Screw in run flat
Discussion
Pickled Piper said:
As others have stated, try one of the smaller tyre chains or an independent.
pp
I can't quite understand why people are arguing the toss but then it is PH after all I suppose where people will start an argument with themselves if it suits. Like you said, just find someone that will, it ain't difficult.pp
The big companies do not repair run flats as per advice of the tyre manufacturers. Why would they want to go against their advice and risk legal action by an owner or insurance company if they have an accident.
Fact is if you have a puncture you cannot tell until the tpm warns you, by then you would have already driven the tyre many miles at low pressure likely affecting the structural integrity of the sidewall.
You will not be definitely be able to tell if the sidewall integrity has been affected just by looking on the inside of the tyre when off the rim you'll need a microscope for that !.
Anyway run flats are not designed to be removed from the rim without damaging the bead. You will be lucky if the tyre fitter doesn't .
So in summary the cons outweigh the pros, stay away from run flats if you have a choice.
Fact is if you have a puncture you cannot tell until the tpm warns you, by then you would have already driven the tyre many miles at low pressure likely affecting the structural integrity of the sidewall.
You will not be definitely be able to tell if the sidewall integrity has been affected just by looking on the inside of the tyre when off the rim you'll need a microscope for that !.
Anyway run flats are not designed to be removed from the rim without damaging the bead. You will be lucky if the tyre fitter doesn't .
So in summary the cons outweigh the pros, stay away from run flats if you have a choice.
GX337 said:
The big companies do not repair run flats as per advice of the tyre manufacturers. Why would they want to go against their advice and risk legal action by an owner or insurance company if they have an accident.
Fact is if you have a puncture you cannot tell until the tpm warns you, by then you would have already driven the tyre many miles at low pressure likely affecting the structural integrity of the sidewall.
You will not be definitely be able to tell if the sidewall integrity has been affected just by looking on the inside of the tyre when off the rim you'll need a microscope for that !.
Anyway run flats are not designed to be removed from the rim without damaging the bead. You will be lucky if the tyre fitter doesn't .
So in summary the cons outweigh the pros, stay away from run flats if you have a choice.
Only you're completely wrong. From Bridgestone's website:Fact is if you have a puncture you cannot tell until the tpm warns you, by then you would have already driven the tyre many miles at low pressure likely affecting the structural integrity of the sidewall.
You will not be definitely be able to tell if the sidewall integrity has been affected just by looking on the inside of the tyre when off the rim you'll need a microscope for that !.
Anyway run flats are not designed to be removed from the rim without damaging the bead. You will be lucky if the tyre fitter doesn't .
So in summary the cons outweigh the pros, stay away from run flats if you have a choice.
http://www.runflat.eu/english/qa/
Subject to criteria, Bridgestone say it's perfectly possible to repair an RFT. So far I've obviously been extremely 'lucky' with three separate removals and not once has the bead been damaged.
GX337 said:
They don't give a straight answer..
Well of course they don't give a straight yes or no answer, they're not going to are they?! And I said as much in my reply, 'subject to certain criteria' so you're just repeating what I've said, nice one. However, what they don't say is no you can't which is what you're saying.
[quote]..they want you to have the tyre inspected by a Bridgestone dealer, which usually means no repair !
What is it with this website and people not reading what's written?
Edited by Osinjak on Saturday 23 August 10:02
Edited by Osinjak on Saturday 23 August 10:03
Trumpethead said:
Ok, what if one of my tyre goes flat and my local doesn't repair it advises to go for new tyre. Instead of replacing it with another RFT costing £300 can I Putin a conventional tyre on just that one and other three being RFT I.e can I mix mash to keep cost down.
'Putin'? 
I would say no. Whilst it may not be a recipe for disaster mixing RFTs and conventional tyres on the same axle it won't be far off, there's a world of difference between the two. If nothing else, I'll wager it would feel extremely odd.
GX337 said:
The big companies do not repair run flats as per advice of the tyre manufacturers. Why would they want to go against their advice and risk legal action by an owner or insurance company if they have an accident.
Fact is if you have a puncture you cannot tell until the tpm warns you, by then you would have already driven the tyre many miles at low pressure likely affecting the structural integrity of the sidewall.
You will not be definitely be able to tell if the sidewall integrity has been affected just by looking on the inside of the tyre when off the rim you'll need a microscope for that !.
Anyway run flats are not designed to be removed from the rim without damaging the bead. You will be lucky if the tyre fitter doesn't .
So in summary the cons outweigh the pros, stay away from run flats if you have a choice.
Absolute garbage! Why do people post stuff they can't possibly know to be true?Fact is if you have a puncture you cannot tell until the tpm warns you, by then you would have already driven the tyre many miles at low pressure likely affecting the structural integrity of the sidewall.
You will not be definitely be able to tell if the sidewall integrity has been affected just by looking on the inside of the tyre when off the rim you'll need a microscope for that !.
Anyway run flats are not designed to be removed from the rim without damaging the bead. You will be lucky if the tyre fitter doesn't .
So in summary the cons outweigh the pros, stay away from run flats if you have a choice.
Several manufactures, including Michelin, endorse the repair of punctured RFTs as long as they are inspected and deemed to be other wise undamaged by a trained repairer, in accordance with BS159. Some manufacturers won't approve repairs but they have no technical reasons for doing so.
The TPMS will tell you of a puncture well before the pressure has fallen far enough to cause the tyre any damage and as long as the tyre is prevented from falling below 1bar or so it will be fine.
A visual inspection will reveal any damage caused by running under inflated. A microscope? Laughable.
Your last point is absolute rubbish. I have removed, repaired and replaced RFTs without damaging beads as could any tyre fitter worth his salt. Many tyre dealers repair them and those who don't, only don't for commercial reasons. There are widely available kits and materials available specifically for repairing RFTs.
REALIST123 said:
Your last point is absolute rubbish. I have removed, repaired and replaced RFTs without damaging beads as could any tyre fitter worth his salt. Many tyre dealers repair them and those who don't, only don't for commercial reasons. There are widely available kits and materials available specifically for repairing RFTs.
It's an interesting one. Someone earlier suggested that the High St names won't touch them because they make no money out of the repairs and it's easier to sell someone a new tyre which is entirely plausible of course. However, for the more savvy amongst us, who know that RFTs can be repaired, we'll seek out that tyre company who will repair an RFT. More often than not, it's an independent company rather than Kwik Mong for example so now that I've found an indy that'll happily repair my tyres guess where I'll go next for my new set of tyres? I don't begrudge paying a little extra either (as it turned out my local bloke charged me £15 less per tyre than Merityre), good service deserves good custom and I'm happy to pay it.I know it's impossible but my wife's E92 seemed to pick up punctures almost every other week when she had run flats on it. We switched to regular Contis and apart from transforming the car into one that rides a million times better it hasn't suffered a single puncture since. Shirley it's just coincidence, but I have read similar stories from other PHers.
bennyboydurham said:
I know it's impossible but my wife's E92 seemed to pick up punctures almost every other week when she had run flats on it. We switched to regular Contis and apart from transforming the car into one that rides a million times better it hasn't suffered a single puncture since. Shirley it's just coincidence, but I have read similar stories from other PHers.
Do you know what? I've found this as well! I can't remember the last time I had a puncture before I bought a car with RFTs, weird huh?
Osinjak said:
REALIST123 said:
Your last point is absolute rubbish. I have removed, repaired and replaced RFTs without damaging beads as could any tyre fitter worth his salt. Many tyre dealers repair them and those who don't, only don't for commercial reasons. There are widely available kits and materials available specifically for repairing RFTs.
It's an interesting one. Someone earlier suggested that the High St names won't touch them because they make no money out of the repairs and it's easier to sell someone a new tyre which is entirely plausible of course. However, for the more savvy amongst us, who know that RFTs can be repaired, we'll seek out that tyre company who will repair an RFT. More often than not, it's an independent company rather than Kwik Mong for example so now that I've found an indy that'll happily repair my tyres guess where I'll go next for my new set of tyres? I don't begrudge paying a little extra either (as it turned out my local bloke charged me £15 less per tyre than Merityre), good service deserves good custom and I'm happy to pay it.bennyboydurham said:
I know it's impossible but my wife's E92 seemed to pick up punctures almost every other week when she had run flats on it. We switched to regular Contis and apart from transforming the car into one that rides a million times better it hasn't suffered a single puncture since. Shirley it's just coincidence, but I have read similar stories from other PHers.
9 years of driving on RFT. One screw in the centre of the tread in the whole of that time. Puncture picked up by the TPMS but only after that tyre was hot to the touch. Fortunately, the tyre was near the end of its life anyway.
False Correlation is not Causation.
Oh, the screw was from my own drive. I dropped it while replacing one that fastened the wheel arch liner in place
ftypical said:
9 years of driving on RFT. One screw in the centre of the tread in the whole of that time.
Puncture picked up by the TPMS but only after that tyre was hot to the touch. Fortunately, the tyre was near the end of its life anyway.
False Correlation is not Causation.
Oh, the screw was from my own drive. I dropped it while replacing one that fastened the wheel arch liner in place
Actually that should read correlation is not causation. You can have a perfect correlation value (R squared) of 1 but it still doesn't mean causation. What you could say is that to suggest correlation proves causation is false not false correlation is not causation. You can correlate virtually anything but the strength of it is somewhat variable.Puncture picked up by the TPMS but only after that tyre was hot to the touch. Fortunately, the tyre was near the end of its life anyway.
False Correlation is not Causation.
Oh, the screw was from my own drive. I dropped it while replacing one that fastened the wheel arch liner in place
Edited by Osinjak on Saturday 30th August 23:44
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