Removing and installing air conditioner compressor - vehicles with 8-cyl. TDI engine — AUDI

🧭 Before you start

Fits: Audi Q7 (4M, 2015–)

• Opens: refrigerant (A/C)

Don't miss

• Before fitting poly V-belt, turn air conditioner compressor 10 times via pulley in direction of rotation (to prevent damage to compressor on initial activation).

📋 Procedure

1. Switch off ignition.
2. Discharge refrigerant circuit Air conditioner with refrigerant R134a87Refrigerant circuit.
3. Remove noise insulation at front General body repairs, exterior66Noise insulation; Removing and installing noise insulation.
4. Detach the air conditioner compressor from the holder Detaching air conditioner compressor from holder/attaching - vehicles with 8-cyl. TDI engine.
5. Detach refrigerant lines from air conditioner compressor Detaching and attaching refrigerant lines on air conditioner compressor - vehicles with 8-cyl. TDI engine. [Note: When it is removed, the air conditioner compressor contains an indeterminate amount of refrigerant oil. For this reason it is important to observe the notes on renewing the compressor Air conditioner with refrigerant R134a87Renewing components of refrigerant circuit.]

6. Before fitting poly V-belt, turn air conditioner compressor 10 times via pulley in direction of rotation (to prevent damage to compressor on initial activation).
7. Attach refrigerant lines to air conditioner compressor Detaching and attaching refrigerant lines at air conditioner compressor. [Note: Lubricate O-rings lightly with refrigerant oil before fitting Refrigerant circuit seals.Cranking prevents damage to the air conditioner compressor, which could be caused by refrigerant oil in the compression chamber on initial start-up of the engine.]
8. Attach air conditioner compressor to bracket Detaching air conditioner compressor from holder/attaching - vehicles with 6-cyl. engine.
9. Re-install remaining components (removed earlier).
10. Evacuate and charge refrigerant circuit Air conditioner with refrigerant R134a87Refrigerant circuit.
11. Interrogate the event recorder of the front air conditioner operating and display unit E87 and erase any faults displayed in "“Guided Fault Finding”" mode.
12. Start up air conditioner after charging refrigerant circuit . [Note: Also observe notes on starting up air conditioner after charging Air conditioner with refrigerant R134a87General notes on air conditioning systems.]

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