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Topic: An extension to fill the duallies (Read 234 times) previous topic - next topic
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An extension to fill the duallies
I'd have solid valve extensions installed but I've read they are incompatible with the built in TPMS system on our 2021.

I'm looking for a way to add air without needing to remove the wheel covers.
I bought this extension but it still interferes with the cover.

Are there any that are angled better that would work?

2021 Mid Bath
Re: An extension to fill the duallies
Reply #1 –

Hi Ted. You might be able to get one piece solid (short) extensions on the standard valve stems that would make it easier to air-up with that dual air chuck you showed. Amazon.com: 6-Pack Valve Stem Extenders, 6" Straight Metal Dual Wheel Valve... 
   I use flexible extensions on the duals (no bad experiences in 30+ years except for tire change personnel), but need to get shorter extensions on the front tires to fit my flow through sensors from TST TPMS.   RonB

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB
Re: An extension to fill the duallies
Reply #2 –
Quote from: tedeboy  - 
I'd have solid valve extensions installed but I've read they are incompatible with the built in TPMS system on our 2021.

I'm looking for a way to add air without needing to remove the wheel covers.
I bought this extension but it still interferes with the cover.

Are there any that are angled better that would work?



please post your findings and what you purchased and how it turns out ... thx
Re: An extension to fill the duallies
Reply #3 –
Traditionally, when running aftermarket TPMS sensors, steel valve stems are recommended.
Today's cars and light trucks have a Factory TPMS sensor mounted inside the tire, held in place by the rubber valve stem.

I have not found a way to run steel stems on our 2020 Jeep toad without abandoning the Factory TPMS.
There are not any aftermarket tire pressure monitors that can utilize the toad's Factory TPMS. 
The Jeep's instrument panel shows each tire's pressure, so the information is available. The newer E450s have the same type of system.
Some clever company may find a way to interpret the TPMS sensor's RF information and build a monitor that uses the toad's Factory TPMS sensors, instead of adding another set. Having a monitor that shows both the toad's and RV's tire pressures on one screen would be great
I'm waiting.

Larry
Larry
2003 23.5' Front Lounge, since new.  Previously 1983 22' Front Lounge.
Tow vehicles  2020 Jeep Wrangler Rubicon, 2001 Jeep Cherokee
Photo Collection: Lazy Daze
Re: An extension to fill the duallies
Reply #4 –
I had the Ford valve stems removed and installed the Borg extended stems. The TST no flow through sensors were placed on all ten wheels. Not having the Ford sensors causes no problems with the Ford computer. The only thing I have to do is push the “OK” button to clear the warning in the display each time the engine is started. I now can monitor everything on one display and have the connivence of easily adding air when necessary. 
2010 RB "Monty"  & currently: 2021 RB "Villa Verde"
2004 Born Free 26'
1998 Beaver Patriot 33'
1992 Barth Breakaway 28'
1982 Fleetwood Jamboree 23'
1982 Dolphin/Toyota 22'
Re: An extension to fill the duallies
Reply #5 –
Quote from: Mike Coachman  - 
I had the Ford valve stems removed and installed the Borg extended stems. The TST no flow through sensors were placed on all ten wheels. Not having the Ford sensors causes no problems with the Ford computer. The only thing I have to do is push the “OK” button to clear the warning in the display each time the engine is started. I now can monitor everything on one display and have the connivance of easily adding air when necessary. 

Wonder if any tire shops drill the rims to retain the stock Ford TPMS sensors while installing the extended stems in either the new or original hole?
It wouldn't be rocket science.

Larry
Larry
2003 23.5' Front Lounge, since new.  Previously 1983 22' Front Lounge.
Tow vehicles  2020 Jeep Wrangler Rubicon, 2001 Jeep Cherokee
Photo Collection: Lazy Daze
Re: An extension to fill the duallies
Reply #6 –

Hi Larry; your idea of two holes in a wheel rim is great. One for the factory TPMS with an air fill. And the other for a non fill through port for a separate system.   Can't wait to see how many tire 'technicians' have a fit over that!
    However you can just extend the solid stem with another extension to make it easier to fill the air, and still retain the OEM Ford sensors.  This E-Trailer youtube video shows that. https://www.youtube.com/watch?v=NajCyYlwxHI       Plus you can add the V2B 'Alligator' fill extension to that, so you don't have to remove caps. Amazon.com: Alligator V2B Inflate Through Valve Stem Cap Gator Auto RV Semi...
  RonB

As an Amazon Associate Lazy Daze Owners' Group earns from qualifying purchases.
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB
Re: An extension to fill the duallies
Reply #7 –
Quote from: RonB  - 
Hi Larry; your idea of two holes in a wheel rim is great. One for the factory TPMS with an
    However you can just extend the solid stem with another extension to make it easier to fill the air, and still retain the OEM Ford sensors.  This E-Trailer youtube video shows that. https://www.youtube.com/watch?v=NajCyYlwxHI     

Watching the video, they say not to use extenders with rubber valve stems. Every Factory equipped TPMS I have seen uses rubber valve stems.
The search for a solution goes on.

Larry
Larry
2003 23.5' Front Lounge, since new.  Previously 1983 22' Front Lounge.
Tow vehicles  2020 Jeep Wrangler Rubicon, 2001 Jeep Cherokee
Photo Collection: Lazy Daze
Re: An extension to fill the duallies
Reply #8 –
Quote from: Larry W  - 
Watching the video, they say not to use extenders with rubber valve stems. Every Factory equipped TPMS I have seen uses rubber valve stems.

Maybe I am stating the obvious here but then again, maybe not. In my opinion the reason external TPS monitoring systems don't want you to use rubber stems or flexible long stems is because the weight of the sensor/transmitter on the end of a stem will stress those stems, particularly at speed.  But the factory systems have the sensor inside of the wheel where they would not stress the rubber stems.

I can't imagine any tire place drilling another hole in a wheel to add a 2nd stem.

Steve K
Steve K

2003 Mid-bath
 
Re: An extension to fill the duallies
Reply #9 –
Hi Larry;  Yes the etrailer video said no rubber valve stems. As you know, Ford supplied rubber based valve stems even with the extension being brass for a long time.  I replaced my stems early on with 'insert from inside the tire' metal stems. (Nickel plated brass)
    TPMS stems as part of the transmitters I've seen, are metal. Maybe aluminum, but certainly not rubber.  2007-2012 Lexus LS460 TPMS Sensor - AC Delco TPMS172K - - PartsGeek.com   
   The Ford stems themselves look to be plastic surrounds, with a gasket as it passes through the wheel hole, on a brass shaft.  So I'll call the brass shaft an antenna, to transmit better out into the world.  Genuine (4) MOTORCRAFT TPMS-12 TIRE PRESSURE MONITORING SENSORS | eBay
    A short metal extension could attach to the Ford valve safely for filling.  An add on TPMS monitor could be just for the towed.   RonB
RonB (Bostick) living in San Diego
Original owner of "Bluebelle" a '99 TKB