my Skoda Octavia NFL (2020-Present) has water leaking inside, what could be the cause?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to prevent electrical shorts during repairs.
• Ensure the vehicle is parked on a level surface and the engine is off.

2. Inspect and Replace Door Seals

• Sub-steps:
  1. Remove the door panel using a trim removal tool and a socket set.
  2. Inspect the rubber door seals for cracks or tears.
  3. If damaged, remove the old seal and clean the area.
  4. Apply adhesive (if required) and install the new door seal.
  5. Reassemble the door panel securely.

3. Clear Sunroof Drainage Channels

• Sub-steps:
  1. Open the sunroof fully.
  2. Locate the drainage holes at the corners of the sunroof.
  3. Use a flexible wire or compressed air to clear any clogs.
  4. Test the drainage by pouring water into the sunroof channel and ensuring it drains properly.

4. Inspect Windshield Seal

• Sub-steps:
  1. Check for any visible cracks or gaps in the windshield.
  2. If damaged, carefully peel back the sealant and remove the windshield if necessary.
  3. Clean the bonding area and apply new adhesive before reinstallation.

5. Check Heater Core for Leaks

• Sub-steps:
  1. Locate the heater core hoses in the engine bay.
  2. Inspect the hoses for cracks and leaks.
  3. If leaking, replace the heater core following manufacturer specifications.
  4. Refill the coolant system after replacing the heater core.