![]() Our coach (2001 Aerbus 3550 BSL) had the braided stainless valve stem extensions on it when we bought it in 2004. There are rubber 'grommets' that install in the holes in the outside wheel that support the weight of the stem at high speeds. You could displace enough sealant to clog the valve core seal. Of the extension just because it's easier. Do Not attempt to put the sealant into the threads Apply a SMALL amount of paste thread sealant to the inside valve stem threads. I want to make two points if you must do this.ġ. Bend the stem until you can safely thread the sensor on.Ī tire monitoring system allows you to electronically check pressures, you probably will not have to remove and re-install the sensor more than a couple times a year, if that.įor those of you who do not have a tire monitoring system, I suggest you install, 4" long SOLID metal extensions on the If it is not lined up well enough to ensure against cross-threading, take a piece of 3/8" copper tubing (or equivalent) about a foot longĪnd slide it over the inside stem. If it is, proceed to thread the sensor in place. Note: Before attempting to thread the sensor on to the inside stem, check to make sure the valve stem is "looking" straight When properly tightened, wiggle the extension side to side to loosen its grip on the sensor and remove. Insert the socket w/sensor through the hole in the outside dually and thread the sensor in place.ĥ. Press the sensor lightly into the socket.Ĥ. The solution for accessing the inside dually, for many tire monitoring system, is simple.ģ. When tire maintenance was performed on truck running gear, it didn't matter which wheel went on the inside or outside. The reason the valve stems are positioned toward the wheel mating surface comes from the trucking industry.Īll wheels on semi-trailers and on older tractors are the same. Use a soap solution to ensure there is no leakage. Loosen the nut securing the valve stem in the wheel.Ģ. The solution to easily accessing the outside dual wheel valve stem is:ġ. They're a source of leaks, and it's not IF but WHEN. Now have 166,000+ miles on my 94 Bounder.įirst, I have solutions for accessibility to dual wheel valve stems. I use the valve caps that you do not remove for testing. What can you tell me about what to do about this? I feel that especially with the rear tires, I have to insure that I monitor the pressure, as I could easily have a leak or flat in a rear inside tire and probably not even notice it 'til the outside tire blew.Īfter having problems with the pressurized braided estensions, I went with the solid unpressurized extensions with no more problems. Even tire stores are reluctant to install extensions it seems. I'm receiving alot of free advice, from don't install them to only use straight extensions on the inside wheels. I purchased a tire pressure monitoring system then quickly realized that access to the valves on the rear four wheels was obstructed.that the outside rear tire stems pointed inward, and the inside rear tire stems could not be reached. NIRVC in Phoenix has been doing the repairs and I hope to pick up this week And get back on the road toward Florida.Being new to RVing, one of my concerns has been maintenance of the tires and in particular, how to monitor the tire pressure. I provided them pics of the damaged extension and they claim either the previous 83 year old owner, the selling dealer or myself removed metal clips that are supposed to hold the valve extension in position. Have dozens of calls into FLCC and a FLCC dealer has looked at it, but they refuse to take responsibility because my VIN is not in their list of VINS with this issue, even though the year and model of chassis is listed in the recall. Fortunately no one injured or damaged as I crossed 3 lanes of traffic with rubber flying everywhere and got to the side of the road. Limped into the next town and get a new inner, but by then the real damage had already been done, basically destroyed the outer and it shredded less than 600 miles later while on the I75 north In N FL. Mobile guy didn't notice any damage and we wound up with a golf ball sized hole in the side wall. (Tire shop speculates that when the stem came off it came off on the inside and damaged the side wall. Discovered the tire down and got a new valve stem installed the next morning via road side assist and headed out and that tire blew out in less than 10 minutes. (That is another long story) and so we drove for approx 2-3 hours on a single wheel in back on patio side with out knowing it. The driver side went down with no way to know ( I had unresolved TST issues so got an alert when the entire extension with sensor tore off the inner wheel somewhere on the I10 in nowhere TX, but due to constant false "loss of signal" alarms I ignored it. I hope that is just the tire issue album. ![]()
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