RV tire warnings and blowouts: keep control, then stop

If a tire blows out, hold the steering wheel firmly, avoid abrupt braking or accelerator changes and stabilize the vehicle. Slow gradually and leave the road when safe. Before continuing, obtain a safe inspection of the tire and any damage to the RV, brakes or wiring.

Use the published response without adding a throttle command

NHTSA’s blowout instructions say to hold the wheel with both hands, maintain speed if possible and safe, gradually release the accelerator, correct steering to stabilize, then slow and pull off where safe. Do not turn that into a universal instruction to accelerate after a blowout.

NHTSA’s control-first sequenceHold the wheel and avoid abrupt reactionsThen: Stabilize and gradually release the acceleratorThen: Slow and pull off where it is safeNHTSA’s control-first sequenceHold the wheel and avoid abrupt reactionsStabilize and gradually release the acceleratorSlow and pull off where it is safe

A date code is one part of the condition decision

The last four digits of a modern DOT tire date code identify week and year. For example, 2321 identifies week 23 of 2021. It is a manufacture date, not a guarantee of service life; inspect tread, cracks, damage and the relevant maker’s replacement guidance as well.

Michelin’s RV service-life guidance calls for specialist inspection after five years in service and precautionary replacement at ten years from manufacture, with earlier vehicle-maker advice taking priority. Do not apply that as a promise that every RV tire can serve ten years.

Separate the tire questions before departure
QuestionEvidence to use
What cold pressure applies?Vehicle placard/manual and applicable tire/load instructions
Is this tire fit to remain in service?Condition, damage, age and maker guidance
Is the axle overloaded?Actual loaded weighing, plus wheel-position evidence where available
Is the spare usable?Its fit, rating, condition, date and pressure

Resolve a warning before it becomes roadside work

Check pressure cold using an accurate gauge, including the spare. NHTSA defines a cold reading as after at least three hours without driving and directs owners to the vehicle label or manual.

The tire sidewall maximum is not automatically the required pressure. Do not bleed a hot tire down to a cold target.

A pressure-monitor warning deserves investigation; the absence of a warning is not a tire inspection. Follow the actual monitoring system’s instructions. After a failure, keep people away from traffic and obtain roadside assistance where the location or equipment makes a change unsafe.

Use a trailer flat-tire response for the stopped vehicle and RV tires and wheel care for replacement, wheel and service questions.