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post #1 of 9 Old June 8th, 2010, 10:45 AM Thread Starter
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TPMS bands or stems

I purchased one of the last 09 Mustang GTs and recently bought a set of AR/Shelby Razor 20x9 and will be swapping them on before I retire my factory 18" polished 5-spokes.

A friend at Ford ran my VIN and suspects mid-year 2009 Ford switched from the TPMS sensor and bands to a valve-stem TPMS sensor that is being used in 2010+.

Has anyone encountered this? Regardless of bands or the valve type, any experience in knowing if they are compatible?

I've also heard conflicts on if a "programmer" is needed or if the sensors automatically sync after driving with them.

I just want to get the right parts and would prefer a valve stem mounted sensor then dealing with bands. I don't want to have to dismount/rebalance my existing wheels or the new wheels with the new tires.
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post #2 of 9 Old June 8th, 2010, 11:02 AM
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I've seen several late model year 09's and they had bands still. I heard similar but have not seen it with my own eye.

That said, the programmer is a necessity a majority of the time. I have gotten away with the system picking up the sensor on occasion, but most of the time have to use the programmer.

So essentially it's a hit or miss thing. All I can say is try it and then go spend the money if you net failure..
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post #3 of 9 Old June 8th, 2010, 11:05 AM Thread Starter
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As far as a programmer, it appears Ford has a couple of part numbers for the fob style ones that run around $35-$65. Do all the p/n work with the cars or I need to watch out? Dealer said since it's electrical, it's non-returnable.

In the shops, they use a much larger and expensive system or wand by Rotunda as I recall.
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post #4 of 9 Old June 8th, 2010, 12:34 PM
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I bought a set of factory rims that the previous owner left the TPMS on. When I mounted them they tripped the monitor light and I had Tire Discounter program them for $20. It'll cost you more if they have to break down your old tires to get the sensors. It might be cheaper to buy a set off Ebay. The band type are much cheaper than the stem type. I rode around for a few months with the light on, just hit the reset button and it goes off, but I like not having to do that. It was worth $20 to get rid of it.

There are many like it but this one is mine!!!.........Full Metal Jacket 1987
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post #5 of 9 Old June 8th, 2010, 12:49 PM
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Programmer par number is 8C2Z-1A203-A

I've seen them as low as 15-16 bucks and as high as 45.00

Here's the file share I have for the TPMS system itself in the event you need it..

Orbitfiles - Download "TPMS.pdf" - Free Online storage, Free Online File Backup, Free Online File Sharing
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post #6 of 9 Old June 8th, 2010, 02:04 PM
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Just look at your valve stem... Probably a band though. And no, they aren't compatible.




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post #7 of 9 Old June 9th, 2010, 12:29 AM Thread Starter
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Quote:
Originally Posted by Jucostud View Post
Just look at your valve stem... Probably a band though. And no, they aren't compatible.
Do you think from the valve stem visible with the tire mounted you can determine if they are the sensor type or not? The problem I have is knowing what my factory type is (ie. band or stem type sensor).

From what it sounds, the two different types aren't compatible. I'm hoping to clarify if there is a way to confirm my system without dismounting a tire from it's wheel.

I'm not confident Ford is telling me the right info based on my VIN alone, since I find no confirmed source of a valve sensor on any 09 Stangs.
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post #8 of 9 Old June 9th, 2010, 02:02 AM
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You can tell by looking at the valve stem. It's tricky though.
This is what a valve sensor looks like on a newer mustang


this is what a regular valve looks like.


if u have the second one you have band sensors. Study the pic and it will be easy to tell the differance. A sensor valve will be really stiff vs a regular valve which will move pretty easy. Hope this helps.




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post #9 of 9 Old June 9th, 2010, 07:13 AM Thread Starter
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Quote:
Originally Posted by Jucostud View Post
You can tell by looking at the valve stem. It's tricky though.
Great pics. Not sure from the external views if I can determine which is which, but will give it a shot. The stiffness of the valve might be my best shot.

Thanks again for all the info... Much appreciated.
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