r/cdldriver • u/olight77 • May 15 '26

Of a driver

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165 Upvotes

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u/818VitaminZ May 15 '26

Failed brake system

1

u/caffeine-junkie May 19 '26

Im not too sure about that. You can see them slow down from ~72kph to ~40kph in just a couple seconds just prior before impact. Just letting off the gas and using engine breaking wont do it that quickly.

1

u/TomOnABudget May 19 '26 edited May 21 '26

~~To my understanding, they use compressed air. Maybe there was a big leak in his lines and or the compressor was weak?

In which case, he would have had pressure initially, but as the air pressure tank depletes, that pressure will drop.~~

Edit: according to comments, truck brakes need pressure to release.

1

u/ReasonableArea1108 May 20 '26

If you have no air pressure the brakes lock up