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Old 01-31-2016, 01:14 PM   #1
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When to replace tires?

We have Westlake tires in our 2014 Flagstaff 21FBRS. About 15,000 miles, very little wear. I maintain inflation at 50#, and try to stay at 65 MPH or a little less.

Any advice on when to consider replacing them because of A) miles, or B) due to age?

I don't have money to waste, but want to avoid problems on the road!

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Old 01-31-2016, 01:22 PM   #2
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Age will likely be the reason many people will change them out.

2016 F350 6.7L LB CC Reese 28K 2014 Chaparral Lite 266sab
"Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety." 2014 19 days camping 2015 17 days camping201620 days camping
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Old 01-31-2016, 01:23 PM   #3
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Time and the elements weaken a trailer tire.
In approximately three years, roughly one-third of the tire's strength is gone.
Three to five years is the projected life of a normal trailer tire.
It is suggested that trailer tires be replaced after three to four years of service regardless of tread depth or tire appearance.

Trailer tires are not designed to wear out.
The life of a trailer tire is limited by time and duty cycles.
The mileage expectation of a trailer tire is 5,000 to 12,000 miles.

or whenever you feel it needs to be done.....
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Old 01-31-2016, 02:22 PM   #4
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Well, according to Discount Tire I am 3,000 miles over the expected life!
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Old 02-01-2016, 12:20 PM   #5
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Mine are at 22,000 miles. Same TT. Thinking about changing.
2014 Silverado Z71 4x4- 5.3
Flagstaff 21 FRBS
235 nights camping this past 30 months
31000 miles
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Old 02-01-2016, 01:37 PM   #6
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What size are your Westlake tires are and do you know about how much weight your tt is?
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Old 02-01-2016, 03:00 PM   #7
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When to replace

After we lost our last tire on the road, including about $1000 associated damage, the state trooper who showed up to check on us said from the time standpoint, figure a maximum of 5 years. I found that the tires were not really adequate for the loads of the trailer anyway, so I replaced all of them and increased to a higher load rating. Funny how the newer trailers like ours on the show lot now seem to have the same rating that I upped ours to have!
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Old 02-02-2016, 11:54 AM   #8
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Doing 15k miles on "c-rated" Westlake tires I'd have to say you're doing very well based on my experience and some of the Chinese tire comments I've read here and on other RV forums. Unless you're very anxious I'd recommend inspecting them for swelling or bubbles forming and correct PSI each travel morning, and going another year before they age out.
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Old 02-03-2016, 08:16 PM   #9
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Thumbs up

I also put an SPF.70 sun screen on all my rubber. Tires, seals, also on roof. Called amazing armour, I get mine from Richfield trailer sales in flint Michigan. You can probely get it on line. Not cheap but better than 303.
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Old 02-03-2016, 09:02 PM   #10
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Anyone else notice the line that says; "The combined capacity of all of the tires should exceed the loaded trailer weight by 20 percent"? Run the calculations on your tires, subtract your hitch weight and see if your tires are 20% underrated.

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tire, tires

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