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Old 02-18-2015, 11:31 PM   #1
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How to add air to outer dual wheel of a coachmen concord

I have a coachman concord 225le 2013 on a chev 4500 the outer wheel on the dually has valve stem facing inward and with the wheel cover no room to remove valve cap and add or check air pressure. I have been taking wheel cover off each time which is not sonething fro do. Any help would be greatly appreciated as i am frustrated. The inner tire has a valve extender.
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Old 02-19-2015, 09:10 AM   #2
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Many solutions.
Self capping valve extensions (short ones are or were OEM on ford HD pickups)
Braided hoses that mount in wheel holes or on the center hub.
120* extension. I use this and have a TPMS sensor on it.

The downside is every time you add a connection you multiply your chances for a leak.
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Old 02-19-2015, 09:47 AM   #3
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I have a GMC dually and have the same problem but with the inside duals. I just remove the wheel insert and go from there. It's a royal pain in the keister. The holes are just big enough to get my hand in to take off the valve caps. I tried the extensions until I had a flat tire because the extension caused the rubber part of the valve to crack. I then had metal valves put into every tire. I just bite the bullet & my tongue when I have to add or subtract air.
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Old 02-19-2015, 03:59 PM   #4
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If you have rubber valve stems you should not be using the long and/or elbow extensions or the larger tpms external sensors. For rubber valve stems I suggest the double seal fill thru valve caps (3/4" extension). They are:
Haltec DS-1 or Alligator V2B with the latter being more expensive ($2.) and better quality.
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Old 02-20-2015, 01:45 PM   #5
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Did you try this:


It's what I use on anything with dual wheels. I use valve caps that have there own valve so to check pressure you don't have to remove them.
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Old 02-20-2015, 06:21 PM   #6
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Quote:
Originally Posted by 05CrewDually View Post
Did you try this:
It's what I use on anything with dual wheels. I use valve caps that have there own valve so to check pressure you don't have to remove them.
Your valve cap is the dual seal alligator v2b. Ever have any problem with them?
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Old 02-20-2015, 06:42 PM   #7
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I had the same issues with my MH on the C4500. I installed 135 deg. valve extensions .. problem solved.
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Old 02-20-2015, 07:14 PM   #8
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Quote:
Originally Posted by Duckogram View Post
Your valve cap is the dual seal alligator v2b. Ever have any problem with them?
None. Except the time 2 disappeared.
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