What are the reasons for no air blowing out from the Passat's air conditioning?
2 Answers
The reasons for no air blowing out from the Passat's air conditioning may include blower motor failure, clogged air filter, and control system malfunction. Below is an introduction to the 2021 280TSI Elite Edition Passat: 1. Powertrain: Equipped with a 1.4L turbocharged 4-cylinder EA211-DJS engine, paired with a 7-speed dry dual-clutch transmission. 2. Body dimensions: Length, width, and height are 4933mm, 1836mm, and 1469mm respectively. The wheelbase is 2871mm. 3. Chassis: The drivetrain is front-wheel drive, with a front MacPherson independent suspension and a rear multi-link independent suspension.
Over the years of repairing cars, I've found that when there's no air blowing from the Passat's air conditioning, it's mainly due to a faulty blower motor. The carbon brushes inside the motor wear out with age and stop turning. Fuses also often blow, especially on hot days when the load is high—check the fuse box to see if the one for the AC fan has turned black. Poor contact in the control switch or a faulty resistor module can also cut off the airflow. A severely clogged cabin air filter blocking the air ducts is even more common; removing and cleaning the filter behind the glove box on the passenger side can solve the issue. The diagnostic steps are simple: Turn on the AC and listen for the blower—if there's no sound, check the fuse or motor; if there's weak airflow, check the filter. Before attempting any fixes, it's recommended to disconnect the battery to prevent short circuits, but it's best to have a professional inspect and repair it, as the Passat's system is a bit complex—safety first to avoid hidden risks. Replacing the filter annually can prevent clogging issues.
