General Information
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- Workshop-specific instructions. Refer to Audi ServiceNet, HSO Environmental Protection.
- Ensure absolute cleanliness when working.
- Wear protective eyewear and safety gloves when working with refrigerant and nitrogen.
- Workshop ventilation systems must be switched on.
- Only use the A/C service station to discharge the refrigerant circuit, and then open the threaded connections and replace any faulty components.
- Use a cap to seal off any opened assemblies and hoses to prevent moisture and dirt from getting in.
- Only use tools and materials designated for refrigerant R134a.
- Seal opened refrigerant oil containers to guard against moisture.
NOTE:
After completing repair work, install closure caps (with seals) on all connections with valve and service connections.
Before operating the A/C system. Observe vehicle specific filling capacities. Refer to Refer to REFRIGERANT R134A CAPACITIES, REFRIGERANT OIL AND APPROVED REFRIGERANT OILS .
Do not add refrigerant, extract the refrigerant present and refill the system.