Removing and installing refrigerant line between electrical air conditioner compressor V470 and heating condenser — VW

🧭 Before you start

Fits: platform code BE1

• Renewed: seals
• Also covered elsewhere: Electronic parts catalogue

Don't miss

• Moisten seals with refrigerant oil before installing.

📋 Procedure

1. Observe safety precautions Safety precautions when working on air conditioning systems.
2. Comply with notes Working on refrigerant circuit.
3. Observe safety precautions when working in the vicinity of high-voltage components .
4. Using , initiate basic setting, then perform function "Charge refrigerant circuit". [Note: Always perform the basic setting "“Charge refrigerant circuit”" using the , to make sure that all valves of the refrigerant circuit are opened. This is the only way to extract the complete refrigerant from the circuit.The must not be disconnected from the vehicle during the entire extraction, evacuation and charging process.To prevent the intrusion of moisture, all components of the refrigerant circuit which have been opened must be sealed with suitable plugs.]
5. Extract refrigerant with air conditioning service station. Comply with notes .

6. Remove valve unit of heat pump .
7. Remove bolts (5) and (6).
8. Separate connector (3).
9. Lay coolant expansion tank to one side.
10. Unclip refrigerant line (1) from retainers (2) and (4).
11. Remove refrigerant line (1).
12. Renew seals. For versions, refer to Electronic parts catalogue. [Note: Moisten seals with refrigerant oil before installing.]
13. Using , initiate basic setting, then perform function "Charge refrigerant circuit". [Note: Always perform the basic setting "“Charge refrigerant circuit”" using the , to make sure that all valves of the refrigerant circuit are opened. This is the only way to charge the complete circuit.The must not be disconnected from the vehicle during the entire extraction, evacuation and charging process.If the component has been renewed due to a mechanical defect (e.g. wear), purge the refrigerant circuit.]

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