gordonmpd Posted September 11, 2008 Posted September 11, 2008 Recently bought a zed from a Nissan dealer, on an 05 plate. Tyre treads looked okay, about 2K left in them at a guess. Standard tyres are fitted, car done 27K so probably not original (?) Took the car to a local tyre company to get the wheels balanced as I was not happy with handling, lost a weight. Once the wheels were off it was possible to see cracks in the base of the tread on all 4 tyres. Took the car back to the dealer who says that the tyres are OK, looked on another car on the forecourt, 6 months older, same problem. Anyone had this before on Bridgestone Potenza tyres? Any help much appreciated before I have a rare up with the dealer. Quote
Stew Posted September 11, 2008 Posted September 11, 2008 I think the original bridgestones had a problem There was a certain version that had a fault. Don't know the details I'm afraid! Quote
Sarnie Posted September 11, 2008 Posted September 11, 2008 Yeah it was the KZ and XZ models of the potenza's IIRC. But as far as I'm aware the issue was feathering and not cracking? Cracked tyres just sound like old tyres that need replacing maybe? Quote
Stew Posted September 11, 2008 Posted September 11, 2008 Surely if your local tyre place inspects them and says either way safe / unsafe then you can go to the dealer with that information. If they are unsafe and the garage has sold them then there could be implications in them selling a car that is not 'road worthy' Quote
martinmac Posted September 12, 2008 Posted September 12, 2008 Seems it has been known before. http://forums.evolutionm.net/archive/in ... 29922.html Welcome to the forum BTW. Quote
H5 Posted September 12, 2008 Posted September 12, 2008 Yeah it was the KZ and XZ models of the potenza's IIRC. But as far as I'm aware the issue was feathering and not cracking? Cracked tyres just sound like old tyres that need replacing maybe? +1 - sounds like the rubber has started to perish to me, and is down to one of two things - old rubber, or if another car on the same forecourt has it maybe there has been a spillage of something that has damaged the tyres. Welcome to the site too Quote
gordonmpd Posted September 12, 2008 Author Posted September 12, 2008 Thanks for the replys, I feel an argument coming on Quote
martinmac Posted September 12, 2008 Posted September 12, 2008 Just before we go down this raod again. http://www.350z-uk.com/forum/viewtopic.php?t=5589 Quote
gordonmpd Posted September 12, 2008 Author Posted September 12, 2008 Thanks but I looked at that particular thread before posting my original question and didn't find any specific link to Bridgstones cracking; just wanted to know if this was a common/known fault with portenza's Quote
GIXXERUK Posted September 12, 2008 Posted September 12, 2008 usually due to age and is an mot failure, not specific to stones either Quote
gordonmpd Posted September 13, 2008 Author Posted September 13, 2008 The date stamp on the tyres indicate week 26 2004. Ran into a friend of mine recently who works for Avon Tyres (now Coopers) in the test department, amongst other things says that he wouldn't expect 4 year old tyres to crack through age. Quote
Sarnie Posted September 13, 2008 Posted September 13, 2008 4 year old tyres I'd be replacing tyres that were that old irrespective of cracks or tread depth.... Quote
Beavis Posted September 13, 2008 Posted September 13, 2008 4 year old tyres I'd be replacing tyres that were that old irrespective of cracks or tread depth.... +1 A lot of tyres get effected by ultra violet light or whats commonly known as the sun over a period of time. Quote
Trev-the-Rev Posted September 13, 2008 Posted September 13, 2008 A further consideration is the harder the rubber the more quickly it will perish. And we all know how hard the Stones are Quote
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