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Non Mini Tyres


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#1 maccers

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Posted 23 June 2017 - 09:50 AM

Wife's car/family car (the one i get my hands on when dirty/no fuel/something wrong with) got a slow puncture, or so the dash readout tells me. Been keeping an eye on it and topping up air to usual level - decided to take wheel off and have a look myself for anything obvious such as a nail. 

 

Could not see much, so taken to local tyre place for them to have a look. Tyre is 46/14 (end of 2014) car is new from March 2015. The inside side wall of the tyre is cracked beyond belief...! Not I know tyres do start to go off after a while, but in such a short time..?! 

 

Not sure if the others are the same, as only taken off the one car reports pressure loss. Loads of grip left on it, done about 15k miles, rear tyre on a RWD car. 

 

Am fully expecting to have to buy a new one, then will check the rest - not sure how safe or unsafe cracks on the side wall are? first MoT next year but not sure if i want to wait until then to find out...!



#2 nicklouse

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Posted 23 June 2017 - 10:34 AM

sounds like it has been run with too low pressures.

 

age has little to do with it. I have some 2007 tyres that are still OK (well tread is almost out but not quite).



#3 Mervyn

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Posted 26 June 2017 - 08:59 AM

It's got hot from being run at low pressure at high speeds for long periods

Tyres do age but this has hastened it. Bin it.

Just check the pressures weekly . Nobody bothers these days judging by the filthy mommy zafiras with last winter's salt on outside the school...

Show Mrs how to do tyre checks and how to top up screen wash , two most common things I see on school run, a particularly orange lady was squirting a bottle of Evian through her window the other week


I use a RaceX gauge and it's brilliant for the low price, check ebay

http://www.ebay.co.u...=item1c69b7a689

#4 Ethel

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Posted 26 June 2017 - 09:59 PM

Don't know if you're aware that tyre pressure warnings rarely measure pressure. They usually use the abs sensors to look for differences in the number of wheel rotations to distance travelled. More revs implies smaller effective wheel radius, and so a flatter tyre.

#5 Mervyn

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Posted 27 June 2017 - 11:52 AM

Modern and rwd he said, so I'm guessing Merc or BMW which both use TPMS

Merv

#6 maccers

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Posted 27 June 2017 - 02:06 PM

Yep, its a 2015 E250, they all have the tyre pressure sensors in them. Got it sorted now :-) 






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