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05-17-2025, 01:32 PM
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#1
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Senior Member
Join Date: Dec 2018
Location: Nacogdoches, TX
Posts: 1,924
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Dually Valve Stems
My 2023 RAM 3500 dually has metal valve stems on all wheels except the real inside dually, and it has a flexible rubber valve stem; that is difficult to get to in order to add air.
My inner and outer dually wheels are matched so that both valve stems share the same hole in the wheel. I asked my local tire shop and the selling dealer about getting long metal valve stems for the inner wheel and neither one really recommended it.
Is anyone using a long metal valve stem or extension so that you can use it easily? If so, what are you using?
Thanks,
__________________
Wade & Debby Griffin
2024 Brinkley Z3100 5th Wheel, 20K Goosebox hitch
2023 RAM 3500 Diesel Dually
2018 Tiffin Allegro Open Road 32SA
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05-17-2025, 01:42 PM
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#2
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Senior Member
Join Date: May 2016
Posts: 643
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Don't use extensions, get Borg steel stems from https://yourtireshopsupply.com/. If you're not sure which set, call them and they'll set you up.
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Patrick - Atlanta GA
2023 Renegade Vienna & 2017 Jeep Cherokee Overland
2000 Itasca Horizon 1973 GMC CanyonLands
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05-17-2025, 02:04 PM
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#3
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Senior Member
Join Date: Oct 2013
Posts: 2,136
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Two years ago, I put Crossfire Dual Tire Equalizers on my motorhome. They work great.
http://www.dualdynamics.com/products/cross-fire/
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2001 Alpine Coach 38/8
ACA 2018006
Andy
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05-17-2025, 02:24 PM
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#4
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Community Moderator
Join Date: Dec 2021
Posts: 8,339
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Replace the flexible rubber valve stem with a metal valve stem for better support and mitigate the risk of rubber valve stem failure. I installed 2" metal stem extensions on the factory-installed metal valve stems and found I could easily inflate the inner tire with my Viair long air compressor chuck.
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2025 Riverstone 39RKFB Legacy / 2024 Ford F-350 XLT DRW 4x4 6.7L diesel crew cab long bed
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05-18-2025, 07:38 AM
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#5
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Senior Member
Join Date: Aug 2009
Posts: 445
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My 2021 GMC Denali dually came with metal valve stems. I brought new tires and the idiot that changed the tires didn’t match up the holes so I could put air in the inside tires. I use a 5 inch pressure gauge to put in air
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05-18-2025, 09:43 AM
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#6
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Senior Member
Join Date: Jul 2015
Location: Manning, South Carolina
Posts: 2,146
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Quote:
Originally Posted by andy29847
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I considered these but I need my tire pressure sensors. Chuck
__________________
1999 Fleetwood Bounder 34J
Triton V10 Gas
2010 Chevy HHR Panel
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05-18-2025, 07:00 PM
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#7
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Senior Member
Join Date: Oct 2013
Posts: 2,136
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Quote:
Originally Posted by chuckbear
I considered these but I need my tire pressure sensors. Chuck
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My tire pressure sensors go on the valve on the crossfire. Big difference is I only need 2 (instead of 4).
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2001 Alpine Coach 38/8
ACA 2018006
Andy
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05-19-2025, 05:42 AM
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#8
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Senior Member
Join Date: Jul 2015
Location: Manning, South Carolina
Posts: 2,146
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I was under the impression that the Crossfire would shut down if there was a leek. How would this work with a tpms work with that? Chuck
__________________
1999 Fleetwood Bounder 34J
Triton V10 Gas
2010 Chevy HHR Panel
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05-19-2025, 09:11 AM
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#9
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Senior Member
Join Date: Mar 2025
Posts: 143
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Quote:
Originally Posted by High Road Travelers
My 2023 RAM 3500 dually has metal valve stems on all wheels except the real inside dually, and it has a flexible rubber valve stem; that is difficult to get to in order to add air.
My inner and outer dually wheels are matched so that both valve stems share the same hole in the wheel. I asked my local tire shop and the selling dealer about getting long metal valve stems for the inner wheel and neither one really recommended it.
Is anyone using a long metal valve stem or extension so that you can use it easily? If so, what are you using?
Thanks,
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Back to the OP's situtation...
Most people don't know that valve stems and wheels have pressure ratings just like tires do. I'd think on your truck there should be metal valve stems on all wheels.
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05-19-2025, 09:47 AM
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#10
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Senior Member
Join Date: Oct 2013
Posts: 2,136
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Quote:
Originally Posted by chuckbear
I was under the impression that the Crossfire would shut down if there was a leek. How would this work with a tpms work with that? Chuck
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There is a check valve between the two tires for the purpose of preventing one blow out from causing the good tire to go flat. The check valve does not normally affect air movement between tires. There is a valve on the crossfire monitor that can be used to add air to both tires. The tire pressure monitor fits on that valve, and works just the same as it would on a single tire.
Besides making it easier to air up dually, the Crossfire monitor also allows you to see at a glance if the rear tires are low on air.
__________________
2001 Alpine Coach 38/8
ACA 2018006
Andy
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05-20-2025, 05:09 AM
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#11
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Senior Member
Join Date: Dec 2019
Location: NC
Posts: 1,789
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When we towed heavy I never trusted the dually extenders.
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2010 Chevy G3500 6.0 Vortec
2015 Puma 30RKSS
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05-20-2025, 09:21 AM
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#12
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Senior Member
Join Date: Apr 2003
Location: Kelowna, B.C. Canada
Posts: 4,001
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I don't like extenders and have had issues with them in the past. I've swapped to rubber stems on my alloy wheels (front and outer rears) to eliminate corrosion due to the dissimilar metals.
For my inner rears, I've removed my hubcaps permanently and use a double sided chuck.
2 cents,
Dave
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2022 Outdoors RV 25RDS, 2022 F350 dually, 6.7PSD, 10 spd, 3.55's
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05-20-2025, 09:37 PM
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#13
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Senior Member
Join Date: Dec 2018
Location: Nacogdoches, TX
Posts: 1,924
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From the OP
Thanks everyone. I think I will just continue using my long double sided air chuck for now. I'll think about getting new metal valve stems the next time I have my wheels off for anything. It would be a good bit easier if I could reach all the valve stems easily.
Thanks,
__________________
Wade & Debby Griffin
2024 Brinkley Z3100 5th Wheel, 20K Goosebox hitch
2023 RAM 3500 Diesel Dually
2018 Tiffin Allegro Open Road 32SA
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05-21-2025, 08:36 PM
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#14
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Senior Member
Join Date: Sep 2018
Location: Cleveland. OH
Posts: 1,438
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I've been using this set-up for 3+ years with no issues or leaks. With the TPMS mounted on the hub, it makes inflating a breeze. Metal valve stems for sure.
Yellow arrow is the outer stem and the Blue arrow is the inner stem.
Wheelmasters p/n: 2001
https://www.wheelmasters.com/inflators.html
Tim
__________________
2015 Silverado 3500HD CC DRW Duramax
2006 Hitchhiker Champagne
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