Air leak on a commercial truck

What this may mean

• Gladhands / lines
• Brake chamber leaks
• Dryer or compressor issues

Should you keep driving?

Do not drive if you cannot maintain legal air pressure or brakes feel compromised.

Information to gather

• Where the hiss is
• Can pressure build?
• Trailer attached?

Provider type to find

Mobile air / brakes road call

FAQ

Is an air leak always a tow?

Not always — many line and gladhand issues are roadside-fixable. Loss of braking ability means stop and call for help.