No, you are wrong about it.
This is how it works.
All brakes they have a spring that is activating the brakes when parked.
When you supply air by pushing both dash buttons in there
is an air activated membrane that compresses the springs.
Compressing the springs releases the parking brakes.
The wheels are free rolling. Now, if a membrane cracks and start leaking
while driving, it will slowly remove the pressure on the spring.
The spring will push the brakes ON and the whole axle starts to drag on the tires.
Do you understand now how it works and how to check it for leaks?
air leak while driving
Discussion in 'Ask An Owner Operator' started by Ikamob01, May 11, 2022.
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Another Canadian driver Thanks this.
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It may help other drivers with similar issues. You may be surprised how often it happens.
Good luck.Dadetrucking305, blairandgretchen and ProfessionalNoticer Thank this. -
Maybe lay off the truckstop enchiladas,, see if that helps. Sorry, these posts are always so silly,,
LameMule, merv85 and Another Canadian driver Thank this. -
Rule #1 in trucking.
You should know better.
I strongly recommend the food truck at Ocean Mist Castroville CA.
Best food truck ever. No bull.201 Thanks this. -
Simulate driving conditions, truck not running but key on, chock the wheels and release the brakes. Then listen.
I've had a fan clutch throw me for a loop with air leak before too. Some require air to engage some require air to releaseAnother Canadian driver Thanks this. -
Getting back, maybe the "air leak" is the cab or air suspension exhaust.Another Canadian driver Thanks this. -
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Made by you, seasoned by you and eaten by you, I guess?Dadetrucking305 Thanks this. -
Trucking Jobs in 30 seconds
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