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Old 11-01-2015, 01:30 PM   #31
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Just received my extensions and ready to put them on. Question, how do you get the wheel simulator cover off with out damaging them? Tried a large screwdriver, but it looked like it would start bending the edges before coming off, so I quit.
I use the pry bar from Harbor freight. Also use a dead blow plastic hammer to replace the simulators
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Old 11-01-2015, 01:33 PM   #32
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Have you ever heard of cats eyes tire pressure monitoring system? Easy to check tire pressure, and only one fill valve to add air at. They work great and ends the argument one generally has with the inside tire valve.
cat eye is OK but you still don't get constant monitoring as with TPMS.
Also as a tire engineer I never understod the desirability of constant match of tire pressure or even the desirability of bleeding down one good tire when a 2nd got a puncture.
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Old 11-01-2015, 02:08 PM   #33
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at first I couldn't see how they were tied down, now I see, thanks

so with the type of sensors you have to take them off when you add air, and in your opinion are they the best ones,


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I use extenders by Wheel Master 8208 as that way I don't have to mess with lug nut torque if/when I get involved with TPMS issues.

What ever you use be sure the outer end if firmly tired down.


I use pop rivets with the small angle brackets provided in the kit.
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Old 11-01-2015, 10:19 PM   #34
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at first I couldn't see how they were tied down, now I see, thanks

so with the type of sensors you have to take them off when you add air, and in your opinion are they the best ones,

I did a blog post on things to consider when selecting a TPMS. Just as there is no single Pizza that will be "Best" fro everyone. There is no single "Best" TPMS.
I bought mine 5 yearws ago and have been happy as they work for me and provide the multiple warnings I think are desirable.

Yes I do need to remove them when I add air but that is usually once in Spring when I "De-winterize" and maybe once during the season but I am always playing around with my tires & valves and occasionally running evaluation tests. I would think most people would only need to un-screw them once a season.
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Old 11-02-2015, 12:43 AM   #35
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Tireman, I see you're in Akron. I grew up there. I even spent a summer in the 70's working in a tire warehouse taking tires off of train cars and stacking them in the warehouse only to spend the other half of the summer "ricking" them back into train cars to send them back out. It was pre-strike precautions for Firestone.

My Grandmother retired from Goodrich (aerospace) and my Mom from the office at Firestone.

I still remember when Akron smelled of an odd combination of rubber and popcorn (Quaker).
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Old 11-02-2015, 08:11 AM   #36
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thanks a lot

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I did a blog post on things to consider when selecting a TPMS. Just as there is no single Pizza that will be "Best" fro everyone. There is no single "Best" TPMS.
I bought mine 5 yearws ago and have been happy as they work for me and provide the multiple warnings I think are desirable.

Yes I do need to remove them when I add air but that is usually once in Spring when I "De-winterize" and maybe once during the season but I am always playing around with my tires & valves and occasionally running evaluation tests. I would think most people would only need to un-screw them once a season.
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Old 11-06-2015, 03:39 PM   #37
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can I ask a stupid question,,,,
how did you tighten up the extender that goes on the the inside wheel,
did you take off the wheel to tighten it, otherwise I can't get anything in there, unless someone has a better way than I do,,,,
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Old 11-06-2015, 04:16 PM   #38
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can I ask a stupid question,,,,
how did you tighten up the extender that goes on the the inside wheel,
did you take off the wheel to tighten it, otherwise I can't get anything in there, unless someone has a better way than I do,,,,
Very reasonable question.
If you look at the posts on my blog with key word "valve" you will see close-up shots of valves and valve cores. You will note the very small gaskets, seals and O-rings that hold the air in.
The extender hoses have o-rings in the end that screws onto the end of the valve stem and just as you don't need or use a wrench or pair of pliers to tighten the valve cap on any of your regular tires you don't need tools to tighten the hose extender.
The hose is stiff enough that just turning ti 1/4 to 1/2 turn past the point when air stops leaking out when you screw the hose on that should be enough to seal against the little gasket in the hose end.

I do believe that some folks over tighten hoses and valve cores and distort the gasket seal. This can even result in the seal splitting with a slow leak occurring. This slow leak could even lead to a "run low flex failure" or "Blowout" due to the tire having lost a significant portion of its air starting right after a pressure check was done.

In fact an argument can be made that one of the major advantages of a TPMS is that it eliminates or at least greatly reduces the chance of air loss due to sticking valve cores or damaged seals that occur when the pressure is checked and if a leak does result you will get a warning from the TPMS when a few psi has leaked out rather than a warning from a passing motorists that a failed tire is shredding the side of your RV.
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Old 11-06-2015, 04:23 PM   #39
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thanks, the angle ones have a nut on the end, and when I put the ones on the inside they went on till the air stopped and then kept turning, so I wondered if they needed to be tightened further, thanks for the answer, very much appreciated
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Old 11-07-2015, 08:57 PM   #40
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Next dumb question! We were surprised on our new 2401R to find that the extension tubes for both inside rear tires seem to have "nothing" inside the tubes. When putting a pressure gauge on the tubes, no reading can be taken and there is no apparent way to add air. What's this about? Shouldn't the extender tube extend the ability to check and add air?
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