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jaybird
07-22-2015, 11:38 AM
I just had a tire break down and blow out yesterday Could have been a dangerous situation. Took 2014 Mountaineer to Les Schwab and they say all 4 need replacing. Now I keep the proper inflation on this 2yr old Montana and we are pretty much just weekend travelers. I'M pretty discussed that I'm out $800 after just 2 years use and maybe 10,000 miles. We store it uncover but they told us not to allow tires to sit on cement in the winter months even though we use it a weekend or two during the mild northwest winters. Probably don't have a leg to stand on with dealer (Tacoma RV) but wife is giving it a gallery effort

BB_TX
07-22-2015, 12:21 PM
Marathons?? My '07 came with Missions. I ran them 1 year. But with all the reported blowouts on Missons I replaced them at 1 year and less than 4,000 miles and no blowouts just to give some peace of mind.

1retired06
07-22-2015, 12:32 PM
Curious why they said all four tires needed replacing?

shovelhead86
07-22-2015, 12:41 PM
Curious how you got 4 tires for $800.00.

DQDick
07-22-2015, 01:19 PM
My thoughts also. Original equipment tires? If so you got longer use than many. $800, replaced with the same quality tires?

WeBeFulltime
07-22-2015, 01:20 PM
quote:Originally posted by shovelhead86

Curious how you got 4 tires for $800.00.


It's actually not a problem getting a good set of LTs installed for that price. Not everyone feels a need for 614s on their particular model...me included.

bshgto
07-22-2015, 01:36 PM
quote:Originally posted by WeBeFulltime

quote:Originally posted by shovelhead86

Curious how you got 4 tires for $800.00.


It's actually not a problem getting a good set of LTs installed for that price. Not everyone feels a need for 614s on their particular model...me included.

Just out of curiosity how close are you to the maximum weight of the LT tires and what brand did you decide on.

1retired06
07-22-2015, 02:41 PM
Have run Firestone Transforce LT tires for many years without a single issue. Online price 155-170 per tire.

jaybird
07-22-2015, 03:44 PM
Would it help to lower the back legs when in storage to relieve some of the weight inpact?

bncinwv
07-22-2015, 03:53 PM
If your tires were Marathons, the only thing that would have helped was to have replaced them like most on the forum.
Bingo

sambam
07-22-2015, 07:37 PM
2 years? Maybe 10,000 miles? If they were Marathons, you may want to call Guinness World Records.

WaltBennett
07-23-2015, 01:06 AM
jaybird, first off, you don't say what brand and age they were. Even if OEM, they probably were at minimum another year older than your rig.

Second, it shouldn't matter one bit that you kept your rig on cement over the winter. This 'tire salesman myth' has been proven false several times over (unless they were made 80 years ago). Whoever told you that was just trying to sell four instead of one.

Finally, you don't say what they sold you for $800. Did you even check the DOT 'born on' dates?

There are hundreds of posts about tires on this Forum and just about every other one I've seen pertaining to 5th wheel trailers. They all pretty much say the same things: Made in China ST tires are junk for heavy weight trailers. ALWAYS check the date codes and don't trust tires over five years old. Good ST and good LT tires work equally well if you pay attention to ratings and age.

WeBeFulltime
07-23-2015, 02:16 AM
quote:Originally posted by Brian Holmes

quote:Originally posted by WeBeFulltime

quote:Originally posted by shovelhead86

Curious how you got 4 tires for $800.00.


It's actually not a problem getting a good set of LTs installed for that price. Not everyone feels a need for 614s on their particular model...me included.

Just out of curiosity how close are you to the maximum weight of the LT tires and what brand did you decide on.


I have Michelins that are rated at just over 12,000 for the 4 tires. My 3585 scales at just under 11,000 on the two axles.

jlb27537
07-23-2015, 03:52 AM
We tell folks to replace the (insert ST tire brand here) and install either a "quality" LT tire or if your actual axle weight is over a LT tire rating go on to a "G" rated tire.

Then a fella with 10K miles in 2 years, (that is a lot of trips to the lake) has a blowout???? and he is ****** at the tire. Dugh??

Had he removed the OEM ST tires when new, he could have sold them for $3-400 and bought some decent tires.

When I got my trailer home from the dealership, went on one 200 mile round trip camping, installed a set of Duravis R250 for $900. Sold the OEM Marathon's on Craig's List for $350.

As to the not parking on concrete, Yea, got to rotate my tires every month to keep the oil from settling in the bottom of the tire...I'll work on that.

Jim

Fire5er
07-23-2015, 04:28 AM
How is it Tacoma RV's problem that the cheep tires Keystone put on your rig didn't last per your expectation? Give Keystone a call and see what they will do for you. But as jlb27537 said, had you replaced them when new you could have sold them to help offset the cost of new LT tires. ST tires have been a known issue that has been talked about on this and many other forums for years.

jaybird
07-23-2015, 05:21 AM
They were Marathon

richfaa
07-23-2015, 05:30 AM
we had a good set of LT tires on our 06 3400.They were Generals not made in China. The tire load rating was as I remember 3083 per tire or 6166 per 7K axle or 12,322 on both. Our pin weight was 2800 lbs. When weighed at a fall rally we were a bit over the load rating on the galley side. GVW was as I recall 15K and we were at the rally when weighed a bit over. We were right at the bitter edge of the tire rating but had the TMPS and drove at 62/65 MPH.we did not have a problem with those tires however with the 13 3402 Big sky with a higher GVW the G6 14s were a requirement.
Also on the 06 3400 we ditched the OEM suspension which included the axles for the Mor Ryde IS.

bigskyjimmy
07-23-2015, 06:35 AM
Yep I agree with Fire5er,I like Tacoma RV and have dealt with them for many years but I do not see this as their problem it is Keystone ,but what the heck can't hurt in trying,when I bought my 2015 there I told them to take off that ST junk and put the G's on they said no problem they hear about it all the time and they took care of it unfortunately some buyers of these big new rigs do not know about the ST E rated tire problems or just take their chances if they do know

mlh
07-23-2015, 09:41 AM
Jay I'm surprised. You are one of the most active members here and you were still using the Marathon tires.
Lynwood

richfaa
07-23-2015, 11:34 AM
mlh..You may be thinking of Jay Bird... not Jaybird.

mlh
07-23-2015, 11:59 AM
Rich THANKS for the correction! I owe you one.
Lynwood

sambam
07-23-2015, 12:10 PM
quote:Originally posted by mlh

Rich THANKS for the correction! I owe you one.
Lynwood

I was confused by that as well..

WeBeFulltime
07-23-2015, 12:38 PM
Do we have a Blue Jay too? [:o)]

DQDick
07-23-2015, 05:10 PM
A retired Goodyear engineer at an Escapee Boot Camp did mention not to park your rig long term on concrete. His solution was to put a cheap plastic placemat under the tires. The problem, as he related it, is that black mark that is left when the rig, or car moves after sitting on concrete for a fair amount of time. According to him, the black mark is an ingedient in the concrete leaching the anti-aging chemical being leached out of the tire.

RKassl
07-24-2015, 03:52 AM
As I did with our 2005, taking our new 2015 to an alignment shop next week. It is critical that your trailer alignment is right on or you will be eating tires every 2 years.

richfaa
07-24-2015, 05:11 AM
MLH//It got me for awhile also.

Mark N.
07-24-2015, 06:26 AM
I wish this old myth about "parking on cement is bad for tires" would finally dry up and go away already! It's silly, it's wrong, and it needs to finally die.

DQDick
07-24-2015, 08:49 AM
That said, what explains the black marks?

jlb27537
07-24-2015, 09:37 AM
Question for the OP?

Did you have a TPMS on the tires? If not, how do you know the tire that blew out was not at a reduced pressure, and that is what caused the tire to blow.

OK, you always check them, but you can pick up a nail or screw 100ft down the street.

So lets review, a ST/China tire with no TPMS blows out and you want the RV Dealership that sold you the RV 2 years ago to buy you some tires.

Jim

RKassl
07-24-2015, 04:18 PM
Folks, this is not rocket science, good tires and a good alignment equals good tire wear, nothing else.

rdklein2
07-25-2015, 04:43 AM
I understand your pain..... no condemnation here...just sympathy. The person responsible for my selection of a Montana as a full time rig, is looking to upgrade to bigger rig. When he asked what my thoughts, after having levelup system and other improvements over his year. I said "no unit that weighs greater than 14000 lbs. On the Gvwr sticker should leave any Dealer lot without electric hydraulic disc brake upgrade installed. Then go to a tire dealer and get the OEM tires off the rig and install the proper weight rated tire." I believe that any dealer that doesn't tell a customer this and/or upgrade the tires prior to delivery to the customer is not a business I would support in the future. A dealership knows about these issues, because they, and the manufacturer, have records of types & frequency of repairs for each model. This allows engineering to either redesign or respecify the requirement for parts bought for their units from their venders. Or, in some instances, hire their $500.00 / Hour corp. Attourney to limit their liability and still use the parts bought in volume under contract that the manufacturer is on the hook for.

richfaa
07-25-2015, 04:45 AM
The TPMS will keep you advised of tire pressure at all times therefore you will never be over or under inflated. A blowout is a sudden and catastrophic tire failure that the TPMS can not forewarn us of however it will warn of a loss of pressure giving us time to slow down or get off the road. Once that tire comes off the rim due to a undetected loss of pressure it will look and sound like a blowout. Many blowout are not blowouts at all but a un detected loss of tire pressure resulting in a tire failure. The TPMs is cheap insurance considering the damage that can be done bu a undetected loss of pressure.

Also agree the proper alignment is necessary.

WaltBennett
07-25-2015, 05:59 AM
I've posted about this in the past, but need to repeat myself (comes from age . . . ). Marathons aren't really bad tires, but they are SERIOUSLY wrong for a heavy trailer like a Montana. We had E rated ones on our old TT (10k gross I think) and they lasted well past their five year life expectancy. Were still on it when we traded up. They are used on thousands of horse, cargo and equipment trailers as well with little problem.

The issue with them on a Montana (or any other large 5th wheel) is they are almost always at least a year old by the time someone buys even a brand new trailer, and they are close to their rated limit even if brand new. ST tires are also not as conservatively rated as LT ones, so a rating for a three or even five year old LT will still be valid while one for the same age ST will not be anywhere near as published.

Bottom line, any E rated ST on a 15k+ gross trailer means you'd better be changing them out religiously at NOT MORE than five years.

richfaa
07-25-2015, 06:20 AM
yes Walt. We had the Marathons on two previous TT's both CVW under 10K without a problem.

1retired06
07-25-2015, 06:38 AM
And better tires than the trail kings Montana is using now.