Removing and installing dryer cartridge from receiver at condenser — AUDI

🧭 Before you start

Fits: Audi A8 D4 (4H, 2010–2017)

• Opens: refrigerant (A/C)

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• Seal the open connection at the receiver (B) of the condenser with the plastic screw plug (A) (to prevent the ingress of dirt and moisture).

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📋 Procedure

1. Switch off ignition.
2. Discharge refrigerant circuit Air conditioner with refrigerant R134a87Refrigerant circuit.
3. Remove cover at the lock carrier General body repairs, exterior63Front bumper; Removing and installing attachments.
4. Detach top section of air duct (right-side) (A) for engine air intake.
5. Remove bolts (B).

6. Detach bottom section of air duct (right-side) (C) for engine air intake.
7. Unscrew plastic bolt (A) (tightening torque 2 Nm). — 2 Nm (1.5 lb-ft)
8. Pull the filter element (C) with the dryer cartridge (F) upwards out of the receiver (G) of the condenser.
9. Seal the open connection at the receiver (B) of the condenser. [Note: Seal the open connection at the receiver (B) of the condenser with the plastic screw plug (A) (to prevent the ingress of dirt and moisture).] [Note: There are different versions of the condenser and the integrated dryer cartridge (F). Pay attention to correct assignment Electronic parts catalogue.]
10. Take the dryer cartridge (F) out of the bag and suspend it from the hook of the filter element (C).
11. Insert the dryer cartridge (F) together with the filter element (C) (and the riser (E)) in the receiver of the condenser.
12. Screw in the plastic screw plug (A) (tightening torque 2 Nm). — 2 Nm (1.5 lb-ft)
13. Evacuating and charging refrigerant circuit Air conditioner with refrigerant R134a87Refrigerant circuit.
14. Re-install remaining components (removed earlier).
15. Interrogate the event recorder of the front air conditioner operating and display unit, Climatronic control unit J255 and erase any faults displayed in "“Guided Fault Finding”" mode.
16. Start up air conditioner after charging refrigerant circuit . [Note: Also observe notes on starting up air conditioner after charging Air conditioner with refrigerant R134a87General information on air conditioner.]

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