Removing and installing restrictor — AUDI

🧭 Before you start

Fits: platform code 42

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

Don't miss

• Seal open lines and connections at the refrigerant line with suitable caps (to prevent the ingress of dirt and moisture).
• Only fit restrictors of the same type. Restrictors of different colour have different bore diameters Electronic parts catalogue.

📋 Procedure

1. Drain the refrigerant circuit Air conditioner with refrigerant R134a87Refrigerant circuit (air conditioner with refrigerant R134a, refrigerant circuit, working with air conditioner service station).
2. Remove the luggage compartment pan 70.
3. Detach the refrigerant line at the screw connection (A). [Note: Seal open lines and connections at the refrigerant line with suitable caps (to prevent the ingress of dirt and moisture).]
4. Use pointed-nose pliers to pull the restrictor (C) out of the refrigerant line. [Note: Only fit restrictors of the same type. Restrictors of different colour have different bore diameters Electronic parts catalogue.]
5. Check correct positioning of the O-ring (D) (7.5 mm; 1.5 mm) in the groove.

6. Before fitting, moisten the O-ring (of the restrictor and at the screw connection) with a small quantity of refrigeration oil.
7. Install the restrictor (C) in the correct position.
8. Check proper positioning of the restrictor.
9. Replace the O-ring (B); for version, refer to Electronic parts catalogue.
10. Take care not to strain the refrigerant lines on installation.
11. Tighten the screw connection (A).
12. Install the luggage compartment pan 70.
13. 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).
14. Interrogate the event recorder and erase any faults displayed.
15. 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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