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Why is the air horn not working?

1 Answers
AlejandroLee
08/29/25 3:29am

Air horn failure is caused by loose plug connections or blown fuse links. Below is relevant information about air horns: 1. Concept: The air horn is a type of automotive horn, categorized into electric air horns and mechanical air horns. Air horns utilize compressed air flow to vibrate metal diaphragms, typically featuring a long horn (cylindrical) shape with loud, high-pitched sound that travels long distances. 2. Maintenance: Clean surface mud during servicing; replace diaphragms if rust or damage is found upon disassembly. When washing vehicles daily, avoid directing water into the horn casing to prevent affecting its sound. The QL11 air horn requires 294~980kPa air pressure for normal sound operation.

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