RV Livestyle & Repair Editors

Proper RV Tire Pressure: Finding the Right PSI

RV Livestyle & Repair Editors
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Just because your RV’s tires say they can handle a certain PSI doesn’t mean the listed PSI is the ideal one for your vehicle. Proper tire inflation requires weighing your vehicle with the load you’ll be carrying, and filling to match that number. In this free video lesson, RV maintenance expert Dave Solberg teaches you how to find the correct RV tire pressure for your motorhome, coach, fifth wheel, or whatever else you drive.

We see RV owners make this mistake all the time, and for understandable reasons. Drivers are constantly told that the number on their tire’s sidewall is what you need to look for, but what they’re not often told is that that number is the maximum RV tire pressure at the maximum weight capacity. Unless you’ll be hauling max weight, you don’t need max pressure!

What happens when you fill your tires too much?

Overinflating your tires can lead, of course, to the unexpected and dreaded pop while working your way down the highway. But it can also cause lower fuel efficiency as well as poor braking and handling abilities due to incomplete tread contact with the road. To prevent all of these things, Dave recommends taking your RV to your nearest CAT scale to get an exact measurement, incorporating all weight that you’ll be carrying on your next trip. Just put your RV on the scale and see your precise readout!

Once you have that number, you can refer to your tire manufacturer’s conversion chart to find the ideal RV tire pressure for your model, no matter if you use a single or dual system. It’s that easy! Be sure to do your homework and spend about $10 to get the weight and inflation right, and you’ll enjoy a smoother ride with better fuel efficiency, reduced risk of accidents, and a longer tire lifespan. Ride safe out there!

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3 Responses to “Proper RV Tire Pressure: Finding the Right PSI”

  1. Gregg Corbitt

    We have a Monaco monarch.

    Should the motorhome have all the tanks full(gas, fresh water, black water, grey water tanks full when you do the weights of the axles?

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  2. Dave

    This applies to trucks & cars also. You don’t put the pressure that is on that doorpost. That is the recommended pressure that should be in the tire, not the ideal for your load.

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