![]() ![]() Note the following when doing this:Īlways replace the O-ring for the high pressure refrigerant line - 3 and 5 -.Īlways replace the O-ring for the low pressure refrigerant line - 6 and 7. Install the expansion valve in reverse order. Carefully remove the expansion valve - 4 - from the heater and A/C unit. Remove the bolts - 8 - from the expansion valve - 4 - to (5 Nm). Carefully remove the refrigerant lines - 2 - from the expansion valve - 4. Remove the bolts - 1 - from the refrigerant line - 2 - (10 Nm). Loosen the heat shield for the expansion valve - 4 - from the bulkhead. Remove the lock washer - 2 - and the clip - 3. ![]() The coolant system does not need to be opened. Loosen, but do not remove, the heat shield and pull it off slightly. The heat shield is installed in front of the expansion valve, depending on engine. Extract the refrigerant with the A/C Service Station (VAS6007A) (or succeeding model) from the refrigerant circuit. Refer to See: Heating and Air Conditioning > Components > Vehicles with Start/Stop System General Information.ĭepending on engine and vehicle version, it may be necessary to loosen or to remove the following components (upper engine cover, compressed air pipe to throttle valve part and, depending on engine, the intake manifold, etc.). ![]() Note the safety precautions in vehicles with a start-stop system. Refrigerant must be extracted beforehand using the A/C Service Station (VAS6007A) or succeeding model.Įnvironmentally hazardous draining of refrigerant is an offense punishable by law. The expansion valve atomizes the streaming refrigerant and controls the flow rate so that the vapor is gaseous only at the evaporator outlet, depending on the heat transmission. Pressure in the refrigerant circuit is caused by evaporation. If the refrigerant was extracted more than 10 minutes in the past and the refrigerant circuit was not opened, extract the refrigerant again. Special tools, testers and auxiliary items requiredĪ/C Service Station (VAS6007A) (or succeeding model)ĭanger due to refrigerant coming out under pressure.ĭanger of frost bite to skin and other parts of the body.Įxtract the refrigerant and immediately open the refrigerant circuit after that. Vehicle Heating and Air Conditioning Expansion Valve Service and Repair Removal and Replacement Expansion Valve, Removing and Installing The attached pictures correlate with the directions.Ģ012 Volkswagen Beetle (5C1) L5-2.5L (CBTA) It is located on the firewall under the hood. ![]()
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