New Changes to the North American Standard OOSC

Every year the Commercial Vehicle Safety Alliance (CVSA) updates the North American Standard Out-of-Service Criteria (OOSC). This year, several changes went into effect on April 1 that could result in a truck or driver being placed out of service.

Here are some major OOSC changes:

  • BRAKE SYSTEMS, g. Brake Drums and Rotors (Discs), (2) by adding language and a picture for cracks in structural supports of a brake rotor. With cracks through the vents, a collapse of the rotor is imminent. In such a case, the vehicle should be placed out of service.

  • STEERING MECHANISMS, h. Tie Rods and Drag Links, (3) to add an out-of-service condition for a non-manufactured hole. A vehicle with a worn hole in the drag link could allow the link to buckle and lead to loss of steering control; because of this, a non-manufactured hole in a drag link should be placed out of service.

  • DRIVER’S SEAT (MISSING), a. to provide an out-of-service condition for a missing driver’s seat. Drivers using a temporary seat rather than a permanent seat that is secured to the vehicle was added to the out-of-service criteria.

  • DRIVER MEDICAL/PHYSICAL REQUIREMENTS, a. Skill Performance Evaluation Certificate by modifying the language. A driver who possesses a valid Skill Performance Evaluation (SPE) but is not complying with the SPE requirements should be placed out of service.

  • DRIVELINE/DRIVESHAFT, b. Universal Joint, (3) by adding a bearing strap to the out-of-service condition. A broken bearing strap would have the same imminent hazard as a missing, broken, or loose retainer bolt. As a result, a bearing strap was added to the OOSC to help identify and clarify the component.

It’s also important to note that the CVSA determined that the “most appropriate” way to deal with expired CVSA decals is to remove the old decal before applying a new one. Covering up expired decals can be problematic because old colors show on the corners and new decals can easily be removed after layering.

If you’re interested in more information on this year’s changes to the North American Standard Out-of-Service Criteria, you can read the whole announcement here.