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Old 09-16-2016, 06:59 PM   #11
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Napa carries the stems that will fit your rims, I got mine from them and use the flow through sensor, weight is like a 1/8 oz more. You would curb your tire before hitting that sensor...

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Old 09-16-2016, 08:07 PM   #12
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I have used the STS 507 RV system on rubber stems for three years with no problems. I have the cap sensors. Just now replacing the batteries. I was told they last about a year, but I take mine off when in storage. No pressure, no power.

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Old 09-16-2016, 09:15 PM   #13
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Originally Posted by spudston View Post
I visited some tire shops today and they told me the pictured valve stem should work. It seems a little short but I was told it should be the same length as the rubber stem I have now. Now to order the TPMS. I think I will go with the TST 507 with cap sensors since many people have used it successfully.
I have recently put these on my 26RR with steel rims. They seem to be working well. The rubber stems allowed the sensors to flop around and they even left marks on the edge of the rim where they hit. Eventually that would turn into a disaster. They had done 5,500 miles like that but I thought that was stretching my luck. The TPMS works well but one is very slow to register each time I start the truck.
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Old 09-16-2016, 10:48 PM   #14
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I had rubber valve stems for a few months and they worked well with the sensors. THEN I had a blowout. From the uneven spinning of that blowout wheel until I was able to stop, that sensor was gone. Had to purchase a new sensor. Now have metal valve stems on ALL wheels. Discount/America's Tire put metal valve stems on all my wheels for free. TT and TV along with my free wheel balance and tire rotation. Should have asked them about them earlier.

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Old 09-16-2016, 11:09 PM   #15
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Originally Posted by Sandy12345 View Post
After much research on this issue, I finally decided on the 507 non-flow thru system for my RV. I have rubber valve stems and have used it for several trips with no problems what so ever. The folks at Truck System Technologies worked with me and assured me that the non-flow thru sensors were perfect for rubber stems and would cause no problems. Just to assuage my fears, I purchased and installed a set of metal valve stem covers. They only cost 4 or 5 dollars for a set. Again, I have had no problems with air loss or any other problems with them. The flow-thru sensors would most likely require metal stems. I may look at that when I get new tires in a year or so. The TST 507 us an extremely good system. I love it. Happy Camping!
100% agree. The 507 system is the one. I don't have metal valve stems, don't need them with the 507 system as long as you don't get the flow through sensors. Mine have the anti-theft jacket and even with those no metal valve stems are needed. I've been using the TST 507 system for several years and they've saved me many times.

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Old 09-17-2016, 06:26 AM   #16
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TPMS, Aluminum Wheels & Steel Valve Stems

The TST info says about the 507 sensors: "No, you do not need special valve stems, but you do need commonly available metal valve stems.
The added weight of the sensor on a rubber valve stem could cause problems that will be avoided by using metal valve stems."

Those suckers (which is what I have) wobble enormously.
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Old 09-17-2016, 08:56 PM   #17
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Some/many(?) alloy wheels are not suited for true metal, bolt-on valve stems. What my tire shop recommended, and I went with when I upgraded tires, are what they called "high pressure" snap-in (not bolt-in) stems. These have an all rubber grommet base with a brass stem that resists bending like an all rubber stem. They give me confidence and, so far, they are working well with my non-flow through 507s.
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Old 09-24-2016, 11:43 PM   #18
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I had America's tire install the stems pictured in post #7. They then balanced the wheels with the TST 507 cap sensors installed. The $52 for the job was worth it for peace of mind. Thanks for the responses everyone!


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aluminum, wheel

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