What is the “TSSSS” sound a bus or a truck makes? 983 viewsJanuary 3, 2024 Question92.14K August 22, 2020 0 Comments edit: Solved. Thanks guys In: Engineering 19 Answers ActiveNewestOldest Anonymous Posted August 22, 2020 0 Comments It’s our air brakes. They use air to apply instead of brake fluid – which is what cars use. so what you are hearing is them releasing their brake pedal which is venting the air. You are viewing 1 out of 19 answers, click here to view all answers. Register or Login
Latest Answers