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10-21-2015, 05:32 PM
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#1
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Junior Member
Join Date: May 2012
Location: Winnipeg, Manitoba. Canada
Posts: 25
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Tire Presure
Good Day
I know this is an old topic but most of the forms talk about tire pressure at 50 and 60 PSI.
We are heading South to start our first full-time RV trip. We depart Canada on the 1st of November.
Went to check my tire pressure before traveling and the four of them come in low around 55 to 58 PSI. When I look at the tag from Jayco on the street side of the 5er it reads 80 PSI Cold. I note the the Towmax STR Powerking, ST 235/80 R16 state max PSI is 80.
Should I be filling my tires to the MAX 80 PSI???
RowMatt sends
__________________
:D 2013 Jayco 31.5RLTS
2010 Jayco 28.5RLS (sold)
2008 Ford Super Duty F350 King Ranch, Diesel.
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10-21-2015, 05:36 PM
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#2
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Senior Member
Join Date: May 2012
Location: Minnesota
Posts: 9,784
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Fill to the max on oem tires.
The tire are sized for the load, and nothing more. Lower tire pressure, puts heat into the tire, which shortens their life.
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10-21-2015, 06:23 PM
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#3
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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As you travel to warmer climates you will need to check and adjust the cold pressure. Keep a close idea on those Tow Max tires for any bulges.
They are supposed to be run at 80 psi.
__________________
Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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10-22-2015, 07:19 AM
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#4
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Senior Member
Join Date: Jan 2011
Location: Vienna
Posts: 2,044
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And as they heat up, the tire pressure will rise. They probably fluctuate as much as 5 psi or more due to temperature fluctuations. And as Norty1 said, keep and eye out for bulges. My towmax tires lasted for over 2 years and 10,000 miles and then two started separating on one trip. I wound up replacing all five(4 plus spare).
__________________
Joe Hinson
2010 Jayco Quest G2(SOLD)
2014 Jayco Eagle 33.5RETS
2007 Ram 2500 5.9L Cummins(SOLD)
2015 Ram 2500 6.7L Cummins 4WD
:)
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10-22-2015, 08:04 AM
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#5
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Senior Member
Join Date: May 2013
Location: SE Wisconsin
Posts: 3,431
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Quote:
Originally Posted by Jagiven
Fill to the max on oem tires.
The tire are sized for the load, and nothing more. Lower tire pressure, puts heat into the tire, which shortens their life.
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X2
__________________
Chuck
2013 Jayco Jayfeather X20 E (sold)
2016 Chevy Silverado LTZ 2 Z71 Crew Cab (sold, and dearly missed)
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10-23-2015, 08:24 AM
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#6
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Senior Member
Join Date: Sep 2013
Location: South Texas
Posts: 7,217
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Quote:
Originally Posted by namusmc65
And as they heat up, the tire pressure will rise. They probably fluctuate as much as 5 psi or more due to temperature fluctuations. And as Norty1 said, keep and eye out for bulges. My towmax tires lasted for over 2 years and 10,000 miles and then two started separating on one trip. I wound up replacing all five(4 plus spare).
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+1. I'm in the process of replacing my TowMax tires with Maxxis M8008 (4 tires, I will leave the spare alone for now) I have tread separation on at least one tire. I caught it before it blew so I was lucky. I will always run my trailer tires at max sidewall cold pressure, and check pressure and measure temp on them frequently.
Good luck with your trip!
Edit: My Towmax lasted two years from purchase and about 3-4K miles. The Towmax have date codes very close to the manuf date of my trailer.
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10-23-2015, 08:40 AM
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#7
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Senior Member
Join Date: Aug 2011
Location: Missouri City, The Republic of Texas
Posts: 5,063
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I'll climb on my soapbox and shout the virtues of a tire pressure monitor.
After learning how much damage a failing tire can cause and how frequent ST tire failures seem to be (thank you JOF!!) I bought my monitor and haven't looked back.
I've had 2 epic tire failures (thank you Towmax!) and my monitor warned me of both before any damage to the trailer happened.
__________________
Cheers,
T_
2013 F-350 CC SB 2WD 6.7PS
2013 Eagle Premier 351 RLTS
-SOLD- 2012 X23B
-SOLD- 2003 Ford Expedition 5.4, Bilstein shocks
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10-23-2015, 12:37 PM
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#8
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Senior Member
Join Date: Oct 2015
Location: Goshen
Posts: 136
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I maintain tire pressures for everything to with 2 psi of manufacturers recommendations. Or, to what I see molded on the sidewall. Never over but, within 2 psi under the max.
Have never had a problem yet! Other than screws, nails and that sort of thing. 12 years of RV ownership and no issues.....yet. Perhaps the tire gods have been with me.
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10-23-2015, 12:43 PM
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#9
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Senior Member
Join Date: May 2012
Location: Minnesota
Posts: 9,784
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I was looking back on the OP question about 50 psi. The reason 50 psi comes up alot is many TT's run 50 psi. 5ver are bigger and heavier so the tires need to be bigger and heavier too, which means more psi.
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10-25-2015, 02:15 PM
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#10
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Junior Member
Join Date: May 2012
Location: Winnipeg, Manitoba. Canada
Posts: 25
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What type of pressure monitor did you end up with??
__________________
:D 2013 Jayco 31.5RLTS
2010 Jayco 28.5RLS (sold)
2008 Ford Super Duty F350 King Ranch, Diesel.
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10-25-2015, 03:25 PM
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#11
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Senior Member
Join Date: Aug 2011
Location: Missouri City, The Republic of Texas
Posts: 5,063
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Quote:
Originally Posted by RowMatt
What type of pressure monitor did you end up with??
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If your question is directed at me it's from Minder Research. Lots of good votes for TST monitor system too. IMHO, getting one is more important than which one you get. The Minder needs a signal booster and I think the TST does not. The Minder reports temperature as well as pressure but I think TST does as well.
__________________
Cheers,
T_
2013 F-350 CC SB 2WD 6.7PS
2013 Eagle Premier 351 RLTS
-SOLD- 2012 X23B
-SOLD- 2003 Ford Expedition 5.4, Bilstein shocks
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11-11-2015, 10:30 PM
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#12
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Member
Join Date: Nov 2014
Location: Palmdale
Posts: 81
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I had tread separation on all four of my Tomax Powerkings. Upgraded to 17.5 inch wheels and H rated tires from Trailertiresandwheels.com.so far so good.
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11-12-2015, 07:10 AM
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#13
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Senior Member
Join Date: Sep 2015
Location: Mexico Beach
Posts: 2,196
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I did the factory upgrade to G rated tires but spare tire in on a cheap 80 psi rim and e rated tire. I thought the upgrade would include the spare also
Rock
__________________
2024 Greyhawk 30Z
2023 Jeep Gladiator High Altitude Toad
2019 Ram 3500. Traded
2016 Pinnacle FBTS Traded
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11-12-2015, 07:38 AM
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#14
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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I put a G614 as a spare. On second thought I wish I had just kept the best E rated tire for a spare.
I may never need it and I don't rotate the spare.
I could have saved some money that way.
__________________
Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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11-12-2015, 08:20 AM
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#15
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Senior Member
Join Date: Dec 2014
Location: Lachute
Posts: 936
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Inflate them to the max pressure and check the tires and the pressure everyday before departure , it takes only 5mn ;-)
__________________
Jayco Jayflight 29RKS 2019
Ford F 150 Ecoboost Tow Max 3.73 2014
Equalizer hitch 1000/10000
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11-12-2015, 12:08 PM
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#16
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Member
Join Date: Aug 2015
Location: New York
Posts: 36
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Tire Pressure Monitor
Our kids want to buy my husband a pressure monitoring system for our not yet ordered Pinnacle RSQS..can someone please recommend which TST system is adequate...I'm guessing you can add additional sensors at a later date? Is the 4 sensor model a good starting point? Thanks!
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11-12-2015, 03:05 PM
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#17
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Senior Member
Join Date: Sep 2015
Location: Sioux Falls
Posts: 348
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Yes, I agree. Fill it to the max PSI on OEM tires.
Quote:
Originally Posted by Jagiven
Fill to the max on oem tires.
The tire are sized for the load, and nothing more. Lower tire pressure, puts heat into the tire, which shortens their life.
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__________________
U.S. Air Force (1979 to 1994)
2016 Jayco 29.5BHDS
2015 Ram 2500 (6.7L Cummins Diesel)
Queen Creek, Arizona
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11-13-2015, 08:46 AM
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#18
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Senior Member
Join Date: Dec 2009
Location: Maplesville - Home Base
Posts: 3,059
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Quote:
Originally Posted by rinkside7
Our kids want to buy my husband a pressure monitoring system for our not yet ordered Pinnacle RSQS..can someone please recommend which TST system is adequate...I'm guessing you can add additional sensors at a later date? Is the 4 sensor model a good starting point? Thanks!
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I have the TST 507 system with standard non-flow through sensors. I originally bought the kit with 4 sensors for the trailer and after the first trip I ordered 4 more sensors for my truck. I leave the truck sensors on 24/7/365, but remove the trailer sensors when I am going to be at a site for longer than a few days. The sensors are turned off when pressure is removed so the batteries last longer. I always travel with spare batteries, 0-ring, and valve stem gaskets for the sensors. I can change a battery and both gaskets in minutes and only change one when the monitor alerts me to a low battery. Since my sensors are approaching 5 years old I also carry a spare set (2) of sensors. I am so used to having this system that I will not travel without it.
Would I buy this system again? You Bet!
__________________
Ed
KM4STL
2006 GMC 2500HD CCSB 4x4 Duramax/Allison, Titan 52 gallon fuel tank, Prodigy Controller, B&W Companion Hitch
2010 Jayco Designer 35RLTS, Cummins/Onan RV QG 5500 EVAP, Progressive Industries EMS-PT50X, TST Systems 507 TPMS, RV Flex Armor Roof
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11-13-2015, 09:02 AM
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#19
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Senior Member
Join Date: Sep 2015
Location: Sioux Falls
Posts: 348
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My question is: do the sensors and monitoring system tell you the PSI of your tires while parked at a campsite? Or, do your tires have to be turning in order for you to know the air pressure in each one? If this system can provide accurate air pressure while static, then I would get one. Because I normally check air pressure in my trailer tires (and refill the air, if needed) before I hook it up and tow it home.
Quote:
Originally Posted by edatlanta
I have the TST 507 system with standard non-flow through sensors. I originally bought the kit with 4 sensors for the trailer and after the first trip I ordered 4 more sensors for my truck. I leave the truck sensors on 24/7/365, but remove the trailer sensors when I am going to be at a site for longer than a few days. The sensors are turned off when pressure is removed so the batteries last longer. I always travel with spare batteries, 0-ring, and valve stem gaskets for the sensors. I can change a battery and both gaskets in minutes and only change one when the monitor alerts me to a low battery. Since my sensors are approaching 5 years old I also carry a spare set (2) of sensors. I am so used to having this system that I will not travel without it.
Would I buy this system again? You Bet!
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__________________
U.S. Air Force (1979 to 1994)
2016 Jayco 29.5BHDS
2015 Ram 2500 (6.7L Cummins Diesel)
Queen Creek, Arizona
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11-13-2015, 06:52 PM
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#20
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Site Team
Join Date: Jan 2011
Location: James Island, SC
Posts: 22,859
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My TST indicates both. I turn it on before leaving or the day before and get a readout.
Only time I have to adjust is after large temp changes.
__________________
Moderator
2011- 351RLTS Eagle, MorRyde suspension/pin box,
2017- F350 6.7 PSD Lariat FX4,SRW, SB,CC
Hughes PWD SP-50A, TST TPMS
Gator roll-up bed cover
B&W Turnover ball, Companion Std hitch
Can't find what you're looking on JOF? Try Jayco Owners Forum Custom Google Search
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