![]() ![]() Just wipe them off before testing the pressure. We also have cap-less long metal stems on the tires to avoid having to unscrew the cap. It is plenty long and able to reach the inside dually without a problem. “I use a Milton tire pressure gauge with a 16-inch straight and offset head metal wand. The product is basically a gimmick.” – Charles Spray Jr., 2002 Ford F350, 2016 Travel Lite 1100 Illusion Valve stem extensions have ruined many tires on RVs over the years. It’s the same when adding air to the tires. If the metal valve stems didn’t come with self closing valve stem caps, install the metal ones and all you have to do is push the gauge on the cap. “If your dual rims are aligned correctly, you will be able to access your inside duals with a tire pressure gauge designed for trucks. I was initially worried that these extensions would leak, but time has proven that my pressure changes haven’t increased with these extensions (the type with a short, flexible braided stainless steel hose).” – Bruce Allison, 2000 Ford F350, 2012 Adventurer 910 FBS I don’t know why I hadn’t done that sooner! It’s so nice to have that inner tire valve accessible now! I used to contort myself and my air chuck to reach to the inner rear tire, but years ago I had tire stem extensions installed when I bought new Michelins (again). Usually a couple tires will need a few pounds of air added, so it’s well worth the effort. ![]() “Proper tire pressure is paramount for vehicle safety and tire longevity, so I check all six tire pressures every time the truck camper is prepared for a trip. This week’s Question of the Week was, “How do you monitor and maintain the air pressure in your inside dually tires?”Ībove: Bruce Allison’s tire pressure tools Valve extensions certainly increase the convenience of monitoring and maintaining dually tire pressure, but must be installed properly to ensure both accuracy and safety. Whatever you decide, be sure to consult with a local professional tire service provider before proceeding with metal valve stems or valve extensions. Several readers report having issues with the braided hose extensions including deflation, tire balance issues, and installations that come loose through vibration and centrifugal force. If you still want valve stem extensions, most recommend the short 90 or 180-degree metal type, not the braided hose type. This got us safely back on the road, but left us with the frustration we started with how to reach the inside dually to monitor and maintain air pressure.įor this week’s Question of the Week, we asked Truck Camper Magazine readers share how they monitor and maintain the air pressure in their inside dually tires.Īfter reading through all the responses, the overall consensus is (a) metal valve stems are critical for dual rear wheel trucks, and (b) the best and safest solution for monitoring and maintaining inside dually pressure is not to install valve stem extensions, but rather to use a dual head tire inflator gauge. To solve this problem, we had the rubber valve stems replaced with metal valve stems and removed the valve extensions. The problem, as far as we can tell, were poorly installed rubber valve stems coupled to equally poor valve stem extensions. Never use rubber or plastic valve extenders.This week we told our story about how we had not one, but two potentially serious dually wheel tire situations with our truck camper rig earlier this year. The valve extender itself can also come loose, causing a blowout or additional damage to your transmitter and rim. This will cause pressure and signal issues with your TireMinder TPMS. This is due to the fact that many of they are not consistently pressurized, which means that they only pressurize for enough time to receive a gauge reading. They cause the most leaks, the most tire pressure and signal loss alerts, and the most overall headaches. This will damage both the transmitter and your rim.īraided steel valve extenders are not recommended. When being bent, please instruct your tire dealer to provide enough room so that the TireMinder transmitter does not rub against the tire rim. These type of valve stems can be altered by your tire dealer to correctly bend into place. If you have to use a valve stem, we highly recommend straight metal valve stems. Using these kits is the safest way to protect your tires from valve stem related issues. Other suppliers will also carry similar dually valve stem kits. We recommend taking a look at 's dually valve stem kits ( link). Straight valve stems are recommended for safely using any TPMS. They have been known to cause leaks, which can lead to a blowout, as well as no signal errors (see Pressurized vs Non-Pressured Extenders). This is because valve extenders create an additional issue point. If you can, we highly recommend not using valve extenders when using a TPMS. ![]()
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