Removing and installing refrigerant pipe (B) (from connection at condenser to screw connection in refrigerant pipe) — AUDI

🧭 Before you start

Fits: Audi A6 C6 (4F, 2004–2011)

• Opens: refrigerant (A/C)
• Special tools named: VAS 5051

Don't miss

• Following attachment, check the routing of the refrigerant pipes. They must be inserted in the holders provided and not make contact with other components.
• Also heed the notes on start-up of the air conditioner after charging Air conditioner with refrigerant R134a.

📋 Procedure

1. Drain the refrigerant circuit Air conditioner with refrigerant R134a.
2. Remove front bumper cover General body repairs, exterior63.
3. Remove the left headlight Electrical system94.
4. Remove the power steering hydraulic fluid reservoir Brake system48.
5. Remove the ABS hydraulic unit Brake system45.

6. Open screw connection in refrigerant pipe (between (A) and (B)) (removing and installing restrictor).
7. Detach refrigerant pipe (B) from connection at condenser .
8. Remove refrigerant pipe (B).
9. Moisten the O-rings slightly with refrigerant oil before fitting .
10. Following attachment, check the routing of the refrigerant pipes. They must be inserted in the holders provided and not make contact with other components.
11. Top up the fluids drained off and bleed the corresponding vehicle systems.
12. Evacuate the refrigerant circuit after assembly and re-fill Air conditioner with refrigerant R134a.
13. Interrogate the fault memory of the operating and display unit, Climatronic control unit J255 and erase any faults displayed "Guided fault-finding" function of vehicle diagnostic, testing and information system VAS 5051.
14. Start up the air conditioner after charging the refrigerant circuit . [Note: Also heed the notes on start-up of the air conditioner after charging Air conditioner with refrigerant R134a.]

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