Removing and installing service pipe - vehicles with 10-cyl. engine — AUDI

🧭 Before you start

Fits: platform code 42

• Opens: refrigerant (A/C)
• Also covered elsewhere: Electronic parts catalogue

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• The refrigerant circuit must be drained before removing the service pipe. — Screw out the bolts (1 and 2) and detach the refrigerant lines from the air conditioner compressor .
• (Item A) can be ignored.

📋 Procedure

1. ⚠ The refrigerant circuit must be drained before removing the service pipe. — Screw out the bolts (1 and 2) and detach the refrigerant lines from the air conditioner compressor .
2. ⚠ Danger of damaging refrigerant lines and hoses.Take care not to strain, kink or bend refrigerant lines and hoses. — Seal open lines and the connections at the air conditioner compressor with suitable caps (to prevent the ingress of dirt and moisture).
3. Unplug the connector (B). [Note: (Item A) can be ignored.]
4. Screw out the bolts (1 and 2), lift out the service pipe and in doing so lay bare the wiring harness (arrows). [Note: On the Audi R8 Spyder, the left service flap (for the air conditioner) must be removed from the engine compartment trim of the convertible roof compartment to gain access to the service connections 53Removal of the service pipe on the Audi R8 Spyder involves taking out the engine compartment trim of the convertible roof compartment 53]
5. Replace the O-ring (4); for version, refer to Electronic parts catalogue.

6. Move the service pipe (2) to the installation position and secure the wire (6) with the cable ties (3).
7. Insert the service pipe in the appropriate connection.
8. Tighten the bolts (1 and 5).
9. Attach the refrigerant lines to the air conditioner compressor .
10. Evacuate and charge the refrigerant circuit Air conditioner with refrigerant R134a87Refrigerant circuit (air conditioner with refrigerant R134a, refrigerant circuit, working with air conditioner service station).
11. Interrogate the event recorder and erase any faults displayed.
12. Start up the air conditioner after charging the refrigerant circuit . [Note: Also heed the information on start-up of the air conditioner after charging Air conditioner with refrigerant R134a87General information on air conditioner (air conditioner with refrigerant R134a, general information on air conditioner). Before starting up air conditioner after fresh charging.]

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