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09-02-2020, 01:47 PM
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#1
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2 Rivet Member 
Orlando
, Florida
Join Date: Dec 2018
Posts: 20
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Bumps on Tire Wall
Need some advice,
We are on our first trip( 2500 miles)on our Airstream Globetrotter 30’ 2020. Made it to Jackson, WY. I was checking my tires and found these bumps on 3 of the 4 tires.
I called the coach net and sent them the below photos and advised to change all the tires.
I called Airstream and emailed them the photos, and they assured me that these are normal structural elements in the tires, and they are safe to drive
I would like to have your advice if it is safe to travel with these tires!!
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09-02-2020, 01:57 PM
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#2
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Rivet Master 
2018 25' International
Slidell
, Louisiana
Join Date: Sep 2017
Posts: 3,725
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The bumps you noticed are a consequence of the Endurance sidewall design. Airsteam is correct. It is normal and typical for these tires. For other tires, not so much so I understand the concern and confusion.
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09-02-2020, 02:16 PM
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#3
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Rivet Master
2019 19' Flying Cloud
Canyon Country
, California
Join Date: May 2019
Posts: 909
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I seen those similar bumps on many tires. somewhat normal. if the bump gets worse, you know tis not normal
__________________
2014 Ford Explorer XLT with factory installed Tow Package.
2019 Flying Cloud 19CBB
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09-02-2020, 02:24 PM
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#4
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Site Team
2007 30' Classic S/O
Somewhere
, South Carolina
Join Date: Apr 2010
Posts: 6,436
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Tire Rack has a nice explanation of the indentations from manufacturing but the real issue is if you have BULGES them's bad news and commented in their post further down.
https://www.tirerack.com/tires/tiret...%20the%20tires.
"Sidewall Indentations / Undulations
Sidewall indentation
Fig. A: Vertical indentation on sidewall from rim to tread.
A common byproduct of radial tire construction, sidewall indentations/undulations are more noticeable in tires with taller sidewalls or operate at higher inflation pressures. Fortunately sidewall indentations are a cosmetic condition that does not affect the performance of the tires."
__________________
S/OS #001 2005 Dodge Ram 2500 5.9L 6 Speed
16" Michelins, Hi Spec Wheels, Max Brake, Dexter 4 Piston Disc Brakes, Carslile Actuator, Equal-I-Zer, Dill TPMS. Campfire cook. BMV-712. DEMCO 21K Lb Cast Iron coupler
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09-02-2020, 02:24 PM
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#5
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
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Welcome Aboard👍
Indentations.....ok.👍
Bumps....not so much.👎
Bob
🇺🇸
__________________
I’m done with ‘adulting’…Let’s go find Bigfoot.
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09-03-2020, 10:04 AM
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#6
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3 Rivet Member 
2019 25' Flying Cloud
North-Central
, Florida
Join Date: Jan 2019
Posts: 115
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Had same. Manufacturing artifact confirmed by my Goodyear guy.
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09-03-2020, 10:19 AM
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#7
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3 Rivet Member
2018 27' Flying Cloud
Erie
, Pennsylvania
Join Date: Apr 2019
Posts: 130
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Same here
Mine are all the same but if I could suggest to weigh/scale your trailer and use the Goodyear inflation chart to adjust your tire pressures.
__________________
EXPERIMENTAL based on untested ideas or techniques and not yet established or finalized
Rick & Becky #28279
2018 FC27FBQ
2021 RAM 2500 Hemi 6.4
KD3OBX 146.520
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09-03-2020, 01:53 PM
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#8
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Rivet Master
2008 19' Bambi
2012 23' Flying Cloud
2016 25' Flying Cloud
Bandera
, Texas
Join Date: Jun 2012
Posts: 786
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Normal occurrence..
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09-03-2020, 02:50 PM
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#9
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:SPACE A" S/O 11 Air19745
2006 34' Classic S/O
Fort Worth
, Texas
Join Date: Feb 2007
Posts: 1,766
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Undulation OK. Bumps are the start of tread separations. Get new tires.
guskmg
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09-04-2020, 08:04 PM
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#10
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Moderator dude
1966 26' Overlander
Phoenix
, Arizona
Join Date: Apr 2002
Posts: 7,510
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Not limited to any specific tire manufacturer. Can be found on many other tires manufactured by many different companies.
This is a result of the tire manufacturing process and does not negatively impact the performance of the tire.
Action
__________________
1966 Mercury Park Lane 4 DR Breezeway 410 4V, C-6, 2.80 - Streamless.
1966 Lincoln 4 door Convertible 462 4V 1971 Ford LTD Convertible 429 4V Phoenix ~ Yeah it's hot however it's a dry heat!
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10-17-2020, 08:46 AM
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#11
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New Member
2021 25' Flying Cloud
SF Bayarea
, California
Join Date: Aug 2020
Posts: 3
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bump on sidewall
Just did our first trip in our FC 25FB. Round trip was about 175 miles. Noticed a bulge on the front passenger side tire of the trailer when we dropped it back at the dealer for storage. Replacing the tire. Disappointing on a new unit. Plus our tankless water heater leaked...nothing's perfect and we still love it!
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10-17-2020, 09:52 AM
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#12
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Site Team
2007 30' Classic S/O
Somewhere
, South Carolina
Join Date: Apr 2010
Posts: 6,436
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Bulge in sidewalk going out or indentation going in?
__________________
S/OS #001 2005 Dodge Ram 2500 5.9L 6 Speed
16" Michelins, Hi Spec Wheels, Max Brake, Dexter 4 Piston Disc Brakes, Carslile Actuator, Equal-I-Zer, Dill TPMS. Campfire cook. BMV-712. DEMCO 21K Lb Cast Iron coupler
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10-17-2020, 12:16 PM
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#13
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New Member
2021 25' Flying Cloud
SF Bayarea
, California
Join Date: Aug 2020
Posts: 3
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Quote:
Originally Posted by GCinSC2
Bulge in sidewalk going out or indentation going in?
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Ours was bulging out on the sidewall
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10-17-2020, 12:20 PM
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#14
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Site Team
2007 30' Classic S/O
Somewhere
, South Carolina
Join Date: Apr 2010
Posts: 6,436
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Quote:
Originally Posted by MikeCanuck
Ours was bulging out on the sidewall
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Mike,
Yup bulging out, pursue with warranty. Happened to me on a Marathon years ago.
Good to catch it and get it taken care of.
Gary
__________________
S/OS #001 2005 Dodge Ram 2500 5.9L 6 Speed
16" Michelins, Hi Spec Wheels, Max Brake, Dexter 4 Piston Disc Brakes, Carslile Actuator, Equal-I-Zer, Dill TPMS. Campfire cook. BMV-712. DEMCO 21K Lb Cast Iron coupler
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