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Ketchman's avatar
Ketchman
Explorer
Aug 19, 2014

Duel Wheels

I have a Coachman Prism 2013 on a Mercedes Sprinter 3500 chassis. This summer I logged 18 K miles on a trip to Alaska and back. I can say I am basically very pleased with the performance of my RV, but as we were going to be going over a great deal of tundra gravel roads, I wanted a way to be able to manage and review tire pressure. All the research I had done said that one major cause of accidents with RV's was tire failure due to low pressures. The problem is that the Coachman and all the other's who build on this chassis have great looking wheel covers, that do not allow you to do pressure checks on the Duel Wheels. I purchased valve stem extensions, and had them installed finally by a tire dealership. The tire shop had said that they have problems with the extensions leaking and they do not allow you to have the good looking wheel covers on. The tire shop had mentioned that if you had aluminum wheels you could have attractive wheels and still have the ability to check pressures. We found that indeed the stem extensions leaked and I had to carefully check each day, and had a high pressure inflator on board to keep the pressures right. Any suggestions on how to have attractive wheels and the ability to pressure check?
  • We have the same system as Cloud Driver. It puts the valve cap at the same position as most 'car' wheels, just outside the wheel covers/simulators. No problems now for 3 yrs.
    Even easier continuous checking is to add a TPMS. The 510 system sensors just replace the valve cap. Checking is now done by looking at the monitor in the MH.

    Beverley and Ken
  • I always checked tire pressures each night after stopping for the night. Until the last 300 mile leg of a trip home. When I checked the tire pressures the next morning, one inside dually had '0' air pressure. A quick check found a 10" spike in it. Not a blowout but just a slow leak. I replaced both rear tires. The one with the spike and the one carrying the entire load for some part of that 300 mile leg. Now I have a TPMS system with a monitor in the cockpit. Cheap insurance.
  • Ketchman wrote:
    The tire shop had mentioned that if you had aluminum wheels you could have attractive wheels and still have the ability to check pressures.

    Any suggestions on how to have attractive wheels and the ability to pressure check?


    Looks like you already have an answer!
  • I read the subject line and thought it would be about to wheels having a duel

    Not dual wheels

    :B
  • Many times it's the simple solutions that return the best results. To qualify...I was a consultant to large fleets on how to buy and maintain tires, I've responded to threads on this site before on the same relative topic.

    Thread topic, "Duel(should have read dual)Wheels:

    Dual or single my response would and will always be the same. Eyes on Hands on.....

    #1. Put all the parts and gear on you feel the need to do. But you should still physically check(not pressure, as in putting a air guage on the stem for actual pressures, but to thump the tires across the face of the tread through out your travel day. A good rule of thumb is to check each time you stop regardless of the reason. If you feel you should check pressures at the end of or the beginning of each travel day go ahead.

    #2. Do not rely on TPMS or these warning systems that warn of low pressures. It only takes a minute or two to physically check them by thumping.

    #3 The tool? I used to tell my clients the single most important thing to equip their tractors/trucks with is a 18" x 1 1/2" piece of steel pipe. You will be surprised after a few uses how well it works.

    #4 A equal deterrent to tire failures is to use your side/west coast mirrors to monitor what's happening to either the unit your'e towing of your Class A or the like. The rule of thumb taught to truckers is every 15 seconds. That's extreme but a habit of every couple of minutes would be enough. You not only have self interest at stake but also a responsibility to others using the same roadway.
  • You used the wrong extensions. I have non-pressurized extensions on metal valve stems and they are fine. You must have been using the pressurized extensions.
  • Wouldn't you know it...looks like these extensions from Tire-man would be the answer for mine and I can't get'em. Just talked to them and they can't easily mail to Canada and I can't use my cc to have it sent to a US address. Has to be the same as shipping address. arrrrggggggggggggggggggggg......

    I have extensions on now, but even the tire shop man is in for a fight, getting at them.

    Fine..I'll go down to Ca this coming winter, then.



    Gary Haupt