Expansion Valve, Removing And Installing, Front: Removing
-- Observe the safety precautions when working on the high-voltage system. Refer to HIGH VOLTAGE SYSTEM SAFETY PRECAUTIONS .
-- Pay attention to safety precautions when working near high-voltage components. Refer to SAFETY PRECAUTIONS NEAR HIGH VOLTAGE COMPONENTS .
-- Note the high-voltage system danger classification. Refer to HIGH VOLTAGE SYSTEM GENERAL WARNINGS .
-- See notes. Refer to WORKING ON REFRIGERANT CIRCUIT .
-- Remove the plenum chamber cover. Refer to PLENUM CHAMBER COVER .
Hybrid Vehicles
-- Note the high-voltage system danger classification. Refer to HIGH VOLTAGE SYSTEM GENERAL WARNINGS .
Vehicles with Refrigerant R134a
-- Drain the refrigerant circuit. Refer to REFRIGERANT CIRCUIT .
Vehicles with Refrigerant R1234yf
-- Drain the refrigerant circuit. Refer to appropriate service information. .
Continuation for All Vehicles
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.
-- For all the following work, close the open lines and connections with clean plugs from the :VAS6122 .
-- Remove the bolts -1-.
-- Pull the refrigerant lines from the expansion valve.
-- Remove the bolts -1 and 3-.
-- Remove the expansion valve -4- from the heat shield insulation -2-.