Tire Pressure Monitors
#2
Originally Posted by Wingtraveler
Does anybody know what the overpressure psi is that activates the monitor? Thanks,
Gary S
Gary S
PS, the tire was losing around 2.5 lbs over a 24 hour period. Did not have time to take it in for a few days.
#4
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Someone once mentioned to me that some car manufactuers don't actually check the pressure of the tire, but rather, check the level of the car itself. If one or more corners seem to fall below another corner they consider it a flat tire.
Can anyone prove or disproce this notion? I just had my rear two tires swapped and my light is on. I was thinking it might have been the difference in thread from my front tires with this, but if it actively monitors the tire pressure I will take a closer look at the tire pressure.
Can anyone prove or disproce this notion? I just had my rear two tires swapped and my light is on. I was thinking it might have been the difference in thread from my front tires with this, but if it actively monitors the tire pressure I will take a closer look at the tire pressure.
#5
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Originally Posted by KamokuWan
Someone once mentioned to me that some car manufactuers don't actually check the pressure of the tire, but rather, check the level of the car itself. If one or more corners seem to fall below another corner they consider it a flat tire.
Can anyone prove or disproce this notion? I just had my rear two tires swapped and my light is on. I was thinking it might have been the difference in thread from my front tires with this, but if it actively monitors the tire pressure I will take a closer look at the tire pressure.
Can anyone prove or disproce this notion? I just had my rear two tires swapped and my light is on. I was thinking it might have been the difference in thread from my front tires with this, but if it actively monitors the tire pressure I will take a closer look at the tire pressure.
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Originally Posted by KamokuWan
Someone once mentioned to me that some car manufactuers don't actually check the pressure of the tire, but rather, check the level of the car itself. If one or more corners seem to fall below another corner they consider it a flat tire.
Some cars, like Fords, use an algorithm in the anti-lock brake system to detect differences in rotational speeds to detect a low tire. If all the tires are equally low, it won't tell you anything.
Originally Posted by KamokuWan
Can anyone prove or disproce this notion? I just had my rear two tires swapped and my light is on. I was thinking it might have been the difference in thread from my front tires with this, but if it actively monitors the tire pressure I will take a closer look at the tire pressure.
#7
Originally Posted by KamokuWan
Someone once mentioned to me that some car manufactuers don't actually check the pressure of the tire, but rather, check the level of the car itself. If one or more corners seem to fall below another corner they consider it a flat tire.
Can anyone prove or disproce this notion? I just had my rear two tires swapped and my light is on. I was thinking it might have been the difference in thread from my front tires with this, but if it actively monitors the tire pressure I will take a closer look at the tire pressure.
Can anyone prove or disproce this notion? I just had my rear two tires swapped and my light is on. I was thinking it might have been the difference in thread from my front tires with this, but if it actively monitors the tire pressure I will take a closer look at the tire pressure.
Who swapped the tires and is it possible they let the bead of the tire break the sensors?
#8
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It is a local Firestone shop right next to my work. They aren't trying to avoid fixing it they asked me to come in so they could take a look. I just don't want the hassle if it is going to go away on it's own.
As far as it being possible they broke something, I always say anything is possible. How would I check something like that?
As far as it being possible they broke something, I always say anything is possible. How would I check something like that?
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Originally Posted by Wingtraveler
Does anybody know what the overpressure psi is that activates the monitor? Thanks,
Gary S
Gary S
#10
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The tires are directional? So, if you are to rotate tires every 5,000 miles...you just swap rear->front, front->rear...and then on the next rotation...put it back how it was?
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Originally Posted by DaveT
Don't have my book handy, but memory says that the high pressure setting is 48 psi, and the low pressure setting is 26 psi. I'll double check on my next trip to the garage.
I just had new Pirellis installed at a local tire place and the Mazda dealer says they broke all four sensors! Moral of the story: follow the directions!
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Originally Posted by unpocoloco
The tires are directional? So, if you are to rotate tires every 5,000 miles...you just swap rear->front, front->rear...and then on the next rotation...put it back how it was?
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Pirelli PZero Nero M+S - check out Tirerack - $150 each. I got them through Belle Tire, with mounting, balancing, sales tax and lifetime wearout ($15 ea) my total came to $848. Make sure to print a copy of the Service Bulletin on changing tires/wheels and point out that they have to remove the TPMS sensors!
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