Tyre blowout

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Tyre blowout

Postby Oldiebut goodie » 25 Jun 2018, 21:22

Had a tyre blowout on my seventh wheel (spare)on the Merc yesterday, heard a loud bang whilst I was inside the house but couldn't work out what it was. Found this today:

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Re: Tyre blowout

Postby 937carrera » 25 Jun 2018, 21:55

Was it a very old /perished tyre ?
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Re: Tyre blowout

Postby Oldiebut goodie » 25 Jun 2018, 22:34

It was old but not perished nor worn. They are all due to be changed anyway as I going to sell it but a bit frightening to get a blowout whilst hanging on the rear door. I had checked the pressure last month. Makes me wonder if it was shot at! :shock: It is only about two foot from the windscreen of the VW van so good job the blast went the other way.
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Re: Tyre blowout

Postby Dubworth » 28 Jun 2018, 14:23

Scary stuff...Was only talking to my friend who runs a tyre place about old tyres and their safety the other day, even if never used the rubber compound itself goes off and loses a lot of its properties and they become weaker/less grippy, maybe that plus the recent heat finished it off.
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Re: Tyre blowout

Postby CJH » 28 Jun 2018, 14:30

I had a bicycle tyre do that on me one evening. I spent ages looking for whatever must have fallen over to make such a loud bang. Found out it was the tyre exploding when I went to cycle to work the next morning.
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Re: Tyre blowout

Postby hightop ratty » 28 Jun 2018, 14:41

All tyres have a DOT number on them telling you the week & year they were made - 7 yrs is the expected life span.
Changed a pair on another of my vehicles the other day - brilliant tread but crumbling (think they were put on as part worns, by guy who sold it to me - prob been on a low mileage car - looked good with fresh tyre paint as 2nd hand car dealers do - but not much cop).
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Re: Tyre blowout

Postby Oldiebut goodie » 28 Jun 2018, 16:57

I think that it was because it was on the rear door of my Merc between that and my VW with a small gap and the heat built up inside the cover and in the gap, that coupled with the very high air temperatures and old age is what happened. If it hadn't been inflated to the max as you tend to do with the spare I most probably would have got away with it - no loss as a new set of 7 was on the cards shortly anyway but it was unexpected.
Believe it or not it runs on exactly the same tyres as our vans.
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