Self Sealing Tyres

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Dorsetandy
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Post by Dorsetandy »

Picked my new Suite 60 with 20” Vega wheels last week. Within 50 miles had a small nail puncture - tyre sealed with some loss of pressure. Surprised to not to find a small compressor in the ‘toolkit’. Went to my local tyre depot who advised if tyre did not self seal when nail removed it would have to be replaced as self sealing tyres are not repairable. They ordered a replacement tyre as a precaution - unfortunately the tyre would not seal and had to be replaced at a cost of £220! Had this been a normal tyre it could have been plugged for a few pounds.

Checked with Dealer who confirmed self sealing tyres are not repairable. Also advised that Skoda has recently changed to self sealing tyres, so it might be worth checking what type is fitted. Also should you unfortunately have this type of tyre and suffer a puncture, chances are the tyre will have to be replaced. Also worth keeping a small tyre compressor in the car to top up pressure if access to a garage tyre inflator is not available.

I realise that it may actually be possible to repair a self sealing tyre but if is not recommended is it worth the risk? To mitigate future punctures have belatedly taken out tyre insurance.
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foot tapper
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Post by foot tapper »

Sorry that you have had this experience. We too have self-sealing tyres on 20" rims. Ours are Hankook Ventus S1 evo3 ev. A catchy name, eh!

Instead of paying £210 for the official Skoda tyre repair kit (made for Skoda by AirMan), we paid £30 for the "AirMan ResQ Emergency Tyre Repair Kit" (see well known on-line retailer). This includes the larger, 450ml pot of gunk, as the smaller pot is too small for Enyaq wheels.

The other item worth buying is this: "Car Charger Extension 3M Cable-Extra Long Cable 3.0 Metre with Female Inline Socket Connector Suitable to Power Tyre Inflators Vacuum Cleaners and Other Portable Equipment Premium Power Supply Lead" from the same on-line vendor.

As our Enyaq only has a 12Volt power socket in the boot, we needed the extension lead in case we need to get to the front nearside tyre.

Hope this helps.
Last edited by foot tapper on Tue Dec 07, 2021 1:52 pm, edited 1 time in total.
Best regards, FT
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RichR
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Post by RichR »

I found my cheap Aldi compressor exactly fits the cutout in the underfloor storage area where the Skoda one would go. Then a can of TyreWeld fits nicely by the towing eye. I've had these from previous cars where I haven't had a spare wheel because I've had them converted to LPG and the tank goes where the wheel was.
Enyaq iV 80 Sportline, Energy Blue, Assisted Drive Plus, Infotainment Plus, Convenience Plus, Comfort Seat Plus, Transport Pack, Heat Pump, ME3.2, Built Nov 2021.
Dorsetandy
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Post by Dorsetandy »

Thanks for the advice, will certainly purchase an Air man emergency kit and extension lead - good point about the 12 volt socket only being in the boot. Whilst these may mitigate the consequences of a puncture, the issue still appears to remain - a standard tyre can be repaired, providing the damage is not to the sidewall, a self sealing tyre will most likely have to be replaced. Thought my tyre problems might be over with the Enyaq - my VW Up GTi has low profile tyres fitted as standard and do not stand well to potholes on the M25 and here in Dorset.
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scratch113
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Post by scratch113 »

Dorsetandy wrote: Tue Dec 07, 2021 12:01 pm Picked my new Suite 60 with 20” Vega wheels last week. Within 50 miles had a small nail puncture - tyre sealed with some loss of pressure. Surprised to not to find a small compressor in the ‘toolkit’. Went to my local tyre depot who advised if tyre did not self seal when nail removed it would have to be replaced as self sealing tyres are not repairable. They ordered a replacement tyre as a precaution - unfortunately the tyre would not seal and had to be replaced at a cost of £220! Had this been a normal tyre it could have been plugged for a few pounds.

Checked with Dealer who confirmed self sealing tyres are not repairable. Also advised that Skoda has recently changed to self sealing tyres, so it might be worth checking what type is fitted. Also should you unfortunately have this type of tyre and suffer a puncture, chances are the tyre will have to be replaced. Also worth keeping a small tyre compressor in the car to top up pressure if access to a garage tyre inflator is not available.

I realise that it may actually be possible to repair a self sealing tyre but if is not recommended is it worth the risk? To mitigate future punctures have belatedly taken out tyre insurance.
Sadly you've been very poorly advised there - the self-sealing tyres are entirely repairable, exactly the same as a normal tyre, it's just a bit more of a faff for the technician and is undoubtedly more messy, which is why some can't be bothered when they can fleece you for the price of a new tyre.

I had a nail in the centre of a rear wheel just a few months ago on my Kodiaq which has the Pirelli Scorpion Verde tyres with seal inside tech. I first noticed it around a week before it was going in for a service when the pressure dropped a bit and the TPMS warned me of the low pressure. No idea how long the nail had already been in the tyre at that point as I topped it up and it then lasted another week before it warned me again.

When the car went in for its service, I was told about the nail, but as the pressure was fine it was just a warning that the nail was there. The Skoda dealer did tell me the same as you were told, that it wasn't repairable because of the seal inside and I prepared myself for a roughly £240 bill for a new tyre (235/45R20).

Over the next week, the pressure started to drop a bit more regularly to the point where I had to top it up to get me to work about a week after the service, but by the end of the working day the tyre was completely flat. Thankfully my car has a space saver spare, so I fitted that which got me home and back to work the following day.

I then took it in to my local KwikFit place (in Yeovil) and they told me I didn't need a new tyre, they could repair it. Took around 30 minutes at the end of which they told me they wouldn't even charge me for the repair! Wow, I lucked in there!!

It would depend on where the nail was (normal repair rules would apply as to how close to the sidewall the nail was), but assuming it was in the centre of the tread and less than a 6mm hole, then it's just a case of scraping the seal inside 'gloop' back to carry out a normal plug repair. Of course that area of the tyre then doesn't have the seal inside anymore should you be unlucky enough to get a nail in the same area, however what are the chances?

So in a nutshell, you were fleeced for £220 I would say...
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Pict
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Post by Pict »

Is there a code on the sidewall or some other indication that the tyres are self sealing.

I have the basic 19 inch wheels with Pirelli Scorpions and received the tyre kit (gunk and compressor) and can see no obvious marking on the tyre.

It was wet and dark last night while I was looking so a photo did not come out so well
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RichR
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Post by RichR »

I'm sure it says something like 'seal technology' on my 20" Hankook Ventus S1evo3 tyres. I can't quite make out the writing on the photos I've got either. No compressor or sealant supplied with my car.
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white67
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Post by white67 »

Just had the misfortune to find a screw in my tyre - and how screwed I was when I had no tyre repair kit in the car.
Luckily I got home before it all went flat on me.

Self seal isn't what it's cracked up to be and I'm surprised by the lack of kit - I'd have been stuck had I not got home.
Also have sufficient tools to remove the wheel and take it to a service location!

Fortunately I had insured the tyres when I got the car so a big saving there with Motoreasy.
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RichR
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Post by RichR »

As I've said before few times - most car manufacturers no longer supply spare wheels, jacks or wheelbraces. The various UK and European motor manufacturers did surveys and found that less than 1% of car owners would be prepared to change a tyre on their car, and quite a low percentage had ever had a puncture. So to save weight, cost, and boot space they stopped providing them with new cars, and provide you with breakdown cover. Modern tyres are far less prone to punctures and blowouts as the material and designs have evolved. Yes, there are exceptions to not being supplied with a spare, and on some makes you can pay extra to have one. If you're in that 1% who do want to change a wheel, then their view is that you're perfectly welcome to provide your own wheel and tools. Self seal tyres are a partial compromise, as are run-flats. They allow for some level of puncture protection without adding massively to the cost and weight.

Personally, I have added a 12V compressor (and extension lead!) and a couple of cans of TyreWeld. I haven't had a spare tyre in my last four cars (some due to having an LPG tank where the spare went, and the last two not having provision for one), and that gives me enough confidence that I could probably get going again in many situations, and I've got breakdown cover (both Skoda's and my own) that could get me to a tyre place or home to get something fitted even if it's not ideal.
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MikeJL
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Post by MikeJL »

I’m in that 1% & have purchased a space-saver spare. But as Skoda haven’t designed in a space for it, it now takes up a big chunk of the boot 😟
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