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Old 08-29-2010, 04:11 PM   #1
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Low Air

Have a warning message that we have low pressure P3 - Don't know what that means but can not hold pressure in the back of our motorhome.
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Old 08-29-2010, 04:57 PM   #2
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Quote:
Originally Posted by SLJackson View Post
Have a warning message that we have low pressure P3 - Don't know what that means but can not hold pressure in the back of our motorhome.
I betting that someone may be able to help you out IF you can provide stuff like what motorhome you are talking about, just for a place to start.
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Old 08-29-2010, 05:13 PM   #3
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Hi SLJackson,
Welcome to iRV2. We do need additional information to provide some assistance. Make, model, year of coach, chassis manufacturer, air suspension, front or back or both is reading low, etc? Please provide as much information as you can.

thanks,
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Old 08-29-2010, 10:06 PM   #4
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In any case, low air pressure means exactly that. If you are referring to the rear air tank on a diesel pusher coach, that tank generally provides air pressure for the suspension. The onboard compressor can keep up with small leaks easily, so you must have a MAJOR air leak, e.g. a busted hose or air bag. Get it checked out ASAP.

The front tank serves the air brakes, so those are still ok.
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Old 08-30-2010, 07:14 AM   #5
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Does everyone know how to find additional information for a member???
The "about me" info says it is a 36' Gulfstream Crescendo.....Knowing nothing about the Gulfstream line that doesn't help me
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Old 08-30-2010, 07:35 AM   #6
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Low Pressure

Thanks everyone - I did use the phone number for Freightliner help and we found that if we messed with our MMDC the pressure popped back up to normal. The only problem right now is if you move the wires it goes back to zero. So going to try contact spray while we try to find a new one.

Thank you - everyone for you response. PJ
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Old 08-31-2010, 03:54 PM   #7
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Ok, since I worked in the Electrical Industry with high voltage systems. We always used this stuff when we wanted to prevent corrision on electrical systems. I use it on my batteries, and any electrical connection subject to high acid, or water, or a place hard to get too, which might corrode over time.

I recommend you get a can from any good electrical supplier, Lowes and HD won't have it. A small can will last you forever.

Sanchem NOOXID electrical grease & electrically conductive grease dielectric grease and contact lubricants
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