how to fix the air conditioning not working after a recharge in Skoda Octavia?

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is parked on a level surface with the engine off.
• Disconnect the battery to avoid any electrical issues.

2. Check and Replace AC Compressor

• Remove the AC Compressor:

  • Remove any accessories obstructing the compressor.
  • Disconnect electrical connectors from the compressor.
  • Disconnect the refrigerant lines; cap them to prevent contamination.
  • Unbolt and remove the compressor from the mounting bracket.

• Inspect the Old Compressor:

  • Check for internal damage or excessive wear. If damaged, proceed to replace.

• Install New AC Compressor:

  • Position the new compressor in place and secure it with bolts to the mounting bracket.
  • Reconnect the refrigerant lines and ensure they are tightened to manufacturer specifications.
  • Reconnect the electrical connectors.

3. Recharge the AC System

• Vacuum the AC System:

  • Connect a vacuum pump to the service ports and evacuate the system for at least 30 minutes to remove moisture.

• Recharge with Refrigerant:

  • Using the manifold gauge set, add the correct amount of refrigerant according to the manufacturer specifications (typically R134a).
  • Monitor the low and high-side pressures during this process to ensure proper charging.

4. Test the System

• Reconnect the battery.
• Start the engine and turn on the AC to the maximum setting.
• Monitor the system for proper operation and check for leaks using a leak detector.