muz
Member Since: 01 Oct 2007
Location: Perth
Posts: 15
  
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| Cooper Zeon LTZ Cracking Warning |
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Just made the discovery that all of my Cooper Zeon LTZ 285 60 R18 tires had cracking below the treads on the sidewall.
Had two flats in a week and can see the same on the other 2 tires. I got about 45 000km's out of them. Plenty of tread left though.
Just wanted to share my experience ( you can find plenty of experiences like this on the web now with these tires)
Hopefully this post will warn others off these tires. It has certainly made sure I will never buy coopers again.
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 29th May 2012 1:36 am |
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THE DOCTOR46
Member Since: 21 Feb 2010
Location: Yorkshire
Posts: 624
 
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This only happens if the tyres have been run below there recommended pressure or stood for periods of time in very very hot condtions. Im surte if you speak to people over here we have never had problems with these tyres.
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| 29th May 2012 6:53 am |
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AJS4X4
Member Since: 30 Mar 2008
Location: Surrey
Posts: 3224
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Wow, that is not good, I am sure providing you purchased them from a tyre dealer as they ask for suppling dealer on the form you will be able to send the problem tyre/tyres back under complaint as you can in the UK and the rest of the world.
I feel it would have been fairer to go back to your dealer first to get his help on your problem.
This can be a problem with some purchases of Ebay as someone pointed out that when sending them back under complaint putting Ebay as the suppling dealer is not a great help.
I still say it's best to look after your local tyre dealers as you have direct contact and an invoice to back up any problems, also I am sure they will be happy to look after you with punctures and any wheel balance problems you may have, after all computers can't mend punctures.
Most tyre dealers will try to match any internet deals as you still have to pay someone to fit and balance, I hear some say my mate can fit these which is good for same as long as the job is done with care as after all you don't want your alloys marked.
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| 29th May 2012 7:10 am |
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THE DOCTOR46
Member Since: 21 Feb 2010
Location: Yorkshire
Posts: 624
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Good Answer Andy always support your local dealers.. But any tyre will crack if not run at the correct pressure .
Also these tyres have done 28000 miles!! But that could of been many different situations including some very very high temperatures over there and like i said if ran for that long with wrong pressure in any tyre would crack.
Alot of people never check there tyre pressure which should be done every now and again as the pressure will always drop and should be kept at optimum pressure for best results and life
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| 29th May 2012 7:44 am |
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geoff.
Member Since: 24 Jan 2010
Location: West kent
Posts: 8531
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both good answers
Muz
i think in the conditions you experience there in Australia and with the pressures run low at times its only natural for the carbon blacks and other components in the contruction of the tyre to dry out and crack and at 28k thats not to bad , but i would definitely get them back to the manufacture of the tyre to see if there is a problem in construction.
i had a problem a few back now with a certain size of van tyre my customer only run michelin and they went short and on back order and with 60 odd vans he needed something so i recommended Avon then low and behold within the first 6 weeks 17 blow outs all avon , by sending the tyres back avon the tech team determined it was 1 machine causing the problem in the manufactoring process it was found the machine was misting oil on to the casing causing tread separation and then blow out.
ps needless to say i was a bit red faced for my recommendation all ended well 100% refund and half the vans shod for free 
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| 29th May 2012 8:05 am |
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muz
Member Since: 01 Oct 2007
Location: Perth
Posts: 15
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The tyres haven't been run below their required pressure as I regularly do checks
But it is very hot and dry over here so that is probally the cause
Your comment about it never happening where you are is fine. You never get any heat in the UK. But for those in the rest of the world where it does get hot I would stay away from them.
Not interested in chasing the tyre dealer. I don't live near them anymore and I have just moved on. I just wanted to post my comments so others would be aware of a potential problem
Quote:
Most tyre dealers will try to match any internet deals as you still have to pay someone to fit and balance, I hear some say my mate can fit these which is good for same as long as the job is done with care as after all you don't want your alloys marked.
I laughed about the alloys marked comment. Scratched mine up years ago off road. Thats what these cars are for right?
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| 29th May 2012 8:13 am |
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geoff.
Member Since: 24 Jan 2010
Location: West kent
Posts: 8531
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 your so right about the weather over here mind you we got some good stuff at the moment should last a few more days
ps would be interested to see a picture of the cracking
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| 29th May 2012 8:16 am |
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muz
Member Since: 01 Oct 2007
Location: Perth
Posts: 15
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Sorry Geoff can't help you with a picture, told the dealer to throw the old ones away
basically the cracks form between the lugs about 1-3 inches long going from the sidewall around to between the lugs. All 4 tyres had multiple cracks of various sizes.
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| 29th May 2012 8:19 am |
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geoff.
Member Since: 24 Jan 2010
Location: West kent
Posts: 8531
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Muz thats a shame but never mind
as with my post about the Avon,s do you know who owns Avon tyres now  (Cooper)
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| 29th May 2012 8:23 am |
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AJS4X4
Member Since: 30 Mar 2008
Location: Surrey
Posts: 3224
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Beat me to it cocker.
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| 29th May 2012 9:10 am |
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scarry
Member Since: 20 Apr 2012
Location: Brisbane
Posts: 46
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Just for interest,how old were the tyres?
BFG A/T's often crack between the blocks,but they are usually at least 6 yrs old.
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| 29th May 2012 10:52 am |
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~Rich~
Member Since: 16 Mar 2009
Location: Sydney
Posts: 627
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I live over in Sydney and have not had this issue with my set at all.
Do quite a lot of both beach and rocky 4wding and no cracks appeared.
Just replaced them with a new set. 2005 TDV6 HSE Silver, LLAMS Height Controller, Tinted Glass, Onroad - 19" GG AT's, Offroad - 18" 275/65 MT, Traxside Dual Battery kit, Rasta Protection Plate, Alpine Roof, BAS Remap, ARB Air Compressor, eDiff  Custom Drawer and storage unit -http://www.box.com/s/jem0ilac3cner2mexq64 UHF CB, 4x4 Intellegence RWC, 120ltr Long range tank, Rock Sliders and Compressor protection plate Beanie grill, De Tango.
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| 30th May 2012 12:47 am |
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Disco4SE
Member Since: 23 Aug 2010
Location: Mt Martha Australia
Posts: 69
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Hey Muz,
I have the exact same tyres, so will keep an eye out for crackin etc. Mind you, they have only done about 3,000 Klm's.
Do you keep the vehicle garaged? If it is kept outside in the hot sun all the time, this could contribute to your problem. However, it should happen anyway.
Cheers, Craig[/b]
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| 30th May 2012 8:55 pm |
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trm
Member Since: 11 May 2006
Location: brisbane
Posts: 75
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I have a set which have now done 65k, and yes there are a number cracks in the tires around the luggs. I always took that as a consquence of the type of off roading I have done in the past, out west Simpson the highlands of Victoria, Cape York etc. and the high mileage they have now.
Yes I had two that developed a slow leak due to cracks no in the side wall, but the foot print. It was as a consequence of low pressure when doing a lot of kms in the Simpson Desert some years back and exisive heat that developed. To their credit the Cooper Tire distributor referred it to the manufacturer, and Cooper agree to swap under warranty, but only to 50%. I did not mind, as they had at that point done 30k.
I am getting a second set now for the next 3 week trip in June out west to WA.
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| 30th May 2012 10:15 pm |
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