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07-19-2018, 01:58 PM
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#1
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Senior Member
Tiffin Owners Club
Join Date: May 2017
Location: Wyoming
Posts: 228
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Tire Pressure Tire Pressure It's important
Just wanted to post this and say thanks to all that pointed me in this direction.
I did have our Jayco Seneca weighed, each axle and total weight. Then went to the web site for the tires that are on our coach. I adjusted the tire pressure to what they said for the axle weight.
After doing this on our first trip the coach handled like a dream. The push that was happening when passed by a semi is greatly improved. No more white knuckle driving.
All I can say is "THANK YOU". Now I don't need to install a steering stabilizer or sway bar. Setting tire pressure saved me money.
__________________
2021 Tiffin Allegro RED 340 38LL
Wife, and 1 Cat
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07-19-2018, 02:08 PM
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#2
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Senior Member
Winnebago Owners Club
Join Date: Dec 2015
Location: Jacksonville, Fl
Posts: 3,543
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Another satisfied customer. 
It DOES make a huge difference, I noticed the same on mine.
__________________
2013 Winnebago Sightseer 36V
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07-19-2018, 02:23 PM
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#3
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Senior Member
Winnebago Owners Club Ford Super Duty Owner
Join Date: Aug 2016
Location: Northern VT
Posts: 506
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Funny story from my end. Recently got the coach back from its State mandated annual inspection, usual shop was busy so I went to a larger truck facility nearby. When driving coach home I couldn't help feeling like the ride/handling was awful compared to my memory, had me a little concerned as we have a big trip upcoming.
Got home and was reviewing the paperwork, noticed the tech had noted "Tire pressure below recommendations, inflated tires to recommend settings". Had me scratching my head as I do check them pretty regularly thanks to this forum. Went out and checked the tires, instead of my 95psi, they were all at 120PSI, the max pressure recommended on the sidewall. Spent Sunday am resetting the pressures back...........
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2015 Winnebago Vista 35B. "The Vistabus!!"
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07-19-2018, 10:01 PM
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#4
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 31,945
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Quote:
Originally Posted by Blastvalve
Funny story from my end. Recently got the coach back from its State mandated annual inspection, usual shop was busy so I went to a larger truck facility nearby. When driving coach home I couldn't help feeling like the ride/handling was awful compared to my memory, had me a little concerned as we have a big trip upcoming.
Got home and was reviewing the paperwork, noticed the tech had noted "Tire pressure below recommendations, inflated tires to recommend settings". Had me scratching my head as I do check them pretty regularly thanks to this forum. Went out and checked the tires, instead of my 95psi, they were all at 120PSI, the max pressure recommended on the sidewall. Spent Sunday am resetting the pressures back...........
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Yup, every time I am forced to take our MH to the shop my first instruction is to "leave tire pressure alone".
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;GS Life member,FMCA " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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07-19-2018, 10:28 PM
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#5
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Senior Member
Join Date: Nov 2015
Posts: 27,747
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Quote:
Originally Posted by Fordfixer1
Just wanted to post this and say thanks to all that pointed me in this direction.
I did have our Jayco Seneca weighed, each axle and total weight. Then went to the web site for the tires that are on our coach. I adjusted the tire pressure to what they said for the axle weight.
After doing this on our first trip the coach handled like a dream. The push that was happening when passed by a semi is greatly improved. No more white knuckle driving.
All I can say is "THANK YOU". Now I don't need to install a steering stabilizer or sway bar. Setting tire pressure saved me money.
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What were the air pressures BEFORE and AFTER weighing?
__________________
I took my Medication today. HAVE YOU?
Dodge 3500 w/Tractor Motor
US NAVY---USS Decatur DDG-31
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07-19-2018, 10:39 PM
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#6
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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Quote:
Originally Posted by Blastvalve
Funny story from my end. Recently got the coach back from its State mandated annual inspection, usual shop was busy so I went to a larger truck facility nearby. When driving coach home I couldn't help feeling like the ride/handling was awful compared to my memory, had me a little concerned as we have a big trip upcoming.
Got home and was reviewing the paperwork, noticed the tech had noted "Tire pressure below recommendations, inflated tires to recommend settings". Had me scratching my head as I do check them pretty regularly thanks to this forum. Went out and checked the tires, instead of my 95psi, they were all at 120PSI, the max pressure recommended on the sidewall. Spent Sunday am resetting the pressures back...........
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I would be calling and having a discussion with the manager...
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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07-19-2018, 10:50 PM
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#7
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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Quote:
Originally Posted by Blastvalve
Funny story from my end. Recently got the coach back from its State mandated annual inspection, usual shop was busy so I went to a larger truck facility nearby. When driving coach home I couldn't help feeling like the ride/handling was awful compared to my memory, had me a little concerned as we have a big trip upcoming.
Got home and was reviewing the paperwork, noticed the tech had noted "Tire pressure below recommendations, inflated tires to recommend settings". Had me scratching my head as I do check them pretty regularly thanks to this forum. Went out and checked the tires, instead of my 95psi, they were all at 120PSI, the max pressure recommended on the sidewall. Spent Sunday am resetting the pressures back...........
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Just a reminder: the pressure molded into the sidewall of heavy duty tires is NOT the maximum cold pressure, it is the MINIMUM to support the maximum rating of the tire. That is stated in the printed literature from the tire companies.
For car Size tires it is the maximum cold pressure the tire should ever have.
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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07-20-2018, 07:54 AM
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#8
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Senior Member
Tiffin Owners Club
Join Date: May 2017
Location: Wyoming
Posts: 228
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Old-Biscuit,
Before being weighed I was at 95 PSI, after I set all 4 at 85 PSI. According to the Michelin spec I can go lower but I won't for now.
Initially I had the tires at 120, per Freightliner spec. That was horrible.
Using Michelin's chart and setting pressure was a great improvement!
__________________
2021 Tiffin Allegro RED 340 38LL
Wife, and 1 Cat
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