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01-14-2021, 12:54 AM
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#21
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Junior Member
Brand: Thor Motor Coach
Model: Majestic
State: Ontario
Posts: 5
THOR #14462
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To remove the covers, you will see 2 opposing nuts that are a little different than the rest of them. These are the 2 that you have to unscrew to remove the cover.
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01-14-2021, 01:36 AM
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#22
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Junior Member
Brand: Thor Motor Coach
State: Georgia
Posts: 3
THOR #16674
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Quote:
Originally Posted by Judge
This is my preference......
Crossfire - Dual Dynamics
The benefits are:
- Keeps each set of tires at an equal pressure (duallies tend to vary in pressure and it can cause uneven tire wear, hot spots, etc.).
- The braided steel lines are much better quality than any of the tire valve extenders on the market.
- You only need to add air to one valve and it fills both tires equally.
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Interesting item...does adding this device throw off wheel balance?
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01-14-2021, 03:40 AM
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#23
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Senior Member
Brand: Thor Motor Coach
Model: Freedom Elite 23H
State: Virginia
Posts: 250
THOR #19277
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Quote:
Originally Posted by Judge
This is my preference......
Crossfire - Dual Dynamics
The benefits are:
- Keeps each set of tires at an equal pressure (duallies tend to vary in pressure and it can cause uneven tire wear, hot spots, etc.).
- You only need to add air to one valve and it fills both tires equally.
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This is a really cool idea.
If I have this system installed, can I forget about TPMS?
Or, on my little Class-C, can I go with only 4 TPMS transmitters instead of 6?
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01-15-2021, 03:21 PM
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#24
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Member
Brand: Thor Motor Coach
Model: 23TB
State: Illinois
Posts: 51
THOR #9509
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Quote:
Originally Posted by Jerrysim
On my 2021 Thor chateau 22b I need to put some tire valve extenders on the duallies in the back. Does anyone know exactly what I need to buy? Thanks also would appreciate learning how to take off the wheel simulator plastic hub cap without breaking it. Any info appreciated.
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I had success at a local truck tire shop. They did the work (removing the shiny hubcap cover and retrofitting the dualies with “capless” valve stems), but even better, they showed me how to do it for myself. You will need a special lug wrench that fits the decorative lug nuts. However, it’s not expensive and can be turned by hand. No air tool is required.
This is good to know, because you may want to remove the shiny hubcap if the wheels get caked with mud. (Been there; done that!).
Just look in the phone book or online for a truck tire store.
Good luck!
This is good for
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01-15-2021, 03:23 PM
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#25
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Member
Brand: Thor Motor Coach
Model: 23TB
State: Illinois
Posts: 51
THOR #9509
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Quote:
Originally Posted by Jerrysim
On my 2021 Thor chateau 22b I need to put some tire valve extenders on the duallies in the back. Does anyone know exactly what I need to buy? Thanks also would appreciate learning how to take off the wheel simulator plastic hub cap without breaking it. Any info appreciated.
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I had success at a local truck tire shop. They did the work (removing the shiny hubcap cover and retrofitting the dualies with “capless” valve stems), but even better, they showed me how to do it for myself. You will need a special lug wrench that fits the decorative lug nuts. However, it’s not expensive and can be turned by hand. No air tool is required.
This is good to know, because you may want to remove the shiny hubcap if the wheels get caked with mud. (Been there; done that!).
Just look in the phone book or online for a truck tire store.
Good luck!
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06-22-2021, 02:27 AM
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#26
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Senior Member
Brand: Thor Motor Coach
Model: Freedom Elite 23H
State: Virginia
Posts: 250
THOR #19277
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Quote:
Originally Posted by Greaser
Interesting item...does adding this device throw off wheel balance?
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Well, yes it could. And, it has become impossible to find a tire shop that can balance a tire while it is mounted on the car.
The closer you mount the crossfire device to the center of the wheel, the less it matters. For that reason, I mounted mine directly over the hub, nearly coaxially to the the center of the wheel.
My problem is that now the wheel covers can't be put back on. I'm thinking about removing the inner portion of the wheel covers to allow the Crossfire to slip through.
If you're having trouble visualizing, I can take some pictures.
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06-22-2021, 11:30 AM
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#27
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Senior Member
Brand: Still Looking
State: Alabama
Posts: 292
THOR #22687
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Some extensions won't work with TPMS (we have Tire Minder).
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06-22-2021, 04:15 PM
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#28
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 24.1
State: Georgia
Posts: 476
THOR #21919
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Quote:
Originally Posted by Judge
This is my preference......
Crossfire - Dual Dynamics
The benefits are:
- Keeps each set of tires at an equal pressure (duallies tend to vary in pressure and it can cause uneven tire wear, hot spots, etc.).
- The braided steel lines are much better quality than any of the tire valve extenders on the market.
- You only need to add air to one valve and it fills both tires equally.
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If I read this right, sounds great on paper until you get a leak. One punctured tire may let the air out of both tires. Not good.
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- 2022 Vegas 24.1
- Former US Marine - 1988-1996
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06-22-2021, 04:30 PM
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#29
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Senior Member
Brand: Thor Motor Coach
Model: Freedom Elite 23H
State: Virginia
Posts: 250
THOR #19277
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Quote:
Originally Posted by sportcoupe
If I read this right, sounds great on paper until you get a leak. One punctured tire may let the air out of both tires. Not good.
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That's a great point and you are astute to have thought of it.
But, the people at Crossfire thought of it first and designed a failsafe to prevent that from happening.
Something else that might not have been mentioned in this thread: when you buy a Crossfire device, you have to specify the pressure in your tires. Mine is 80 psi. If the pressure falls below that threshold, a read flag appears in the window. Nice.
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06-22-2021, 04:33 PM
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#30
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Senior Member
Brand: Thor Motor Coach
Model: 2020 Magnitude SV34
State: Florida
Posts: 4,164
THOR #12751
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At least someone has read through theada about this topic and dine some homework. [emoji106]
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06-23-2021, 12:55 AM
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#31
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Senior Member
Brand: Thor Motor Coach
Model: Freedom Elite 23H
State: Virginia
Posts: 250
THOR #19277
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I'm still trying to figure out how to get my wheel covers to fit over or around this:
I will probably remove the inner ring of the wheel cover so the Crossfire device can poke through.
Has got to be easier that scrubbing and painting my dirty wheels.
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05-12-2022, 04:13 PM
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#32
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Senior Member
Brand: Thor Motor Coach
Model: Vegas 25.6
State: New Mexico
Posts: 5,127
THOR #20220
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Tirerama or tire place s will put on for you. I had 4 come to me
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LAS CRUCES 2020 Thor Vegas 25.6
Lora & George. Golden Retriever & Multi-Gen Australian labradoodle & new ALD in March. Happy Campers!! E Biking, Hiking, Tennis, Scuba,Fishing,Cross Country Skiing, Snowshoeing. Retired H.S. Principal, Sr. IT Engineer, Life & Health Insurance Agent
"Today is a Gift and Why it is called the Present"
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05-12-2022, 04:20 PM
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#33
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Senior Member
Brand: Thor Motor Coach
Model: Palazzo 36.1
State: Tennessee
Posts: 440
THOR #11607
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I drilled a hole in the side of my center cap on my simulator and mounted the crossfire to it.
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Greg, Gina & Ginger the rescue dog
2014 Palazzo 36.1, Cummins ISB 6.7 300hp, Allison 2500
TOAD 2008 Jeep Rubicon 4x4, Blue Ox Avail tow bar, RVibrake 3
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05-12-2022, 06:39 PM
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#34
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Member
Brand: Thor Motor Coach
Model: Windsport 29m
State: Virginia
Posts: 46
THOR #25276
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Quote:
Originally Posted by Jerrysim
On my 2021 Thor chateau 22b I need to put some tire valve extenders on the duallies in the back. Does anyone know exactly what I need to buy? Thanks also would appreciate learning how to take off the wheel simulator plastic hub cap without breaking it. Any info appreciated.
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me too on removing the hub caps! following.
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Bud & Trisha Leary
Suffolk, VA
‘22 Windsport 29m, 4 Sumo Shocks, Safe T Plus Stabilizer. Koni FSDs, Rear Track Bar. (World of Diff !) Godzilla 8 Cyl.
'21 Jeep Wrangler Unlimited, Sky One Touch, 3.6L, 2.5” lift, Demco Brakes, Blue Ox A2.
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05-12-2022, 06:59 PM
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#35
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Site Team
Brand: Entegra
Model: Accolade 37TS
State: South Dakota
Posts: 8,781
THOR #1469
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Quote:
Originally Posted by Rclbud
me too on removing the hub caps! following.
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Find the lug cap with the dimple, remove that cap and then remove the simulator.
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05-12-2022, 08:38 PM
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#36
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 24F
State: Ohio
Posts: 4,186
THOR #16721
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On the Ford E-Series cutaway chassis the fronts are "outies" with a full cover aluminum simulator cover, and the rears are "innies" with full simulator covers. There are no separate center hub covers.
I remove them by gently prying near one of the wheel weights with a very large flat blade screwdriver, the slowly working around. At about the halfway point grab the opposite side you've pried loose... give a good tug and it should pop off.
You shouldn't need to remove the fronts.
I bought a kit of extenders off Amazon. I only air up maybe twice a season... I install an extension, air up then remove it. Not much of a hassle for only twice a year.
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Be creative, and have a fun life...
...and don't be an @**hole! -Ken Block
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05-12-2022, 09:25 PM
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#37
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Senior Member
Brand: Thor Motor Coach
Model: Chateau 28A
State: Arizona
Posts: 265
THOR #25443
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As a relative newbie at this and reading all the horror stories about leaking extenders I decided to buy a set of extenders as a few posts have pictured. Nothing fancy just screw into inner and outer rears to check and refill to specs then remove and toss in the on-the-road toolkit. It seems to me one leaking rear tire is a recipe for a very expensive lesson not to mention a dangerous one at that.
Is it a PIA? Yeah but part of the joys of RV life I think.
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John & Evie
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05-12-2022, 10:02 PM
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#38
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Site Team
Brand: Entegra
Model: Accolade 37TS
State: South Dakota
Posts: 8,781
THOR #1469
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I had extenders on my inners for over 2 years and never lost a pound of pressure. Freightliner threw the extenders and 2 tire minder sensors away when they did my valve stem recall a couple weeks ago.
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05-12-2022, 10:09 PM
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#39
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Senior Member
Brand: Thor Motor Coach
Model: Freedom Traveller A27
State: North Carolina
Posts: 2,447
THOR #17765
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Quote:
Originally Posted by Gemini Cruiser
MOST importantly, find a tire store who has experience installing on duallys. You'd think this is a common installation but it's not. Still haven't found one in Greensboro area who can do it to where they don't leak.
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Have you tried Piedmont Truck Tires?
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05-12-2022, 11:00 PM
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#40
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Senior Member
Brand: Thor Motor Coach
Model: 2018 24.1 AXISSIXxSIX
State: Arizona
Posts: 6,931
THOR #13932
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I have DOUBLE extenders. Inside rear is a swivel type with a straight attached and topped off with a pass though tpms.
Outside rear is two straights and pass through tpms.
Front is just pass through tpms.
Never a hint of a problem.
My e450 covers are stainless steel as equipped by Thor. You won't be cutting the centers out.
The center of my front caps are cut out so my 4x4 locking hubs can stick through for access, but the hole requires a specialty saw or a plasma cutter.
My avatar shows this.
Just some:
Been there,
Needed to figure it all out, (and did)
Type of results.
Tpms is not shown in the picture.
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