eli5 Why do trucks and busses do the “tsshhh” thing when they stop? 894 viewsJanuary 3, 2024 Question90.93K July 24, 2021 0 Comments eli5 Why do trucks and busses do the “tsshhh” thing when they stop? In: Engineering 19 Answers ActiveNewestOldest Anonymous Posted July 25, 2021 0 Comments Big trucks have air compressors. When air tank full – go psh. When brakes are applied and released it go psh. When you set the parking brake it go psh. Trailer brake psh is most satisfying 🙂 You are viewing 1 out of 19 answers, click here to view all answers. Register or Login
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