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Old 03-29-2014, 05:05 PM   #11
MC9
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Twice my STS TPMS alerted me to low PSI. Both times it was little nail punctures. Can't imagine being without them.
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Old 03-29-2014, 05:19 PM   #12
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Our TPMS saved our *****. We were driving on I-80 across the Bonneville Salt Flats last July, running about 65mph. The wife was on the phone making campground reservations. The TPMS alarm went off. I looked and tire pressure was... 50, 40, 30, and going down fast. I pulled to the should and found the right rear tire with a 6" separation. I had felt nothing! Another 1/2 mile and who knows what damage would have occurred.

I don't go around the block without the TPMS.
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Old 03-29-2014, 06:15 PM   #13
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Quote:
Originally Posted by Tireman9 View Post
Given that the vast majority of so called "blowouts" are in fact "Run Low Flex" failures, TPMS can prevent most such failures if the warning is heeded and the TPM is set properly.
My system has two levels of warning based on loss from the hot pressure plus one warning level based on loss from the cold pressure level.
Bingo. Very few tires "Blow out" simply by popping. The pressure gets low, the sidewalls flex and just like bending a fork back and forth until it breaks the sidewall eventually can take no more and gives way proving that 10PSI (What pressure was left) can be pretty violent when released at once. Imagine if the tire let go at 80PSI. The damage would be extreme.

I've had one TPMS experience, it was on my company car. Cruising on a long straightaway I suddenly had the TPMS alarm go off indicating a left front problem. I hit the display and found 17PSI........14PSI.......12PSI finally as I got stopped 9PSI last I looked. It was a serious hole, nearly 1/4" and was flowing air easily. But going straight the car drove normally, and that's where TPMS shines. When going straight you don't know anything's wrong until it's too late, either you turn and feel it possibly losing control, the stress of turning finishes it off and it blows, or still going straight it gives way which is usually a surprise.

When it's a trailer, it's even worse. I've seen (And tried to flag down) people pulling trailers with one tire gone and they have no idea.

Now, delaminations can happen suddenly and are often called blowouts. That's where the tread separates from the tire and flaps around like film at the end of the reel. That causes serious damage.
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