@winstonjosejossy:

🦅🇺🇲merica🇺🇲🦅 :

its no air, nowhere

scare :

says it not a leak but it is in the end a leak

Roland tusiimire :

then why, the saying that these big vehicles need to be first warmed for some good time to accurate air for breaking

King james :

the air release is the air pressure regulator

Wes Elmore852 :

It's a air governor

bennyakino :

then why still have accidents due to no break reason.

Professor peter :

Soo the weight of the truck is held just by a spring rather than air

Engr. Josh :

What if the spring fails due to heat or break,So no brakes ?

CLAPA :

Ahmad sabilla :

How a spring can stop a truck

ISAAC 🇺🇸 :

It’s called a s cam

wonkooivan :

how does the air come back

VANCE 33 :

i thought it's the other way around😂 now i know

ji-drive :

Just like a train 🚃🚂

user112345 :

Basically it needs to work against constant brake in order to move.

dada :

it's Boston break

dondre_76 :

it's called AIR LOCK

Alex :

It’s a secret well kept but even trucks fart !

aleya_rosie :

thanks for westinghouse who invented air pressure brake system

ngosa :

if y z that when air z out the truck chrashes😳

MCJay :

thats why thieves cut pipes to stop trucks

xiao jie :

Old merc truck, no air means no brake.

🩷 Tonya Gang 🩷 :

that is super Awesome !!!!!

Scraper :

Spring brakes are held back with air. Pulling the valves empties the brake chambers. Applying the brakes.

Jeezy :

Now it all makes sense....