Circuit, Working with A/C Service Station) or REFRIGERANT CIRCUIT, DISCHARGING (R1234yf) / REFRIGERANT CIRCUIT, EVACUATING (R1234yf) / REFRIGERANT CIRCUIT, CHARGING (R1234yf) .
Danger Due To Refrigerant Coming Out Under Pressure.
Danger of frost bite to skin and other parts of the body.
- Extract the refrigerant and immediately open the refrigerant circuit after that.
- If the refrigerant was extracted more than 10 minutes in the past and the refrigerant circuit was not opened, extract the refrigerant again. Pressure in the refrigerant circuit is caused by evaporation.
-- Disconnect the connector -A- from the High Voltage Battery Heater Core Refrigerant Cut-Off Valve -N542- -B-.
Danger Due To Refrigerant Coming Out Under Pressure.
Danger of frost bite to skin and other parts of the body.
- Evacuate the refrigerant and immediately open the refrigerant circuit afterward.
- If more than 10 minutes have elapsed since evacuating the refrigerant and the refrigerant circuit was not opened, evacuate the refrigerant again. Pressure in the refrigerant circuit is caused by evaporation.
-- Loosen the union nuts -C- at the same time counterhold on the High-Voltage Battery Heater Core Refrigerant Shut-Off Valve -N542- -B-.
-- Remove the refrigerant line -D- from the high-voltage battery heat exchanger. HIGH VOLTAGE BATTERY HEAT EXCHANGER, REMOVING AND INSTALLING
-- Remove the High-Voltage Battery Heater Core Refrigerant Shut-Off Valve -N542- -D-.

