Old " new " tyres, dangerous? dot date numbers
Discussion
Just wanted to raise awareness about tyres which has suddenly been brought to light, to me anyway. i was about to bid on 2 Bridgestone Potenza S02 tyres which were being advertised as New and unused. On reading the advert i noticed it says Dot date was year 2000 !! 11 years old new tyres.
i read up on this and apparently old ( new) tyres are thought responsible for some car crashes in the USA. the recomendation seems to be do not use any tyre over 6 years old whatever the condition!!
It might be worth checking your tyres, and any "new" tyres that seem too cheap as they seem to be prone to blow outs.
i will also post this in the general forums area and Pistonheads
i read up on this and apparently old ( new) tyres are thought responsible for some car crashes in the USA. the recomendation seems to be do not use any tyre over 6 years old whatever the condition!!
It might be worth checking your tyres, and any "new" tyres that seem too cheap as they seem to be prone to blow outs.
i will also post this in the general forums area and Pistonheads
You see this a lot on caravans - the tyres tend to go "out of date" before they are worn out. Most caravan tyre blow outs are with "new tyres" that have been fitted for 5+ years, but lots of tread,
like most things, rubber degrades naturally over time, anyway thats what I said to my lad about when he was conceived
like most things, rubber degrades naturally over time, anyway thats what I said to my lad about when he was conceived
saddpj said:
Please excuse my ignorance, but how can I discover the age of my tyres. I have looked on the sidewall but cannot see a date. I am using Bridgestone Potenza SO3pp all round.
Foggy
Date of manufacture. This is important as the age of a tyre can affect its performance. The first 2 numbers refer to the month and the 3rd and 4th numbers refer to the year Foggy
HTH
Trev
Excitedoldgeezer said:
like most things, rubber degrades naturally over time, anyway thats what I said to my lad about when he was conceived
Tyre Tread said:
I've had my '99 Chim 4 years and nothad a rear set of tyres on it yet.
I took the wheels off a couple of weeks ago and noticed the tyre are stamped 4601!
They're still very legal but I'll be changing them as soon as its back on the road in a few weeks time.
Good to highlight this. Never really considered this but on checking found mine are all 01'sI took the wheels off a couple of weeks ago and noticed the tyre are stamped 4601!
They're still very legal but I'll be changing them as soon as its back on the road in a few weeks time.
Will also be changining mine.
Anyone know where the best deals are for tyres are at the mo?
Fronts on mine are 01's. I knew they were getting on as the previous owner replaced them.
Sidewalls are o.k, Very tiny cracks on the treads, will probably replace next year, which on my current annual mileage will be about 1,000 miles time.
The thing is what to replace them with, wrong speed rated Toyos or Dunflops. It's why I've stuck with what I have as long as possible as I don't fancy either.
Sidewalls are o.k, Very tiny cracks on the treads, will probably replace next year, which on my current annual mileage will be about 1,000 miles time.
The thing is what to replace them with, wrong speed rated Toyos or Dunflops. It's why I've stuck with what I have as long as possible as I don't fancy either.
Benjman, thank you once again. This time I decided to look at all four tyres and on only two of them did I find the appropriate DOT number. The other two were blank where the DOT number should have been. All four tyres look in good condition and are in good condition according to the MOT tester. I have owned the car for five and a half years and have not had to replace the tyres and it would appear that all four tyres were fitted at the same time.
Any thoughts?
Foggy
Any thoughts?
Foggy
saddpj said:
I have owned the car for five and a half years and have not had to replace the tyres and it would appear that all four tyres were fitted at the same time.
Any thoughts?
Remember that these are the only things stopping you from falling off the road and when they get old, they're probably harder and starting to perish. You don't want them to fail when you need them the most. Any thoughts?
Looking to replace mine also. My 1996 Chim has 4 Bridgestones all in good nick but manufactured in 2000. Been in touch with my local depot who advised irrespective of condition max age is 13 years. Like other members I currently average around 3000 miles a year and am looking to replace them with budget tyres probably Falken FK452. Have reviewed previous threads and agree Camskill is the way to go. Only problem is that they don't appear to stock 205/55/15 and the 225/55/16 at the rears is W rating. Any suggestions
Porthmog said:
Looking to replace mine also. My 1996 Chim has 4 Bridgestones all in good nick but manufactured in 2000. Been in touch with my local depot who advised irrespective of condition max age is 13 years. Like other members I currently average around 3000 miles a year and am looking to replace them with budget tyres probably Falken FK452. Have reviewed previous threads and agree Camskill is the way to go. Only problem is that they don't appear to stock 205/55/15 and the 225/55/16 at the rears is W rating. Any suggestions
Check with your insurer if they'll accept (assume) V rated and get it in writing. They know its getting harder to get the correct rated tyres.FFG
Good thread and lots of good info.
My Cerbera was on SO2PP's when I got it last May and I noticed that over the course of a few weeks the pressures would drop considerably. I figured I had a slow puncture but couldn't pinpoint it so went to my local friendly tyre shop. I was surprised to see the results; the tread we in perfect condition, hardly any wear but when he covered the tyres in soapy water it was like hundreds of little holes all over with air seeping through the seemingly good tyre. It turns out the rubber layers go hard over time but at different rates so the air can seep out slowly and hence seemingly slow punctures.
My Cerbera was on SO2PP's when I got it last May and I noticed that over the course of a few weeks the pressures would drop considerably. I figured I had a slow puncture but couldn't pinpoint it so went to my local friendly tyre shop. I was surprised to see the results; the tread we in perfect condition, hardly any wear but when he covered the tyres in soapy water it was like hundreds of little holes all over with air seeping through the seemingly good tyre. It turns out the rubber layers go hard over time but at different rates so the air can seep out slowly and hence seemingly slow punctures.
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