Bus AC hissing noise is a common but diverse high-frequency abnormal noise, directly related to refrigerant flow and system sealing. It can be a precursor to performance degradation or a warning sign of a serious malfunction. According to the report “Research on Acoustic Characteristics of Faults in Commercial Vehicle Refrigeration Systems ” (2025, *Journal of […]
Bus air conditioner noise repair requires a systematic diagnosis of the entire noise chain, from generation and transmission to amplification. Bus air conditioner noise repair not only addresses significant passenger comfort issues but also serves as a crucial indicator of potential system failures or design mismatches. According to the “Special Research Report on Bus NVH […]
English 
Spanish