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Old 04-23-2016, 02:41 PM   #1
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2012 25' FB Flying Cloud
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Tire minder valve stem help.

Hello chaps,
I am going to get a tire minder for four tires. My Airstream has rubber stems so I need to change them out, each minder model seems to operate on different stems. Should I get the steel or the aluminum set, obviously I will need to change the valve stems after the purchase of the unit. Anyone got some experience with this predicament I am in ?
Any help and advice much appreciated.
Cheers,
James.
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Old 04-23-2016, 02:51 PM   #2
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I don't know of any differences in valve stems as far as the cap tread. Just change out your rubber stems for Metal ones. When you go to the tire shop try and take one of the sensors with you and have them make sure the new stems will allow for the sensor to have clearance to the wheel and access to the sensor is concerned.
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Old 04-23-2016, 02:56 PM   #3
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Mine are either stainless or aluminum (a magnet does not stick to them). They work as advertised. Took the tire shop less than 30 minutes to install including rebalance with sensors installed, very important in my opinion and cost was $30 including the stems.
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Old 04-27-2016, 10:41 AM   #4
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Most bolt in valve stems are brass (non-magnetic) and may have brass or stainless cores. Many stems are simply chrome or nickle plated to make them look good.

Many OE TPM sensors do have aluminum stems and stainless cores

I do not recall seeing any stainless stems.

The internal and external threads on every valve I have seen for car/RV/pickup-up use are standardized so cores will fit and caps will fit.

I have a number of posts on valves on my RV tire blog
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Old 04-27-2016, 05:16 PM   #5
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Dill VS902W valve stems would most likely work. Put them on mine.


Greg
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Old 04-27-2016, 05:33 PM   #6
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Check with Tire Minder as I thought they have minders for either rubber or metal stems.
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Old 04-27-2016, 05:47 PM   #7
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tgey have two types of sensors--one works in all metals except aluminum and also in rubber, the other is fur aluminum. We have the same ones on the AS with metal valves that we have on the Soribter with rubber valves, some if which have metal valve extenders.
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Old 06-15-2017, 08:13 AM   #8
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Would anyone happen to know if the factory stock stems in the stock 15" aluminum wheels for the 2017 Internationals are either aluminum or stainless? I simply can't tell the difference. I am trying to figure out which tire minder I need.
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Old 07-27-2017, 11:29 AM   #9
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Quote:
Originally Posted by OriginalMrT View Post
Would anyone happen to know if the factory stock stems in the stock 15" aluminum wheels for the 2017 Internationals are either aluminum or stainless? I simply can't tell the difference. I am trying to figure out which tire minder I need.
I'd like to know this too, for a 2016 FC. I want to know if I need to have my stems changed. I ordered the TM TPMS model 55-c-t.
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Old 07-27-2017, 02:08 PM   #10
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Try a magnet to answer the question.
As for replacing them I would assume either would support the sensors as long as the rubber seal at the wheel is not real soft and allows deflection.
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Old 07-28-2017, 12:29 AM   #11
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Try a magnet to answer the question.
As for replacing them I would assume either would support the sensors as long as the rubber seal at the wheel is not real soft and allows deflection.
I am aware of the magnet trick, but, I was hoping someone would actually be able to list what Airstream uses as standard components. Thanks anyway.
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Old 07-28-2017, 04:26 PM   #12
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Only Aluminum valve stems in general usage (not racing) are on cars with OE internal TPMS. The Aluminum is not shiny but a matt finish while the chrome or nickle plated brass bolt in stems are usually shiny.

To my knowledge all standard bolt in metal valves are brass with either nickle or chrome plating.

Neither Brass or Aluminum are magnetic and only some alloy types of Stainless is magnetic but I have never seen stainless valve stems.

Rubber stems have brass (dull gold color) threads.

The threads on the end of valve stems is a standard thread as is the internal thread for the valve core.

NOTE Aluminum TPMS valves MUST use the OE Stainless valve core and NEVER old style brass valve core as Aluminum and brass can react and corrode, this is why aftermarket TPM sensors that are to be used on OE TPM aluminum valve stems need to be special
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