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Why does the blower of Volkswagen Touareg keep running after the engine is turned off?

2 Answers

LeLucy

07/24/25 7:51am

After the engine is turned off, the blower continues to run because the engine temperature is still high and needs to dissipate heat. It will automatically shut off when the temperature drops, so there is no need to worry. The blower is known for its safe operation and long service life. Here are the detailed explanations: 1. Prolonged operation: If the fan runs for an excessively long time and continues to spin even after the engine temperature has dropped, it might be due to a loose circuit connection. In this case, you can try unplugging the fan's wiring harness to cut off the power separately. 2. Reason: The car's electric fan is controlled by a thermostat. When the water temperature rises to the upper limit, the thermostat turns on the power, and the fan starts working. When the water temperature drops to the lower limit, the thermostat turns off the power, and the fan stops working.

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MacKayden

08/11/25 3:33am

I've encountered a similar situation when driving my Volkswagen Touareg, where the air conditioning blower kept buzzing after turning off the engine. I think this is mainly due to the cooling design. As a premium SUV, the Touareg may have residual heat in the engine or electronic components after shutdown, so the fan continues to operate for a short while to cool down and prevent overheating damage. Additionally, if the air conditioning has just been turned off, the fan may run for a few minutes to dry the ducts, avoiding internal moisture buildup and mold that could affect cooling efficiency. This is actually a normal function of the vehicle, and it usually stops automatically after 3-5 minutes, nothing to be alarmed about. However, if it keeps running endlessly for more than ten minutes, it's worth checking, as it might be due to an insensitive sensor or voltage issues. In short, this is a protective mechanism.

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