Why is the car air conditioner not blowing strong air?
3 Answers
The following are the reasons why the car air conditioner is not blowing strong air: 1. Blower failure: It may be a problem with the blower, such as a short circuit or insufficient power. 2. Condenser blockage: If the blower is not the issue, then the condenser might be blocked. Additionally, when the air direction is set to blow on the front windshield, the air blowing into the cabin will decrease. 3. Weak blower: The fan impeller is directly mounted on the blower. If the blower is weak, it may need to be replaced unless the impeller is obstructed by the housing, which can also cause weak airflow. In such cases, adjusting the impeller can solve the problem. 4. Clogged air filter: If the external circulation airflow is weak while the internal circulation airflow is normal, it may be due to a clogged air filter. In this situation, replacing the air filter with a new one can resolve the issue.
Last time my car's AC airflow was weak, I mainly checked a few areas. First, see if the cabin air filter is clogged - this thing is located behind the glove compartment on the passenger side. If it comes out black when removed, replace it immediately; it's just a matter of tens of yuan. Also listen to the blower motor - if it makes grinding noises when running, the motor bearings are probably seized. Then there are the air vent flaps in the ducts - sometimes they get stuck in certain positions and can't deliver airflow. My car had this exact problem before, and it required dashboard removal to fix. Finally, don't forget to check the AC blower fuse in the fuse box - if it's blown, you'll get no airflow at all. Get it fixed quickly in hot weather, otherwise driving becomes unbearable. If you're handy, you can try removing the glove compartment yourself, but if unsure, it's better to visit a repair shop for peace of mind.
I guess you're experiencing weak airflow from the AC. The most common cause is a dirty cabin air filter - when dust clogs the mesh completely, air simply can't get through. The quick check is to open the glove compartment, remove the filter and inspect it. If it's blackened and hardened, replace it. Secondly, if the blower fan spins slowly, it might indicate a faulty resistor or poor electrical connection. Another frequent issue is blocked vents, especially when leaves and twigs accumulate under the windshield cowl. A less obvious culprit: when using outside air circulation, a clogged fresh air intake will also reduce airflow. If you hear loud blower noise but feel little airflow, the blower motor is likely failing. Always start troubleshooting with the simplest checks - inspect the filter and vent blockages first.
