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Old 08-01-2015, 09:05 AM   #1
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Location: Trenton, Ohio
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Purchased the TST 507 TPMS with standard sensors the installation and setup was easy and smooth and sensors appear to be very accurate. TST and others say these can be run on rubber valve stems without issues. But when I look at those sensors on the end of the rubber valve stems it makes me more nervous to tow than when I was towing without them. I know there will be a lot of advice to go with a metal stem but I would like to hear from those that are towing with rubber stems and obtain your feedback as to your experiences in regards to rubber stem issues. Such as how long have you been running on rubber stems (distance) and if you have had any stem failures. I truly believe in the benefit of the system but man it makes me nervous looking at the knob on the end of that rubber stem. I will eventually go to metal stems but in the mean time what is the advice.

Thanks for your input

Kevin & Denise Griffin

2015 Ford F350 Super Duty 6.7 Diesel CC SB, Demco 18K Hijacker Auto Slide, Pace Edwards Electric Tonneau, TST TPMS 507 Standard Sensors, Titan 50 Gallon Midship Fuel Tank

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Old 08-01-2015, 09:30 AM   #2
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I've had the TST 507 on my Rockwood since 2011 and have about 15,000 km on it. I added clear silicone between the gap of the rubber stem and aluminum rim to minimize rotary flexing and in 5 seasons had no issues.

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Old 08-01-2015, 11:40 AM   #3
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That's the first thing everyone should buy is a TPMS. It buys piece of mind. 507 TST is the one I have used for 4 years, ones for rubber stems. I have metal stems on camper tires now and the flow-thur makes it easy to put air in tires but I still have the ones for rubber stems. They work so good and I hate to spend more money for the ones for the metal stems. I have more than 10,000 miles on mine and no problems. I live in NC and we have been to Yellowstone. I thought the same thing you do about the stems but don't worry they will be fine. It is a great feeling to look at the monitor and see all is ok, the second thing you should buy is a Progressive Industry surge suppressor. Those two items will make camping so much more fun.

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Old 08-01-2015, 12:09 PM   #4
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Used the regular 507 for 2 yrs and approx. 25,000 miles on rubber stems. Put the 507 Flow thru on new rubber stems and got about 1500 miles before one started leaking. Now have all steel stems. No worries.
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Old 08-01-2015, 01:43 PM   #5
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According to TST website, they only require metal valve stems when using commercial sensors. Jerry

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Old 08-03-2015, 04:42 PM   #6
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I'd like to add what I know and what we experienced. We had rubber valve stems and added the TST. After about 300 miles, the alarm sounded. We pulled over and had a slow leak from the rubber valve stem. BUT the tire was almost 3 years old and the stem and hardened and cracked some from constantly being outside and in use. We had metal valve stems put in the next day.
I was told that if a tire is 3 years old or older or if you carry more than 80 pounds of air in your tires, you really should consider changing to metal valve stems. IF your tires are not that old, the stems are still supple & you carry less than 80 pounds of air, you should probably be OK. Just my 2 cents. Hugs, Di
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Old 08-03-2015, 05:12 PM   #7
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The Cedar Creek that I have has LT tires and metal valve stems, one day I'll have to break down and get the flo-thu

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Old 08-03-2015, 05:28 PM   #8
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I just installed the TST 507 Flow thru set on our 2014 Silverback 33RL last week...just returned a few hours ago from a 600 mile trip and did not have time to get metal stems put on before leaving, so I simply put them on the rubber valve stems...I know it's just one trip but everything went great with the system...I had the tire's air pressure at 80 psi when we left....6 hours constant driving one way...95 degree day...bright sunshine....psi never got over 89-90 and temperature never exceeded 106-107...on the return trip today.....temperature when we arrived home was 98 degrees and the readings were the same as the trip going....89-90 psi highs and 106-107 high temps.....proud I've put them on and I'm sure I will eventually change over to metal stem.
Lloyd & Kathy & Kit(17 yr old cat)
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Old 08-03-2015, 05:38 PM   #9
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TPMS is piece of mind. X2 on TST 507

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Old 08-03-2015, 06:19 PM   #10
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We have a TST as well. You can get metal sleeves that will slide over the rubber stem. The bottom of the sleeve fits in the gap of the wheel and the rubber stems won't flex. 6k miles of towing and all is well.

Lee and Anne

2016 F250 2WD CC SB XLT 6.2 3.73 3,295 lb payload cap.
2014 Salem Hemisphere 282RK 8k lbs loaded, Equal-i-zer WDH, TST 507 TPMS
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