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Old 05-06-2013, 07:49 PM   #1
Master of Disaster
SteveLevin's Avatar

Join Date: Feb 2010
Location: Sunnyvale, CA
Posts: 1,195
Crossfire fill troubles?

Our DP came with Crossfire's and I have left them on. The first year, no issues, I'd top them off here and there, and it was nice knowing it would help identify an issue with the inside dual. I think the most I ever had to adjust pressure -- and this was after a 4,000 mile trip -- was 3psi. So it's not like they've leaked or anything.

The other day I went to move the coach for the first time in three months (unusual for us, but we were living in it while searching for homes in Cheyenne) and both rears were down significantly (82 pounds compared to 105 when we got here).

Now, I know a little bit of that is due to the big temperature change (a touch more than 50 degrees difference from when they were filled to what it was the other morning), but that seemed like a VERY big difference in pressure (compared to about 3psi on my fronts)

More annoyingly, I couldn't seem to get any air to flow into them at first. I tried a couple of different truck stops -- at first blaming the truck stops themselves), but then suddenly one side started taking air, the little window showed the yellow "target" pressure, and everything was fine. But then the other side, I spent 15 minutes futzing around... still no luck. I even got a friendly trucker to try and he had no better luck.

So I limped it over to the RV shop that's replacing the windshield, but I haven't mentioned anything to them at this point.

During this past month Wyoming's had some near-historically cold weather -- a number of days in the single digits, etc. My question is, has anyone else experienced this kind of an issue with the Crossfire where in extreme cold it has lost pressure, and then is truculent when it comes to adding air? My searching hasn't yielded any results, so I'm thinking this isn't a known issue?


The Green Machine -- 2000 Mountain High Coachworks Summit (Spartan chassis / Cummins ISC)
...and F-Troop: Fearghus, Fiona, and Frankie (Cairn Terriers)
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Old 05-08-2013, 07:39 PM   #2
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Join Date: Oct 2011
Posts: 914
I have never had this problem with mine. I called Dual Dynamics when I had questions about my Crossfire's.
2004 Endura 6340D
2012 Chevy Captiva toad
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