Tire leaking air. Added a few pounds of air and took air line off valve stem. Top of valve stem blew off and tire was flat in seconds. The top did not hit me, but could have if I was closer. Chrysler dealer replaced the valve stem with the same kind of valve stem and said that newer cars had a rubber valve stem. Shortly afterward had the other three valve stems replaced although dealer said not leaking, but tire pressure warnings kept coming up and air had to be added. Poured water on all valve stems and the other three were blowing air bubbles. Now in January 2019 had to replace a valve stem as leaking air. Had rubber valve stem put on by Walmart. Now another tire is leaking air and will have to replace valve stem. If valve stem blew apart on highway, could be a deadly disaster.

We had only had the vehicle 4 months and the TPS valve on the front right tire broke and flattened the tire and instead of a cheap flat repair, it cost $120 total. They cannot just replace these stupid things with regular valve stems...then 3 months later, it happened again on the same tire. Firestone then asked "do you want us to replace the left side too, because we think it might be bad as well". I said hell no. As long as it holds air, I'm not paying the $120x2. I think we need a class action suit since they obviously don't care about all these issues on this stupid TPS system they thought would be a good and safe feature in these vehicles.

When adding air to these tires the sensor valve is made from a very thin aluminum and the threaded section that holds the air valve cracks and the blows off with the valve thereby leaving all the air out of the tire. This is the second time this has happened. The first time the parts were covered under warranty but this time there is 38000 miles on the vehicle and therefore it is not covered. This is a very expensive item costing about $90.00 for just the part. In addition to that, when I took the tire to the dealer to be repaired, I was informed that the parts were not available and there were at least 140,000 valves on backorder so this is not just a random problem. I then had them install a regular tire valve in the wheel so I could at least use the vehicle but, of course, the dash light stays on indicating a low tire. I was told I could not change the valves to regular tire valves as this is all in the computer and the indicators will stay on showing a low tire. I think it is a nice feature but this part is just made so cheaply that it should be replaced with one that will at least allow you to add air to a low tire without breaking the valve.