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Brake Safety Week - Aug 21-27

Brake Safety Week is an annual commercial motor vehicle brake-safety inspection, enforcement and education initiative conducted by law enforcement across North America.

Inspectors will conduct North American Standard Level I and V Inspections and capture and report brake-related data to CVSA. Brake-related violations comprise the largest percentage of all out-of-service vehicle violations cited during roadside inspections.

The focus area of this year’s Brake Safety Week is brake hose/tubing chafing violations. CVSA has provided 10 brake hosing/tubing tips available at

In addition to chafing violations, inspectors will look for missing, non-functioning, loose, contaminated or cracked parts on the brake system, and non-manufactured holes (such as rust holes and holes created by rubbing or friction) and broken springs in the spring brake housing section of the parking brake. They will listen for audible air leaks around brake components and lines and ensure the air system maintains air pressure between 90-100 psi. Inspectors will also check for S-cam flip-over and measure pushrod travel. They will check that slack adjusters are the same length and that the air chambers on each axle are the same size. They will also inspect required brake-system warning devices, such as ABS malfunction lamp(s) and low air-pressure warning devices. In addition, inspectors will ensure the breakaway system is operable on the trailer, and inspect the tractor protection system, including the bleed-back system on the trailer.


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