Tips for checking dual tire pressure on your RV
Many large RVs have dual tires which are an adjustment for a lot of people to get used to. In addition to the added expense when it's time to buy new tires, maintaining dual tire pressure is especially important since if the pressure in one gets low, it can rub against the other and cause damage and safety issues. FulltimeRVer.com offers some suggestions on getting an accurate reading on the hard-to-reach inside tire.
Valve stem extensions can make reaching the valve on the inside tire easier to reach. They add about four inches to the tire valve so you'll be able to reach it and get a true reading. These stem extensions are specifically designed for dual-tire vehicles and run about $15.
However, valve stem extenders can only be used on metal valves and some tire experts warn that they can increase tire air leaks.
A dual foot pressure gauge often used by truckers is a good option as well. It looks like a regular tire pressure gauge but is longer and has an angled stem to make reaching the inside tire valve possible.
Filling dual tires up is another issue that takes some planning, according to the website. Most regular service stations won't have the proper set-up. Truck stops will be the best option for getting air for dual tired vehicles.
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