Volkswagen Tiguan heating issue due to plugged heater core requiring replacement and extensive labor costs on Volkswagen Tiguan

Some Volkswagen Tiguan owners report experiencing heating issues due to a clogged heater core, which can block the flow of hot coolant and lead to uneven heating in the cabin. Symptoms may include hot air on one side and cold air on the other, as well as a burning smell from the heater vents, indicating potential problems with the blower motor or heater core. In cases where the heater core is confirmed to be the issue, replacement is often necessary, which can involve significant labor costs due to its location in the vehicle's heating system. To prevent these issues, owners are advised to maintain the coolant level and regularly check for leaks. Additionally, troubleshooting other components like the thermostat, blower motor, or blend door actuator is important to accurately identify the source of heating problems.