Tag Archives: Bus AC drain tube clogged

Bus AC drain clogged is often considered a minor issue, but it can actually trigger a series of cascading failures, including short circuits, mold growth in the interior, and even deterioration of the air conditioning system. A research report titled “Analysis and Prevention of Microbial Pollution Sources in Bus Cabins,” published in the 2025 issue […]

Bus AC not blowing air is a common but directly impactful malfunction, involving multiple subsystems including power, control, mechanics, and operation. An article titled “Failure Mode Analysis of Commercial Vehicle HVAC Air Supply System,” published in the 12th issue of the *China Transportation Equipment Technology Journal* in 2025, points out that “approximately 70% of ‘no […]

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