Removing and installing refrigerant pressure and temperature sender 2G826 — VW

🧭 Before you start

Fits: platform code BE1

• Renewed: refrigerant line as necessary, seals
• Also covered elsewhere: Electronic Parts Catalogue

📋 Procedure

1. Observe safety precautions Safety precautions when working on air conditioning systems.
2. Observe safety precautions when working in the vicinity of high-voltage components Safety precautions when working in the vicinity of high-voltage components.
3. Comply with notes Working on refrigerant circuit.
4. Observe the risk rating of the high-voltage system Electric drive00Risk category of the high-voltage system.
5. Now de-energise the high-voltage system Electric drive93De-energising the high-voltage system.

6. 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.]
7. Extract refrigerant with air conditioning service station. Comply with notes .
8. If necessary, remove engine cover panel 93Electric drive motor; Removing and installing engine cover panel.
9. Unscrew 3 nuts of upper valve unit bracket.
10. Pull valve unit off studs until refrigerant pressure and temperature sender 2G826 becomes accessible.
11. Separate connector (2).
12. Loosen and unscrew refrigerant pressure and temperature sender 2G826(1).
13. Seal open connection with clean plugs from engine bung setVAS 6122.
14. Check connection for soiling or damage, and clean it or renew refrigerant line as necessary.
15. Renew seals . For correct version refer to Electronic Parts Catalogue.
16. 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.]
17. As a final step, read event memory, and clear any entries displayed; in "“Guided Fault Finding”" mode.

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