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Old 01-22-2008, 11:36 AM   #1
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Please advise the correct tire preassure for a 2007, Mountain Aire D. Front, Rear Dual, and Tag.

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Old 01-22-2008, 11:36 AM   #2
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Please advise the correct tire preassure for a 2007, Mountain Aire D. Front, Rear Dual, and Tag.

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Old 01-22-2008, 02:02 PM   #3
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KENLEE, will short cut question to Newmar forum.
First off you have to get your coach weight so you will know what loads your carrying on your axels than you will inflate tires to what your tire MFG says in there inflation tables for the type tires you have on your coach.
When you do this you will find a much quieter ride and smooth riding coach.

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Old 01-22-2008, 03:51 PM   #4
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As 007 has said You 'Need' to get her wieghed. and you need corner weights.

Until then air up as to your gross wieght per axle.

ie If you have a #14000 front air up to #7000 per side.

Same with Drives and Tag

Your '07 MA should not be overwieght per axle as some older units were!!!

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Old 01-22-2008, 06:03 PM   #5
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There should be a tag on the wall, Left of driver's seat.
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Old 01-22-2008, 06:57 PM   #6
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I just went through my weigh sheets to see what others weighed. They are all over the board, no rhyme or reason, so you need to get that rig weighed. Take your time at the Cat scales and weigh each axle by itself. That will at least give you what the axles are carrying. Best if you can get individual wheel scale weights. Guessing at the correct tire pressures is, exactly that , guessing without some real world scale numbers.
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Old 01-23-2008, 03:35 AM   #7
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Kenleee, While the best determination can only be made after weighing the coach here is my experience. 08 MA full of fuel,fresh water and packed for the road gross 41900. Ft 115# rear and tag 85#. If you need the actual weight on each tire I will be happy to give it to you. It's in my black box and DW is still sleeping. I was surprised that there was only 400# difference in left to right on my unit. Good Luck
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Old 01-23-2008, 03:55 AM   #8
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My pressures are similar with 115 psi in the front tires and 80 psi in both the drive axle and tag. All are cold pressures.
At highway temperatures the rear are about 96 or so while the front are running in the low 130's.

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Old 01-23-2008, 08:31 AM   #9
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Thanks to all. This info is very helpfull.
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Old 01-23-2008, 10:51 AM   #10
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Hi Ken! We are at 120 PSI in the front and 85 PSI in all the rears. We carry quite a bit of weight. We were weighed by Spartan and given those numbers. If you are not carrying a lot, you could probably go to 115 PSI is the fronts like most others have. It will give you a little softer ride. Paul

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