Bert2 Posted May 31 Report Share Posted May 31 I am changing from a fifth wheel to a Class A and towing my SUV. I have it all set up to tow but not sure what to do about tire pressure monitoring. On my fifth wheel I installed steel valve stems for the tire monitoring pressure sensors. My SUV has its own tire monitoring sensors inside the tires but the valve stems on them are rubber so my external sensors would break the rubber valve stem eventually. My GM dealer showed me a metallic valve stem (grey in color) but advised GM quit using them due to leaks where it threaded together and the valve caps seizing on the valve stems. Any ideas or suggestions? My toad is a 2013 GMC Terrain AWD and is on the approved list for flat four towing. Quote Link to comment Share on other sites More sharing options...
Dutch_12078 Posted May 31 Report Share Posted May 31 Truck Systems Technology (TST) lists their valve cap sensors as compatible with both metal and rubber stems. They weigh just 16.8 grams. https://tsttruck.com/507-series-4-rv-cap-sensor-tpms-system-with-color-displaytst-507-rv-4-c.html Quote Link to comment Share on other sites More sharing options...
ARGO Posted May 31 Report Share Posted May 31 A++ TST sensors. Their support is great, and you don't get held hostage to replace the little batteries. Quote Link to comment Share on other sites More sharing options...
TXiceman Posted May 31 Report Share Posted May 31 I have tried two other TPMS systems with poor results. Those two were eventually trashed. I have had the TST for about 6 years now and it is great. The customer support is top notch. I did have to add the repeater as the rear axle from my 3-axle 5er would sometimes drop the signal. With the repeater, no issues. Go ahead and spend the $$$ and get a TST. Ken Quote Link to comment Share on other sites More sharing options...
Ray,IN Posted June 1 Report Share Posted June 1 I've been using TST brand flow-thru sensors on my 2013 Silverado pickup since new, while towing it behind our MH. The wheels have rubber stems and the tires do lose pressure very slowly, I have to add air about once every 2-3 months. Other than that, the stems are fine today. Quote Link to comment Share on other sites More sharing options...
Twotoes Posted June 1 Report Share Posted June 1 I too moved from a 5th wheel to a Class A. I tow a Jeep. Already had the TSD System on the 5er so only had to buy 4 new sensors. I have the same model sensors pictured in Dutch post on the Jeep and the flow thru model on the Class A. I don't like the flow thru model as much. I also upgraded to the color monitor when I got the the new sensors. Quote Link to comment Share on other sites More sharing options...
57becky Posted June 4 Report Share Posted June 4 A couple years ago, I needed to replace my factory TPMS valve stem/sensors on my Chevy truck, and even though I wasn't installing external sensors, I wanted the metal stems. Discount tire installed the new sensor/stems and they have been great, and compatible with the truck TPMS system. Maybe replace the stem/sensors so they still work with the toad and will allow you to use the external TST sensors. Discount used these, even though they didn't get them from Amazon: https://www.amazon.com/VDO-SE10001HP-REDI-Sensor-314-9-Sensor/dp/B00CBQFE8E Quote Link to comment Share on other sites More sharing options...
Dutch_12078 Posted June 4 Report Share Posted June 4 If you're considering a TST TPMS, I recommend only using the valve cap sensors, not the flow-thru sensors. The flow-thrus are heavier and TST says they are not compatible with rubber stems. They also don't make a lot of sense to me since removing a cap sensor is about the same as removing a standard valve cap, such as the one used on the flow-thru sensors. They also tend to be subject to curb damage more easily in some cases Quote Link to comment Share on other sites More sharing options...
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