Chevrolet Express 2500 intermittent AC blowing cool air on Chevrolet Express 2500

Some Chevrolet Express 2500 owners report experiencing intermittent AC issues, where the air stops blowing cool after a while. These problems may stem from a faulty blower motor, which can lead to a complete lack of airflow in the climate system. Additionally, a clogged cabin air filter can restrict airflow and result in inconsistent cooling performance, making regular replacements essential. Insufficient or excessive refrigerant levels are also common culprits, as low system pressure from a refrigerant leak can prevent the AC from delivering cold air. Furthermore, issues with the compressor can hinder the cooling process, as a malfunctioning compressor will only allow warm air to blow. Lastly, electrical component failures, such as a blown fuse or a defective climate control unit, can impact the AC fan blower motor's functionality. Owners are advised to conduct proper diagnosis and maintenance of these components to ensure reliable cooling performance.