my Skoda Octavia NFL (2020-Present) is overheating, what could be the issue?

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the engine is cool and disconnect the negative battery terminal for safety.

2. Replace Thermostat (if faulty)

• Tools Required: Socket set, torque wrench, coolant catch pan.
• Sub-steps:
  1. Drain the engine coolant into a catch pan by removing the drain plug on the radiator.
  2. Remove the engine cover (if applicable) to access the thermostat housing.
  3. Disconnect the coolant hoses from the thermostat housing.
  4. Unbolt the thermostat housing using the socket set and remove the old thermostat.
  5. Clean the mating surfaces on the engine and housing to ensure a good seal.
  6. Install the new thermostat and reattach the housing, tightening to the manufacturer’s specified torque.

3. Repair or Replace Water Pump (if faulty)

• Tools Required: Socket set, torque wrench, coolant catch pan.
• Sub-steps:
  1. Drain the coolant from the system as previously described.
  2. Remove any components obstructing access to the water pump (e.g., timing belt or serpentine belt).
  3. Unbolt the water pump from the engine block and carefully remove it.
  4. Clean the mounting surface on the engine and install the new water pump.
  5. Reinstall any belts or components that were removed.
  6. Refill the cooling system with the appropriate coolant mixture.

4. Inspect and Repair Radiator (if blocked or damaged)

• Tools Required: Hose for flushing, safety goggles, gloves.
• Sub-steps:
  1. Remove the radiator from the vehicle if necessary for thorough inspection.
  2. Flush the radiator with a garden hose to remove any debris or blockages (be cautious of pressurized water).
  3. Inspect for leaks; replace the radiator if any damage is found.
  4. Reinstall the radiator and reconnect all hoses.