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Old 10-11-2016, 09:32 AM   #1
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my 2000 40ft newmare dash air gauges are bad new gauges are 500$ can I be safe driving without them for a while ? what could happen

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Old 10-11-2016, 09:36 AM   #2
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I would say no. if you lose air pressure your brakes lock up.

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Old 10-11-2016, 09:42 AM   #3
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Originally Posted by dan-nickie View Post
I would say no. if you lose air pressure your brakes lock up.
x2, air pressure is one set of gauges that I would put on the must have list. You can live without RPM, or voltage - and even MPH if need be, but oil pressure, temp and air pressure are must haves.

How much would stand alone aftermarket gauges cost? Might be a quick fix until you can pony up for a new cluster.
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Old 10-11-2016, 05:54 PM   #4
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Would you consider buying used gauges? visonerv.com parts-out totaled motorhomes.
Then there is RV salvage and surplus dealers in the U.S.A. and Canada
I would never advise anyone to drive a vehicle with air brakes without working gauges.
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA 1SG, retired;PPA,Good Sam Life member,FMCA."We the people are the rightful masters of both the Congress and the Courts - not to overthrow the Constitution but to overthrow men who pervert the Constitution. "Abraham Lincoln"
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Old 10-12-2016, 10:45 AM   #5
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I'll disagree - the air pressure gauges are just one more safety warning device. The rig still drives safely (the air brakes and suspension work fine), but you have no way to notice if the air system begins to show signs of failure (pressure loss). For that reason it is one of the important gauges.

Which chassis does your Newmar have (Spartan or Freightliner)? And are you sure its the gauges themselves? It would be rare for both to go out at the same time, so it's more likely that the failure is the instrument display controller or wiring. Freightliners use an MMDC or VDO component to drive gauges

I see Freightliner air gauges on Ebay for as little as $25. Is that $500 the price os the entire cluster?

Used ones seems like a viable option to me. One of the major RV Salvage Yards (Visione or Colaws) will likely have a gauge or gauge cluster that fits.
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Old 10-12-2016, 08:14 PM   #6
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I think I replied to you on another post, I'm serious about checking the electrical grounds under the dash going to the gauges. I doubt the gauges are bad. I replaced the pressure transducer modules for the front and rear air pressure are mounted to the brake pedal assembly. The are accessed from underneath the coach. The coach needs to be shored up before removal of these modules. I think I paid $90 each for them.

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