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Author Topic: 90-degree valve stems?  (Read 5520 times)

Offline copdocpvd

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90-degree valve stems?
« on: October 27, 2014, 03:25:13 PM »
Is it possible to replace the valve stems on a 2013 with 90-degree valve stems?  Makes it 100x easier to check pressure and add air, just didn't know how that works with the TPMS
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Offline Rhino

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Re: 90-degree valve stems?
« Reply #1 on: October 27, 2014, 04:21:07 PM »
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Offline gPink

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Re: 90-degree valve stems?
« Reply #2 on: October 27, 2014, 04:42:14 PM »
The 90's won't work on the newest sensors will they?
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Offline Rhino

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Re: 90-degree valve stems?
« Reply #3 on: October 27, 2014, 04:45:53 PM »
Quote from: gPink on October 27, 2014, 04:42:14 PM
The 90's won't work on the newest sensors will they?

Really? Hadn't heard. What's different?
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Offline DGOLD

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Re: 90-degree valve stems?
« Reply #4 on: October 27, 2014, 05:11:37 PM »
I HEARD THEY ARE SEALED WITH THE VALVE STEM AS ONE UNIT
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Offline VirginiaJim

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Re: 90-degree valve stems?
« Reply #5 on: October 27, 2014, 05:18:32 PM »
They only work with the older sensors.  Don't know when Kwakers made the switchover to the new ones.  We might have a picture somewhere of the newer sensors.  If not, someone will post that hopefully so one will know what they have.
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Offline RBX QB

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Re: 90-degree valve stems?
« Reply #6 on: October 27, 2014, 06:06:02 PM »
They worked on my '11 without issue... Did mother Kwak change them in the last couple years (I can't keep up)?
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Offline gPink

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Re: 90-degree valve stems?
« Reply #7 on: October 27, 2014, 06:18:39 PM »
Here's a pic of both, blatantly ripped off the other forum, posted by Rick ...  http://forum.cog-online.org/index.php/topic,47459.75.html

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Offline VirginiaJim

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Re: 90-degree valve stems?
« Reply #8 on: October 28, 2014, 04:03:45 AM »
Thanks, Gary.
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Offline Rhino

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Re: 90-degree valve stems?
« Reply #9 on: October 28, 2014, 08:26:44 AM »
Since they changed the unit, I hope they made it easier to change the battery.
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Offline B.D.F.

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Re: 90-degree valve stems?
« Reply #10 on: October 28, 2014, 08:48:55 AM »
Actually, it will be much more difficult.... and it will take a sacrificial unit or two to learn how to do it. And even after that there will be some that are ruined by mistake and bad luck when trying to fit a new battery.

The new sensors are potted, meaning they are filled with liquid epoxy at the end of manufacture. That means that in order to change the battery we will need to know 1) where (exactly!) the battery is inside the unit. 2) which way the battery leads come to the battery. Then to change it, someone will have to dig out the epoxy, remove the battery without destroying the battery leads, then solder new wires to the very short ends of the wires poking out (Easy Boys!) of the epoxy block. Difficult to say the least and a high failure rate when doing this....

Brian

Quote from: Rhino on October 28, 2014, 08:26:44 AM
Since they changed the unit, I hope they made it easier to change the battery.
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Offline VirginiaJim

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Re: 90-degree valve stems?
« Reply #11 on: October 28, 2014, 10:15:29 AM »
I like potted...
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sailor_chic

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Re: 90-degree valve stems?
« Reply #12 on: October 28, 2014, 11:31:36 AM »
Quote from: B.D.F. on October 28, 2014, 08:48:55 AM
Actually, it will be much more difficult.... and it will take a sacrificial unit or two to learn how to do it. And even after that there will be some that are ruined by mistake and bad luck when trying to fit a new battery.

The new sensors are potted, meaning they are filled with liquid epoxy at the end of manufacture. That means that in order to change the battery we will need to know 1) where (exactly!) the battery is inside the unit. 2) which way the battery leads come to the battery. Then to change it, someone will have to dig out the epoxy, remove the battery without destroying the battery leads, then solder new wires to the very short ends of the wires poking out (Easy Boys!) of the epoxy block. Difficult to say the least and a high failure rate when doing this....

Brian


So will Murph's angle stems work on these new sensors?


Quote from: VirginiaJim on October 28, 2014, 10:15:29 AM
I like potted...

Not that kind of pot silly!
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Offline B.D.F.

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Re: 90-degree valve stems?
« Reply #13 on: October 28, 2014, 11:38:46 AM »
No, the new sensor stems are a different diameter than the originals so the 90 degree adapters that fit the original sensors will NOT work on the new ones.

The original sensors were from a French company while the new ones are Schrader (sp?) brand, a US company (meaning of course that both the old and new sensors are / were made in China). So the whole sensor is very different. I think, or hope, that these new sensors are a significant improvement in reliability and may well eliminate the annoying 'low battery voltage' warning when the sensors are cool.

Brian

Quote from: sailor_chic on October 28, 2014, 11:31:36 AM
So will Murph's angle stems work on these new sensors?


Not that kind of pot silly!
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Offline VirginiaJim

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Re: 90-degree valve stems?
« Reply #14 on: October 28, 2014, 12:54:52 PM »
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Offline 2talltim

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Re: 90-degree valve stems?
« Reply #15 on: October 28, 2014, 04:18:43 PM »
Guess ill have to live with the strait ones then, i have a new sensor in my rear wheel. And when i ordered it i had to order a new nut to go with it.
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