how to resolve strange noises from my Skoda Octavia's HVAC system

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety during repairs.

2. Remove Cabin Air Filter

• Locate the cabin air filter housing, typically under the glove box.
• Remove the cover by unclipping or unscrewing it.
• Take out the existing cabin air filter and inspect it for dirt and debris.
• Replace with a new cabin air filter if needed.

3. Inspect and Clean Ducts

• Access the HVAC ductwork by removing any necessary panels.
• Use a vacuum with a brush attachment to clean out any debris inside the ducts.
• Check for any loose connections or damaged ducting.

4. Inspect Blower Motor

• Remove the blower motor assembly from its housing.
• Check for foreign objects, such as leaves or twigs, that may be obstructing the motor.
• Test the blower motor with a multimeter to ensure it is functioning correctly.
• Clean the blower motor and replace it if any damage is found.

5. Reassemble Components

• Reinstall the blower motor and secure it in place.
• Replace the cabin air filter housing cover.
• Reconnect the negative battery terminal.