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Open Roads Forum  >  Class A Motorhomes  >  Maintenance Issues & Tips

 > Maintaining tirepressure.

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Executive

California/Arizona/South Dakota

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Posted: 09/24/18 08:49am Link  |  Quote  |  Print  |  Notify Moderator

I check my tire pressures at the beginning of any travel day. I also check it frequently while traveling, but I have TST TPMS. Once settled, I turn it off. I run my tire pressure according to axle weight plus 5. 110/Front 100/Drive 90/tag. Tires wear evenly and coach rides smoothly. Even with changes in altitude I'm still within chart specs. From Yuma @ 117 to Amarillo @ 65 degrees they're still within specs. I only rarely add or subtract pressure in our travels....Just my experience....I could open another can of worms and talk about tire temperatures, but that's another post.....Dennis


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jorbill2or

Oregon

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Posted: 09/24/18 08:51am Link  |  Quote  |  Print  |  Notify Moderator

Tire pressure set at "cold" before driving is not static. set it once and leave it.anyone with a tire pressure monitor will tell you the it never stays the same while driving ,generally going up with temp and speed and of course altitude but to a lesser degree.Even sunshine on a tire will raise its temp. I've seen 15-20 lbs gain while driving.
Set it and DON'T forget it but do NOT mess it. Better yet get a working TPMS and turn it on.. it will confirm accurate pressure. Chasing 1-3lbs pressure change ea day is over the need. ( Yes I guess you could say a bit OCD) As a commercial driver i Didn't even have a tire gauge for my daily pretrips . If it makes you happy though [emoticon] check away!


Bill

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Near USFS Glass Creek CG, Inyo County, CA

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Posted: 09/24/18 11:00am Link  |  Quote  |  Print  |  Notify Moderator

I'm a "if we drive today the tire pressure is checked" guy...safety first.


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sgfrye

north carolina

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Posted: 09/24/18 12:17pm Link  |  Quote  |  Print  |  Notify Moderator

Wire Man wrote:

I always fill mine to the “max pressure” that is listed on the Tire itself because we tow a trailer. Biggest reason for tire failure is over heating which is compounded by under inflation.



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phillyg

SWFL

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Posted: 09/24/18 01:58pm Link  |  Quote  |  Print  |  Notify Moderator

With all due respect to the OP, airing tires has been discussed numerous times. Air the tires when cold, i.e., before rolling. Ambient temp is not taken into consideration as it constantly changes. Tire mfgrs. have taken that in consideration in their inflation tables.

If you normally air to the max psi indicated on the tires, do so. The tires will naturally heat up in use. I use a temp gun and look for an anomaly. If three tires are, say, 120 degrees, and one tire is 160, that indicates a problem that should be investigated.


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Smithtown, NY

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Posted: 09/24/18 07:34pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks to all who shared their experience. I have a TPMS so I usually check in the AM before starting out. According to Goodyear the min pressure for the G670 is 80lbs. Since we were spending several weeks at higher altitude and cooler temps, I decided to up the pressure some what since it was at 81lbs; rather too much than not enough.

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