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Discussion Starter #1 (Edited)
HAVE A QUESTION ABOUT TPMS OR WHAT THIS MEANS....
tpms_display1.jpg
THEN READ THIS BEFORE ASKING. MOST LIKELY YOUR QUESTION IS ANSWERED HERE!


I have seen people asking about the Tire Pressure Monitoring System when buying new rims. I have called a rims place and they said something about adding sensors for an extra 70 bucks. DO NOT BUY NEW SENSORS. Your sensors will transfer over to the new rims. All you need is a new snap in valve stem specifically designed for that sensor.

The only reason you would want to buy new sensors is if the sensor is bad. I do not think you can have two sets of wheels (ei summer and winter wheels) and each set have their own set of sensors. I doubt the VT can read eight different sensors. The only time a sensor has to be programmed is when replacing sensors. Leave that up to the dealer or a shop who has the right equipment to perform that type of services. I know Costco can. But we aren't like most tire shops.

Other than that, just buy the new valve stems for the new wheels. I know you wouldn't be changing out the tires or valve stems yourself, but you can give the valve stems to the tire shop because they might not have them or they might try to sell you new sensors. Basically, they would just dismount your stock tires from the stock wheels, remove the screw on the bottom of the valve stem that holds the sensor on the valve, remove the sensor from the valve once the screw is removed simply by sliding it off (it would just fall right off). Then you reinstall the sensor on the new valve stem with the screw that was provided then pop the valve stem back in the new wheels.

DO NOT reuse old valve stem! You will need new valve stems every time you swap the TPMS onto a new rim. It even says so on the sensor itself.

This is what your sensor looks like connected to the snap in rubber valve stem. It consist of three parts. The valve stem, the sensor, and the screw that secures the sensor to the valve stem. (oh and the valve cap, but you can use whatever valve cap you want)
9398.jpg

When buying valve stems, this is basically what you get, though yous might come with a different valve cap.
l_vs950s.jpg

Costco sales VS-950 Dill for $2.99 each. this is exactly what we sale and we do torque the screw to manufacture specs and relearn the sensors for you too is needed.

$T2eC16F,!zEE9s3!(H9pBQmC3bfGcg~~60_35.JPG

You can buy these on ebay for about 10 to 15 bucks for the set.

Also, know what it means if your TPMS blinking just on solid? When your TPMS light is blinking, that means there is something wrong with your TPMS system. Blinking could mean a sensor is broken either physical broken during install or the battery is dead, but the batteries should last about 7 years. the same life span as a watch because it is basically the same battery. or your dash, for whatever reason, can not read the physical sensor in your rims. The original TPMS sensors do not need to be relearned UNLESS you replacing the TPMS sensor.

Now if the TPMS light is on solid, more than likely you need to just check your air pressure. You can look at your driver side door sticker and it tells you what size tires you need and how much air it needs. I do not own a VT yet so I do not know at hand. But I would say 35psi is good. And if it doesn't go off still I would I wouldn't inflate them no more than 38psi.

UPDATE:
I got these from work. these are not private. But might be hard to get a hold of.
Here lies pictures, part numbers, and a lot of info for you and a relearn procedure. This is very technical but you can take these and cross reference with your shop and maybe give them a good idea of what they are looking for and what they need to do.
tpms page four relearn procedure.jpg tpms page one.jpg tpms page three.jpg tpms page two.jpg

Pretty much everything you need to know is here about tpms. if you are having trouble ask here and I will relook at this post and adjust to make sure whatever you didn't get will be answered here. Maybe I will have a Q&A here too.

 

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i bought wheels today and transfered the tpms over and my light came on afterwards... :[
 

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Reliable active sensors are needed to keep from screwing up the wheels if you get a FLAT TIRE.

It's because the sidewall is so short. You cannot run on those wheels with a flat.

I think the sensors are on a clip inside the tire on my VT. I can see the hanger clip on the backside of the rim on each wheel.

***
 

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Discussion Starter #4
i bought wheels today and transfered the tpms over and my light came on afterwards... :[
Is it blinking or is it solid? When your TPMS light is blinking, that means there is something wrong with your TPMS system. Blinking could mean a sensor is broken either physical broken during install or the battery is dead, but the batteries should last about 7 years. the same life span as a watch because it is basically the same battery. or your dash, for whatever reason, can not read the physical sensor in your rims. The original TPMS sensors do not need to be relearned UNLESS you replacing the TPMS sensor.

Now if the TPMS light is on solid, more than likely you need to just check your air pressure. I would say 35psi is good. And if it doesn't go off still I would I wouldn't inflate them no more than 38psi.
 

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Discussion Starter #5
Reliable active sensors are needed to keep from screwing up the wheels if you get a FLAT TIRE.

It's because the sidewall is so short. You cannot run on those wheels with a flat.

I think the sensors are on a clip inside the tire on my VT. I can see the hanger clip on the backside of the rim on each wheel.

***
Actaully, after the year 2007 it is mandated that every vehicle sold in the US have them like seat belts. It is a good think, not just because the tires are too short, or low profile. You can have a blow out if your tire pressure are too low and not to mention waste a lot more gas. Not everyone checks their tire pressure monthly like they should. So this is a good thing because I would be PISSED if someones tire blow out and I got in an accident all because they never bother to maintain their vehicle.

But like you said, I can not run these tires, nor any other tires below manufacture specs. And you can not see the sensor. it is mounted inside the rim the the other side of the valve stem.
 

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I was driving around today and it randomly turned off haha it was raining and very very cold last night maybe something affected it aha
 

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Discussion Starter #8 (Edited)
I was driving around today and it randomly turned off haha it was raining and very very cold last night maybe something affected it aha
When driving, your tire warms up with the friction between the tire and the road. As the air in your tire warms up, the pressure in your tire expands. Thus, reaching the set point for the sensors to deactivate the light on your dash. You just need to raise your pressure in your tires to about 35psi cold (tires haven't been driven on yet) OR 39psi hot (tires being driven on). And to clarify a hot tire, your tire is considered hot after about a mile of driving.


cold weather lowers the internal pressure of the tire. which is the best time to set it at 35-38 psi.
Correct. For every 10 degrees (F) the temperature drops you loose 1psi.
 

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Now you guys know if you fill your tires up with nitrogen* you will never ever ever worry about checking your psi in your tires :D Trust me. Unless you pick a nail up of course haha. But I have had the Car since Late October of last year and check the tire pressure every now and then and it still maintains 32 steady no matter how cold and hot it gets! Since it doesn't expand wooo.
 

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Discussion Starter #10
Now you guys know if you fill your tires up with nitrogen* you will never ever ever worry about checking your psi in your tires :D Trust me. Unless you pick a nail up of course haha. But I have had the Car since Late October of last year and check the tire pressure every now and then and it still maintains 32 steady no matter how cold and hot it gets! Since it doesn't expand wooo.
I would never suggest that if you have nitrogen you will never have to check your tire pressure.

Nitrogen will help reduce the fluctuation of the pressure in your tire from hot temps to cold temps. But it is inevitable that you are going to loose pressure in your tire no matter what kind of gas you have in your tires.

True, nitrogen molecules are three times bigger then regular compressed air and therefor it will reduce you loosing pressure in your tire.

And true, the whole point of TPMS is to make you aware if one of your tire has inadequate pressure in any of your tires. So, theoretically you should never have to check your pressure unless your tpms light is on.

But I am anal about my tire pressure and I make sure my pressure in my tires have the same pressure in all tires.
 

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I just bought a new set of wheels and tires and was kinda confused about transferring the tpms. When my boyfriend got new tires for his mazda3 his tpms came off when the tire was dismounted but I've hear ours is a bit different. Do I have to have the tires dismounted in order to take off the tpms? I'd prefer to sell the OEM wheels/tires as a set, but want to keep the TPMS. Will I need to dismount/remount/balance my stock set to keep my TPMS?
 

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I just bought a new set of wheels and tires and was kinda confused about transferring the tpms. When my boyfriend got new tires for his mazda3 his tpms came off when the tire was dismounted but I've hear ours is a bit different. Do I have to have the tires dismounted in order to take off the tpms? I'd prefer to sell the OEM wheels/tires as a set, but want to keep the TPMS. Will I need to dismount/remount/balance my stock set to keep my TPMS?
Yes, the sensors are in the tire so the tires would have to come off the wheels.
 

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Well I have worked at Discount Tire for 4 years now so I have a few things...
1) Nitrogen is not the miracle gas that the dealership will say it is. Yes it has bigger molecules but one fact they do not mention is everyday air is 70% nitrogen. Nitrogen is put in tires for one purpose, it resists change in temp. more then regular air (higher heat capacity). But eventually, you will begin to lose tire pressure because tires are not indestructible. They are made of rubber and as we have all seen, rubber dries out and comes apart, this will then lead to the loss of air. So I always recommend checking your air once a month, whether or not you have nitrogen or regular air. Discount Tire will do if for free if you pull up to the bay. NEVER PAY FOR NITROGEN!!!
2)A little about TPMS. The thing that is replaced with TPMS is the rubber, whether it is a rubber valve which is on the VT or a screw-in metal valve, the rubber that seals the valve to the wheel is what needs to be replaced since it eventually dries out and will leak. After 6-8 years, the battery of the TPMS sensors will die and unfortunately batteries are not sold separate, a new sensor will need to be purchased which is about $70 a piece. The sensors are connected to the valve so the tires need to come off for the sensor to be retrieved.
-I hope this helps, if you have any questions, feel free to ask.
 

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Discussion Starter #16
I just bought a new set of wheels and tires and was kinda confused about transferring the tpms. When my boyfriend got new tires for his mazda3 his tpms came off when the tire was dismounted but I've hear ours is a bit different. Do I have to have the tires dismounted in order to take off the tpms? I'd prefer to sell the OEM wheels/tires as a set, but want to keep the TPMS. Will I need to dismount/remount/balance my stock set to keep my TPMS?
sorry for not getting back to you earlier.

I hate tireshops that don't know how to finish a job. The tireshop you went to should have transferred the tpms for you. yes you will to dismount the tire of the rim to get to the sensor.

I don't understand stand when you say your bf got new tires and his tpms came off when the tire was dismounted. did they break them?

Ours is essentially the same as your bf mazda. you will have to dismount the tire in order to take off the vt's sensors just like any other tpms.

I highly recommend you keeping your OEM wheels/tires. Just for the simple fact that your wheels can get stolen. plus it is good to have a spare since the vt doesn't come with a spare.

If you want to keep your tpms, you will have to take your OEM wheels/tires to the rim shop you went to and tell the to dismount the tires on both sets and remove the sensors from the oem wheels and reinstall them on the new rims. this, however, will require new valve stems. They SHOULD sell the correct valve stems for the vt tpms. If not, you can go to costco and ask for valve stems for a 2013 hyundai veloster. to keep it short, tell the you need qty 4 vs950. they will know what that is. then you can take the valves to the rims shop and tell them to do everything. Do not buy them at discount tire. they charge 7.50 for each valve stem for the vt. costco charges only 2.30 each. If you don't have a costco membership, you can buy them on ebay for about 15 bucks.

I hope I am making sense. I do this all day everyday and I know I can get ahead of myself when explaining this to someone who has no clue. you can pm me if you'd like or

Well I have worked at Discount Tire for 4 years now so I have a few things...
1) Nitrogen is not the miracle gas that the dealership will say it is. Yes it has bigger molecules but one fact they do not mention is everyday air is 70% nitrogen. Nitrogen is put in tires for one purpose, it resists change in temp. more then regular air (higher heat capacity). But eventually, you will begin to lose tire pressure because tires are not indestructible. They are made of rubber and as we have all seen, rubber dries out and comes apart, this will then lead to the loss of air. So I always recommend checking your air once a month, whether or not you have nitrogen or regular air. Discount Tire will do if for free if you pull up to the bay. NEVER PAY FOR NITROGEN!!!
Yes and no, Nitrogen isn't a miracle air. but it does resist pressure change when temp changed. So it is good to have because it does keep a constant air pressure through out the seasons which leads to better tire wear. Also, regular air does conatin 70% nitrogen gas but the rest of the air contains moisture. the moisture causes the rubber to crack and rims to rust up.

I do agree to never pay for nitrogen. That is why Costco Tire Center provides nitrogen for free :D something discount doesn't have. Also, we check your air pressure free of charge. So once you get your tires installed at costco and your tires are filled with the correct amount of nitrogen to make it effective, you can then get your tires checked monthly at costco because we when we check your tire pressure and your tires need to be topped off, we will ONLY top it off with nitrogen. It is a win win for you. You don't have to worry about contaminating your nitrogen filled tires with regular air because you will then dilute the nitrogen to regular air.

Even if you stop somewhere and fill your tires up with regular air, costco will provide a nitrogen purge for you free of charge. :D

2)A little about TPMS. The thing that is replaced with TPMS is the rubber, whether it is a rubber valve which is on the VT or a screw-in metal valve, the rubber that seals the valve to the wheel is what needs to be replaced since it eventually dries out and will leak. After 6-8 years, the battery of the TPMS sensors will die and unfortunately batteries are not sold separate, a new sensor will need to be purchased which is about $70 a piece. The sensors are connected to the valve so the tires need to come off for the sensor to be retrieved.
-I hope this helps, if you have any questions, feel free to ask.[/QUOTE]

DAMN! You guys got them at 70 a piece. costco fo sho has you beat on new tpms sensors :D

Everything he said is true and is said on the original post I made.

you have a regular valve stem, the rubber valve stem is mounted to the rim, the sensor is mounted on the valve stem. this has to be done at a tire center and ONLY a tire center who is properly trained to work on tires with tpms. Like costco tire center or discount tires. Like I said before, the sensor can be reused, but not the rubber valve stem.

I showed pics in the original post showing what the valve stem looks like and what the sensor looks like.

If the gov't mandates it, they should pay for it. TPMS is a waste of $$$$
TPMS are not a waste of money. It is important that you drive with proper air pressure. Driving an a tire that are under inflated or over inflated can be dangerous.

I am glad vehicles are required to have them. I don't want to end up in an accident because the idiot next to me is riding on 100 psi and causes it to blow out. Also, I know damn well my mother doesn't check her pressure monthly, so if her tires start to loose are, she knows to come see me so I can properly inflate her tires.

you can't say tpms are a wast of money. They are a safety measurement for you and I and the people driving around us. I know for a fact that only a few properly maintains their air pressure and ONLY because of the TPMS more and more people will be aware of improper inflation in their tires.

Driving on too low or too high pressure will ruin your tires too. So, this will save them money because tires will wear down properly, prevent blowouts AND will save them on gas because driving on low pressure causes you to waste gas.

Gov't shouldn't pay for anything. Gov't mandates millions of things that causes people to spend money. And it is for safety purposes.
 

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I have a guy at work that i BS with about cars all the time he had an 06 Lexus and he changed his Rims to 20s and installed a small tank with the Sensors placed in it inside the trunk. He told me he filled up the tank to 35 PSI and reset his system and he nvr had any issues with the TPMS system coming on.

Yes obviously i know u wont exactly know if u have a flat but if u always pay attention to ur car when u drive it then u should know if something is wrong.
When i do decide to purchase new tires and rims i might consider doing this. But not sure yet.
 

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Sorry but it is a waste. There is no data that shows we are safer because of TPMS. Most people ignore the light when they see it or don't even know what it is. I have several fleet vehicles that get inspected daily (as every driver should regardless of gov't mandated gadgets) and 2 of them have the TPMS light on even though all tires are filled to correct pressure. For 100 years it was not needed. Just because the TPMS light goes on it does not mean people will react to it. As I said earlier most people ignore it, then there is the cost factor. It is the drivers responsibility to maintain his car, not the gov't.

TPMS are not a waste of money. It is important that you drive with proper air pressure. Driving an a tire that are under inflated or over inflated can be dangerous.

I am glad vehicles are required to have them. I don't want to end up in an accident because the idiot next to me is riding on 100 psi and causes it to blow out. Also, I know damn well my mother doesn't check her pressure monthly, so if her tires start to loose are, she knows to come see me so I can properly inflate her tires.

you can't say tpms are a wast of money. They are a safety measurement for you and I and the people driving around us. I know for a fact that only a few properly maintains their air pressure and ONLY because of the TPMS more and more people will be aware of improper inflation in their tires.

Driving on too low or too high pressure will ruin your tires too. So, this will save them money because tires will wear down properly, prevent blowouts AND will save them on gas because driving on low pressure causes you to waste gas.

Gov't shouldn't pay for anything. Gov't mandates millions of things that causes people to spend money. And it is for safety purposes.
 

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The issue with TPMS is the same issue that can be said of any other "safety regulation". If it saves a couple of lives, it's probably worth it.

The major advantage for the TPMS comes into play, not on our cars, but those equipped with run-flats and big SUVs. With the run-flats you can have a slow leak or even an good sized hole and have little to no awareness of the event. Now, you can say, "But I'm always aware of what my car is doing" and I say bullshit. We all get into our zone when crusing on the highway. No one is 100% dialed into their car 100% of the time. It's human nature. The little pop-up lamp on the dash may just save someone's life.
 

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The problem with TPMS is that the system doesn't operate before the wheels are spinning above some RPM for some duration. This is to save battery. Also, they only report at some specific interval. So, if your tires are a little low, but not enough to be visible, yet enough to trigger a TPMS warning, it won't tell you to do anything about it until you've left and driven for a while. This is stupid because it would be easiest to fix it before driving anywhere.

Easy solution would be to have TPMS kick the sensors on for a second when the car starts, check pressure, and then turn them back off until they hit the target RPM.
 
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