Tire Blowout Response

A tire blowout in a commercial vehicle is a high-stress emergency that requires immediate, correct response. This video teaches you how to handle blowouts in each tire position — steer tires, drive tires, and trailer tires — because the correct response differs for each.

The video begins with blowout recognition. A steer tire blowout produces a loud bang or pop, immediate steering pull toward the blown tire, and vibration through the steering wheel and floor. A drive tire blowout typically produces a loud noise and vibration from the rear but less steering effect. A trailer tire blowout creates noise from behind and you may see debris or rubber in your mirrors, but the handling effect is less immediate. The instructor plays actual audio recordings of blowouts so you can recognize the sound.

Steer tire blowout response is the most critical because it directly affects vehicle control. The instructor demonstrates and explains the two most important rules: DO NOT BRAKE HARD, and HOLD THE STEERING WHEEL FIRMLY. Braking transfers weight forward onto the damaged steer tire, which can cause complete loss of control. Instead, you should grip the wheel firmly with both hands, counter-steer against the pull, maintain or slightly increase throttle momentarily to stabilize the vehicle, and then gradually decelerate using light engine braking before gently applying the brakes at low speed.

Drive tire blowout is less immediately dangerous but still requires proper technique. The instructor demonstrates maintaining steering control, staying in your lane, and gradually decelerating. Hard braking with a blown drive tire can cause the tire carcass to wrap around the axle or damage brake components. Light, gradual braking combined with engine braking is the recommended approach.

Trailer tire blowout is demonstrated with techniques for recognizing the event (sound, debris, possible small handling change) and responding. The instructor explains that the biggest danger with trailer blowouts is the tire carcass whipping and damaging air lines, electrical connections, or adjacent tires. Maintaining steady speed briefly, then gradually slowing to move to the shoulder, is the recommended sequence.

Roadside stop procedure after a blowout is covered: moving well off the roadway if possible, activating four-way flashers, placing reflective triangles at proper distances (10 feet, 100 feet, and 200 feet behind the vehicle on a straight road, adjusted for curves and hills), and assessing the situation before exiting the vehicle.

Prevention is also covered: proper tire inflation, pre-trip tire inspection (tread depth minimum 4/32" for steer tires and 2/32" for others), checking for cuts, bulges, and embedded objects, and tire age awareness (tires degrade over time regardless of tread depth).

For FMCSA tire safety regulations, visit https://www.fmcsa.dot.gov/. Supplement this critical safety training with our CDL practice tests.