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Snow Tire Life Span #4625189
01/05/18 04:56 PM
01/05/18 04:56 PM
Joined: Jun 2013
Posts: 709
Northeast
Finz Offline OP
Finz  Offline OP
Joined: Jun 2013
Posts: 709
Northeast
Iím certain Iíve seen this topic discussed but Iíll be darned if I can find it... I stink at getting the search function to work for me

Anyway... Do snow tires have a life span outside of tread depth?

I canít recall if I bought my snows in 2010 or 2012 and, compared to my all seasons, they seem to be working fine. Plenty of tread left so, based on my driving, can easily get a couple more years out of these Firestone Winterforce on my accord. I be surprised if I do more than 3,500 miles on these tires over any given winter

Just wondering... do they deteriorate or lose their ability to perform based on time?


God Bless America
Re: Snow Tire Life Span [Re: Finz] #4625202
01/05/18 05:09 PM
01/05/18 05:09 PM
Joined: Feb 2012
Posts: 3,870
NEUS
Bandito440 Offline
Bandito440  Offline
Joined: Feb 2012
Posts: 3,870
NEUS
There will be a DOT code on your tires, which includes the year and week of manufacture.
Originally Posted By: Firestone Tire
The DOT tire ID number can be found on at least one sidewall. This identifies the manufacturing location, tire size code, manufacturer's code, and the week and year the tire was manufactured (for example, '0304' means the third week in 2004).

As to the lifespan, Iíd examine them carefully. As long as there isnít cracking of the rubber, Iím generally confident. Michelin recommends inspection every year after five, and replacement at ten years. Iím not sure about Firestone.


'14 Grand Cherokee EcoDiesel
Rotella T6 5w-40 & OEM filter
Re: Snow Tire Life Span [Re: Finz] #4625232
01/05/18 05:43 PM
01/05/18 05:43 PM
Joined: Aug 2003
Posts: 13,137
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,137
NE,Ohio
For winter tires as long as they arent stored in the sun or a HOT shed/garage

I think you are ok for about 10 years in service or until they harden and lose performance.

its not like the tire is baking in texas or arizona.


2019 Jeep Cherokee Trailhawk 2.0T
Re: Snow Tire Life Span [Re: Finz] #4625234
01/05/18 05:45 PM
01/05/18 05:45 PM
Joined: Mar 2008
Posts: 7,306
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,306
USA
Winter tires aren't as good in snow once you get worn down to 5/32. In fact, most winter tires have special wear bars at 5/32 that show you when they're not as good in the snow anymore. Of course, this is in addition to the standard 2/32 wear bars required by law.

It also varies according to the type of winter tire used, how many warm days in the winter, etc. Winter tires wear quickly when it's warm.

Some winter tires have a different compound when you get down to 5/32. Some winter tires have an all-season compound below 5/32, and a standard winter compound above that.

Re: Snow Tire Life Span [Re: Finz] #4625260
01/05/18 06:14 PM
01/05/18 06:14 PM
Joined: Oct 2002
Posts: 36,592
Great Lakes
Quattro Pete Offline
Quattro Pete  Offline
Joined: Oct 2002
Posts: 36,592
Great Lakes
At 8 years old, the performance of my current General Altimax Arctic is far from what it was when they were new, despite still having 8/32" tread left. I would say it went downhill after the first 4-5 seasons. My guess is their winter rubber compound has hardened over time and does not offer the same traction as before.


'02 530i (Edge 0W-40)
'15 Q5 3.0T (Edge 5W-40)
'18 Charger SRT (PUP 0W-40 SRT)
Re: Snow Tire Life Span [Re: Finz] #4625292
01/05/18 06:56 PM
01/05/18 06:56 PM
Joined: Dec 2017
Posts: 2,969
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 2,969
SE British Columbia, Canada
I have a set of Good Year Nordicís that are on their 5th season. No cracks and still a lot of thread. My Cooper Discoveryís on my Suburban are on their last year as snow tires and are going to be left on this summer. New snow tires coming next winter.

SF

Last edited by Snagglefoot; 01/05/18 06:59 PM.

If you want the job done right......do it yourself.
Re: Snow Tire Life Span [Re: Finz] #4625312
01/05/18 07:15 PM
01/05/18 07:15 PM
Joined: Jun 2013
Posts: 709
Northeast
Finz Offline OP
Finz  Offline OP
Joined: Jun 2013
Posts: 709
Northeast
So, basically, itís all about tread wear. And cracks.

Good to know... thank you


God Bless America
Re: Snow Tire Life Span [Re: Finz] #4625323
01/05/18 07:25 PM
01/05/18 07:25 PM
Joined: Oct 2017
Posts: 309
California
vavavroom Offline
vavavroom  Offline
Joined: Oct 2017
Posts: 309
California
To provide adequate performance, snow tires are made of a softer compound than A/S and summer tires. With any tire older than 5 years I'd make sure they are still soft. All rubber hardens with age, even if properly stored. If in doubt show them to a competent tire tech.

Re: Snow Tire Life Span [Re: Finz] #4625347
01/05/18 07:56 PM
01/05/18 07:56 PM
Joined: Jul 2017
Posts: 127
Canada
mcwilly Offline
mcwilly  Offline
Joined: Jul 2017
Posts: 127
Canada
I have 7 year old Blizzaks with under 6,000kms on them. They still look and perform like new. Stored indoors when not in use.

Unless I notice any cracks or problems I will use them until the tread wears out. They are said to have 24,000mi lifespans (36,000kms) due to the super soft rubber. But at 1k kms a year they may last the life of the car.

I remember in the early 2000's I drove a 1978 mercury cougar on tires that had sat for over 10 years in a back alley for a whole year before they started going flat. Rubber in and of itself is not biodegradable, the only risk would be from the oils drying out and the tires cracking.


2010 Subaru Sti 74,000km
2001 Toyota Echo 245,000km
Re: Snow Tire Life Span [Re: mcwilly] #4625444
01/05/18 09:58 PM
01/05/18 09:58 PM
Joined: Nov 2017
Posts: 378
North of you Idaho
KneeGrinder Offline
KneeGrinder  Offline
Joined: Nov 2017
Posts: 378
North of you Idaho
Originally Posted By: mcwilly
I have 7 year old Blizzaks with under 6,000kms on them. They still look and perform like new. Stored indoors when not in use./
Unless I notice any cracks or problems I will use them until the tread wears out. They are said to have 24,000mi lifespans (36,000kms) due to the super soft rubber. But at 1k kms a year they may last the life of the car.

I remember in the early 2000's I drove a 1978 mercury cougar on tires that had sat for over 10 years in a back alley for a whole year before they started going flat. Rubber in and of itself is not biodegradable, the only risk would be from the oils drying out and the tires cracking.



Blizzaks have a dual compound, the outer top "useful" layer is a silicate impregnated compound that gets softer as the temp gets lower. It is approximately 50% I believe, there should be a wear bar. After that, they are no longer the Blizzak you used to have. 24k would be an extremely long life span, but hopefully you may make that mark. Some people only get 5 to 7k, but they daily drive them.


08 Tribeca 86k PUP 5w30 wix
06 Accord Hybrid 134k PPHM 0w20 wix
02 Chevy k3500 99k Delvac 1 esp 5w40 wix
00 F350 136k Delvac 1300 15w40 wix
Re: Snow Tire Life Span [Re: KneeGrinder] #4625455
01/05/18 10:19 PM
01/05/18 10:19 PM
Joined: May 2008
Posts: 2,090
SoCal
UG_Passat Offline
UG_Passat  Offline
Joined: May 2008
Posts: 2,090
SoCal
Originally Posted By: KneeGrinder
Originally Posted By: mcwilly
I have 7 year old Blizzaks with under 6,000kms on them. They still look and perform like new. Stored indoors when not in use./
Unless I notice any cracks or problems I will use them until the tread wears out. They are said to have 24,000mi lifespans (36,000kms) due to the super soft rubber. But at 1k kms a year they may last the life of the car.

I remember in the early 2000's I drove a 1978 mercury cougar on tires that had sat for over 10 years in a back alley for a whole year before they started going flat. Rubber in and of itself is not biodegradable, the only risk would be from the oils drying out and the tires cracking.



Blizzaks have a dual compound, the outer top "useful" layer is a silicate impregnated compound that gets softer as the temp gets lower. It is approximately 50% I believe, there should be a wear bar. After that, they are no longer the Blizzak you used to have. 24k would be an extremely long life span, but hopefully you may make that mark. Some people only get 5 to 7k, but they daily drive them.



The WE and DM are dual compound, with the high snow/ice traction multicell-tube compound. Then under that it's just a normal winter high silica compound.

The LM series are just a winter high silica compound.


2016 VW Tiguan|APR Stage 1|Neuspeed P-Flo|Osram CBI|Redline 5w30
Re: Snow Tire Life Span [Re: Finz] #4625482
01/05/18 11:12 PM
01/05/18 11:12 PM
Joined: Jul 2017
Posts: 127
Canada
mcwilly Offline
mcwilly  Offline
Joined: Jul 2017
Posts: 127
Canada
Mine are a bit older, the WS70.

Found this on edmunds.com:

"Carmakers such as Nissan and Mercedes-Benz tell consumers to replace tires six years after their production date, regardless of tread life. Tire manufacturers such as Continental and Michelin say a tire can last up to 10 years, provided you get annual tire inspections after the fifth year.

The Rubber Manufacturers Association says there is no way to put a date on when a tire "expires," because such factors as heat, storage and conditions of use can dramatically reduce the life of a tire."


Keep in mind automakers/tire companies are all in the business of making money.

In my uneducated opinion, I would monitor and run the tires until the tread depth is shot or performance is noticibly down. I would not base anything on a time or date.


2010 Subaru Sti 74,000km
2001 Toyota Echo 245,000km
Re: Snow Tire Life Span [Re: mcwilly] #4625512
01/06/18 01:05 AM
01/06/18 01:05 AM
Joined: Nov 2017
Posts: 378
North of you Idaho
KneeGrinder Offline
KneeGrinder  Offline
Joined: Nov 2017
Posts: 378
North of you Idaho
Originally Posted By: mcwilly
Mine are a bit older, the WS70.

Found this on edmunds.com:

"Carmakers such as Nissan and Mercedes-Benz tell consumers to replace tires six years after their production date, regardless of tread life. Tire manufacturers such as Continental and Michelin say a tire can last up to 10 years, provided you get annual tire inspections after the fifth year.

The Rubber Manufacturers Association says there is no way to put a date on when a tire "expires," because such factors as heat, storage and conditions of use can dramatically reduce the life of a tire."


Keep in mind automakers/tire companies are all in the business of making money.

In my uneducated opinion, I would monitor and run the tires until the tread depth is shot or performance is noticibly down. I would not base anything on a time or date.



They still make the WS line its WS80 now, and its a top notch tire.

As far as your uneducated opinion, its the same conclusion I have arrived to myself. I arrived there without any education either. I'm going on 6 years on the set of WS965's on my truck, they look almost new.


08 Tribeca 86k PUP 5w30 wix
06 Accord Hybrid 134k PPHM 0w20 wix
02 Chevy k3500 99k Delvac 1 esp 5w40 wix
00 F350 136k Delvac 1300 15w40 wix
Re: Snow Tire Life Span [Re: UG_Passat] #4625514
01/06/18 01:10 AM
01/06/18 01:10 AM
Joined: Nov 2017
Posts: 378
North of you Idaho
KneeGrinder Offline
KneeGrinder  Offline
Joined: Nov 2017
Posts: 378
North of you Idaho
Originally Posted By: UG_Passat
Originally Posted By: KneeGrinder
Originally Posted By: mcwilly
I have 7 year old Blizzaks with under 6,000kms on them. They still look and perform like new. Stored indoors when not in use./
Unless I notice any cracks or problems I will use them until the tread wears out. They are said to have 24,000mi lifespans (36,000kms) due to the super soft rubber. But at 1k kms a year they may last the life of the car.

I remember in the early 2000's I drove a 1978 mercury cougar on tires that had sat for over 10 years in a back alley for a whole year before they started going flat. Rubber in and of itself is not biodegradable, the only risk would be from the oils drying out and the tires cracking.



Blizzaks have a dual compound, the outer top "useful" layer is a silicate impregnated compound that gets softer as the temp gets lower. It is approximately 50% I believe, there should be a wear bar. After that, they are no longer the Blizzak you used to have. 24k would be an extremely long life span, but hopefully you may make that mark. Some people only get 5 to 7k, but they daily drive them.



The WE and DM are dual compound, with the high snow/ice traction multicell-tube compound. Then under that it's just a normal winter high silica compound.

The LM series are just a winter high silica compound.



I forget more than I remember. lol, there is always something to learn here on BITOG

I never heard of the LM series, I have, WS, and DM V-2's on the Subi


08 Tribeca 86k PUP 5w30 wix
06 Accord Hybrid 134k PPHM 0w20 wix
02 Chevy k3500 99k Delvac 1 esp 5w40 wix
00 F350 136k Delvac 1300 15w40 wix
Re: Snow Tire Life Span [Re: Finz] #4625515
01/06/18 01:17 AM
01/06/18 01:17 AM
Joined: Mar 2012
Posts: 5,546
Colorado Springs
edyvw Offline
edyvw  Offline
Joined: Mar 2012
Posts: 5,546
Colorado Springs
Originally Posted By: Finz
So, basically, itís all about tread wear. And cracks.

Good to know... thank you

Production date! Vendors and tire companies will argue that it is service date. Germany for example requires from vendors to stop selling tires pass 6 months of production date. Then vendors send them mostly outside EU, Russia, Ukraine, Moldova etc. or the U.S. where laws are more laxed.
There is a reason why there is restriction on DOT sale.


15' Toyota Sienna AWD (Mobil1 0W20 EP+ 2qt of M1 0W40 + FRAM Ultra).
11' VW Tiguan 2.0T (Castrol 0W40+MANN filter)
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