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Why does the car air conditioner blower make noise but no air comes out?

2 Answers
SanStephanie
09/06/25 6:29am
When the car air conditioner blower makes noise but no air comes out, it is likely due to a damaged or stuck air door motor, which requires removal for inspection, repair, or replacement. Below is an introduction to car air conditioning: 1. Introduction: The car air conditioning system, abbreviated as car AC, is used to regulate and control the temperature, humidity, air cleanliness, and airflow inside the car cabin to optimal conditions. It provides a comfortable environment for passengers, reducing travel fatigue, and creates good working conditions for the driver, playing a crucial role in ensuring safe driving. 2. Structure: The car air conditioning system generally includes a refrigeration unit, heating unit, and ventilation unit. This combined system makes full use of the limited space inside the car, featuring a simple structure and easy operation, making it a popular modern car air conditioning system internationally.
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VonNova
09/18/25 6:13am
As a veteran driver with ten years of experience, I immediately check the cabin air filter when encountering similar issues, because excessive dust accumulation can block airflow, causing the blower to hum without producing any air. It's cost-effective and hassle-free to DIY by opening the filter cover under the glove compartment for cleaning and keeping spare parts on hand to prevent clogging. If the filter is fine, the issue might be fan blades jammed by small stones or leaves, or the blower motor spinning idly without driving the fan—check if the fan bearings rotate smoothly. If DIY isn't feasible, promptly visit a professional auto repair shop to avoid compromising driving comfort and safety. Regular AC system maintenance can prevent this problem.
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Has Xinte Auto Stopped Production?

Xinte Auto has not stopped production. Introduction to Xinte Auto: Xinte Auto, established in 2017, entered the Ministry of Industry and Information Technology catalog in July 2018, obtaining the qualification for passenger car production. In the second half of 2018, it launched its first model, the DEV1, positioned as a mini pure electric vehicle with an NEDC range of 305km. By mid-2020, Xinte Auto's second model, the GEV1, was officially released, also a mini electric vehicle with an NEDC range of 305km. Xinte's New DEV Series: On January 20, 2021, Xinte Auto officially reached a strategic cooperation agreement with China National Heavy Duty Truck Group (CNHTC) and held a seminar in Chongqing. The two parties will explore potential strategic cooperation in product development, supply chain management, production and manufacturing, and sales channels. The first model resulting from this cooperation will be the new DEV series, set to officially launch in the second quarter of this year, with a range of up to 400km. The focus of the cooperation will be on the development of B-end electric vehicles, targeting the ride-hailing market.
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How to Remove Heavy Odors Inside the Car?

Methods to remove heavy odors inside the car are as follows: 1. Place charcoal bags: Many car owners choose to place items such as activated charcoal or bamboo charcoal bags in the car. Bamboo charcoal has the effect of absorbing formaldehyde and is compact in size, making it easy to place. Car owners can position the charcoal bags anywhere in the car according to their needs, but it's important to remove the plastic packaging from new charcoal bags promptly, as it may affect their effectiveness. 2. Open windows frequently for ventilation: This is the most basic approach. The first reaction upon detecting an odor should be to ventilate. If the odor inside the car is particularly strong, before each drive, choose a sunny day to open all five doors of the car for 2-3 hours to air out and ventilate. Additionally, take the opportunity to clean the interior, organize items inside the car, achieving cleanliness and tidiness in one go.
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What is the problem when the blower of Citroen C4L does not rotate?

The reasons and solutions for the non-rotation of the blower in Citroen C4L are as follows: Blower rotor obstruction: After prolonged use of the blower, excessive dust accumulation increases the friction coefficient between the rotor and bearings, causing the rotor to be obstructed or even stuck, leading to overheating and damage of the coil. Solution: After powering off, open the rear cover of the blower, add a few drops of lubricating oil (such as sewing machine oil) into the bearing sleeves at both ends of the rotor. While adding oil, gently rotate the blades until they move freely, and the blower issue can be resolved. Coil damage: Another possible reason is the absence of 220V AC input or a damaged coil. Solution: In this case, disconnect the power, separate the two lead wires of the blower from the power supply connection points, and leave them suspended (ensure the two ends of the power wires do not touch each other to avoid short circuits). Turn on the power and carefully measure both ends of the power wire with a test pen. If one end lights up and the other does not, it indicates the power input is normal, and the issue may be a damaged blower coil. If both ends light up or neither lights up, there is a problem with the power input.
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What are the differences between Continental MC5 and MC6?

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What Causes a Manual Transmission to Suddenly Fail to Engage Gears?

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Will 11 Points on a Driver's License Affect License Renewal?

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