Low Tire Treads Indicator



Checking on tires built-in tread indicator bars are in place so one can identify when your tire is in DOT violation. Wear indicator marker ∆ along sidewall of tire and wear bars are spaced throughout tire tread evenly. When wear bars are flush with the level of the tread means you need to replace tire. Constantly checking tires is key in spotting low wear bars because tire placement varies throughout your shift. 

Another tire DOT violation is flat spots on treads. Images below provide a visual for what you should be on the look out for during tire inspection. Tricks of trade is use of a quarter by placing quarter between tire grooves with head placed downward if you can see the top of his head new tire is needed. Truck tread depth gauge is a tool you can also use in determining whether tire threads are within DOT compliance. 

Low tire air pressure indicator light on trailer driver’s view side also communicates tire having a air leak present if it stays on for an extended period while enroute. Low air tire pressure indicator is a white light that is on when a tire has an issue with air pressure. Slack adjuster may also cause uneven wear on treads along with brakes grabbing more so on one side backing off the slack adjuster will help prevent tire flat spots.


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