Skoda Octavia NFL (2020-Present) AC blowing hot air how to fix

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle’s battery to ensure safety while working on electrical components.
• Allow the engine to cool down before beginning work.

2. Check and Recharge Refrigerant

• Tools Required: AC manifold gauge set, refrigerant.
• Connect the low-pressure gauge to the service port of the AC system.
• Check the pressure reading: if low, proceed to recharge the system.
• Add refrigerant according to manufacturer specifications, typically R134a for this model.

3. Inspect and Replace AC Compressor

• Tools Required: Socket set, torque wrench, serpentine belt tool.
• Locate the AC compressor and remove the serpentine belt by releasing the tensioner.
• Disconnect the electrical connector and refrigerant lines from the compressor.
• Remove the mounting bolts and take out the compressor.
• Install the new compressor, ensuring all bolts are torqued to specifications.
• Reconnect the refrigerant lines and electrical connector.

4. Check and Replace Cabin Air Filter

• Tools Required: None specifically, but may need a flathead screwdriver.
• Open the glove compartment and locate the cabin air filter access panel.
• Remove the panel and take out the old cabin air filter.
• Install the new cabin air filter, ensuring it is oriented correctly.

5. Testing and Reassembly

• Reconnect the battery.
• Start the vehicle and turn on the AC system to verify the compressor is engaging.
• Monitor for cold air and check for any unusual noises.
• Ensure all components are securely reassembled.