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03-26-2011, 10:14 AM
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#1
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Montana Master
Join Date: Feb 2007
Location: Winfield
Posts: 7,327
M.O.C. #6846
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Update on differential tire pressure thread.
As stated on the other thread, I checked the air pressure on both sides of the rig this morning, and confusion has been re-introduced. The rig had sat in 30 degree temperatures overnight so I know that both sides were the same temperature. All four tires registered 98 psi!! Evidently, the entry-side tires were indeed low since I had added 10 psi to that side. I cannot believe that there is any kind of a leak where both tires would leak the exact same amount of air out each tire. I will check the pressures again in a couple of weeks just to make sure however. Definitely odd??
Bingo
__________________
Bingo and Cathy - Our adventures begin in the hills of WV. We are blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.
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03-26-2011, 10:20 AM
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#2
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Montana Master
Join Date: Nov 2002
Location: Midlothian
Posts: 956
M.O.C. #40
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Bingo,
The two tires that were low may have been warmer when you put air in them before. Just a guess of course.
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03-26-2011, 10:27 AM
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#3
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Montana Master
Join Date: Feb 2007
Location: Winfield
Posts: 7,327
M.O.C. #6846
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That sounds like a good guess, I never thought about that!!!
Bingo
__________________
Bingo and Cathy - Our adventures begin in the hills of WV. We are blessed by our 2014 3850FL Big Sky (previous 2011 3750FL and 2007 3400RL) that we pull with a 2007 Chevy Silverado Classic DRW CC dually.
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03-26-2011, 11:06 AM
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#4
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Montana Master
Join Date: Oct 2009
Location: Navarre
Posts: 1,527
M.O.C. #9765
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Perhaps you have mice!!!!!!!!
Mike
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03-26-2011, 04:02 PM
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#5
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Montana Master
Join Date: Dec 2009
Location: Sebring
Posts: 3,657
M.O.C. #9969
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Not mice, Gremlins
__________________
Michelle & Ann
2018 Chevy 3500HD High Country DRW 4X4 Crew Cab w/Duramax/Allison, Formally 2010 Montana 2955RL, Now Loaded 2016 SOB, Mor/ryde IS, Disc Brakes & Pin Box, Comfort Ride Hitch, Sailun 17.5 Tires.
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03-27-2011, 02:20 AM
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#6
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Montana Master
Join Date: Oct 2009
Location: Navarre
Posts: 1,527
M.O.C. #9765
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No, I'm talkin bout those air sucking West by God MICE.
Mike
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03-28-2011, 01:57 PM
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#7
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Montana Master
Join Date: Jun 2009
Location: Sioux Falls
Posts: 617
M.O.C. #9380
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I had my tire pressure monitor throw an alarm one day right after parking in a truck stop. Both tires on driver's side were indicating a leak. My TPM will throw an alarm if it senses pressure reduction rate too high as well as the absolute pressure too low and it was telling me that both tires were leaking (but still over 100 lbs). Turns out I parked (one side) in a big puddle.
By the time we finished lunch everything was back to normal and off we went. It's surprising how much pressure can change from little things. I can easily get 10 lbs difference driving down the road because of the sun.
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04-18-2011, 07:16 AM
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#8
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New Member
Join Date: Apr 2011
Location: Boise
Posts: 4
M.O.C. #11348
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Tire pressure changes with additional heat and cold. I have a chart that basically says for every five degrees change (from a base of 65 degrees) that the air pressure changes by approx 1 1/2 pds per every five degrees of temp change. My tires say 80 lbs so at 65 deg my air pressure would be 80. At 32 deg I would air to 74 lbs. At 90 degrees I would air to 95 lbs. Go to this site for the chart: http://www.irv2.com/forums/f84/unive...art-71922.html
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04-18-2011, 07:39 AM
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#9
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Montana Master
Join Date: Jun 2010
Location: Colorado Springs
Posts: 3,335
M.O.C. #10496
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Pug,
Good info! I had never seen this and it makes sense.
Admins, I recommend this chart be made available as a sticky.
__________________
2010 3150RL
LevelUp, Dual 6 volt batteries, Progressive Industries EMS HW50C, Honda EU2000i Generator, Bridgestone Duravis R250 tires, Torklift Glowstep Revolution Stairs, LED Tail lights
2015 RAM 3500 Laramie SRW LB CC Cummins 6.7L Aisin Trans B&W RVK3600
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04-18-2011, 11:48 AM
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#10
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Montana Master
Join Date: Nov 2007
Location: Kville
Posts: 2,865
M.O.C. #7871
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Quote:
quote:Originally posted by Pug
Tire pressure changes with additional heat and cold. I have a chart that basically says for every five degrees change (from a base of 65 degrees) that the air pressure changes by approx 1 1/2 pds per every five degrees of temp change. My tires say 80 lbs so at 65 deg my air pressure would be 80. At 32 deg I would air to 74 lbs. At 90 degrees I would air to 95 lbs. Go to this site for the chart: http://www.irv2.com/forums/f84/unive...art-71922.html
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All that change in temp info is fine, but the bottom line is you fill the tire to the correct pressure for where you are now and what the temp is now. Tomorrow you get up and do the same thing...if the temp (or altitude) have changed and requires a TP change then do it.
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04-18-2011, 01:15 PM
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#11
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Montana Master
Join Date: Jul 2006
Location: K.C.
Posts: 11,731
M.O.C. #5980
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Different weights on side to side? heavier on entry? More weight, more pressure... heck I don't know, didn't sleep at that motel last night..
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