MOT: Cracking around edge of tyres

Alloy wheels and tyre discussion
Probocop
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MOT: Cracking around edge of tyres

Post by Probocop » Wed Jun 05, 2019 11:57 am

I've got an MOT due pretty soon, and I've noticed some cracking around both front tyres. Judging by the mileage on the past few MOT's I think these tyres have probably been on a fair while...

Reckon this would be a fail?
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MOT: Cracking around edge of tyres

Post by Kernow-Z4 » Wed Jun 05, 2019 12:01 pm

Wouldnt imagine it would be an MOT failure, however if that were my car i'd take it as a sign the rubber is way past its best and starting to degrade.
A sports car like a Z4 rubber makes all the difference, maybe time to start shopping for new tyres? :)
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MOT: Cracking around edge of tyres

Post by Probocop » Wed Jun 05, 2019 12:03 pm

Oh yes - they will definitely be replaced (probably with a set of PS4's), however the MOT due date took me a little by surprise, and I'll likely not get chance to replace them first!
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MOT: Cracking around edge of tyres

Post by brillomaster » Wed Jun 05, 2019 1:09 pm

I reckon you'll be fine with an MOT - depending on the place it might not even be an advisory!

though that said, how old are the tyres? they'll have a week and year date stamp on them somewhere. if they're older than 5 years I'd look to get them replaced.

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MOT: Cracking around edge of tyres

Post by Smartbear » Wed Jun 05, 2019 5:24 pm

Hi, as far as i know it’s only a failure if the cords are showing :?
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MOT: Cracking around edge of tyres

Post by Mr Tidy » Wed Jun 05, 2019 9:26 pm

I can't see them getting you a fail, but as you say it's probably time they got changed!

Good luck with the test. :thumbsup:
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MOT: Cracking around edge of tyres

Post by ronk » Wed Jun 05, 2019 9:36 pm

As others have said it will probably be an advisory providing there aren't any lumps or bumps but personally i would throw them out!

If the MOT station does fail you then they will be doing you a favour in forcing your hand to be safe. :thumbsup:

Are they Vredesteins? I had them on a Disco3 and they deteriorated in the same way - The outside edges of the front tyres also started to wear- the geometry was perfect but it seems the unusual wear pattern was also due to that same deterioration/breakdown of the rubber composition.
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MOT: Cracking around edge of tyres

Post by buzyg » Wed Jun 05, 2019 11:30 pm

Smartbear wrote:
Wed Jun 05, 2019 5:24 pm
Hi, as far as i know it’s only a failure if the cords are showing :?
Rob
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MOT: Cracking around edge of tyres

Post by Leesfarm07 » Wed Jun 05, 2019 11:41 pm

Do you know if the mot can he failed on tyre age...checked my tyres on my Westfield and the Avon CR500's were manufactured in 2003 :o
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MOT: Cracking around edge of tyres

Post by Probocop » Thu Jun 06, 2019 9:58 am

Thanks for all the replies. It's booked in for an MOT on the current tyres, but I'll get them replaced soon 👍
ronk wrote:
Wed Jun 05, 2019 9:36 pm
Are they Vredesteins? I had them on a Disco3 and they deteriorated in the same way - The outside edges of the front tyres also started to wear- the geometry was perfect but it seems the unusual wear pattern was also due to that same deterioration/breakdown of the rubber composition.
Yup, they are indeed both Vredestein. I'll likely go Michelin next time.
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MOT: Cracking around edge of tyres

Post by Lance » Thu Jun 06, 2019 10:13 am

From the gov site,

2.12 Tyres and wheels
These will be inspected to check for:

condition
security
tyre size and type
tread depth
Spare wheels and tyres are not inspected.

Vehicles first used on or after 1 January 2012 will be checked to make sure the tyre pressure monitoring system (TPMS) MIL is working.

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MOT: Cracking around edge of tyres

Post by kis » Thu Jun 06, 2019 10:23 am

Will pass no problems IMO... don't even think they'll come up as an advisory!
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MOT: Cracking around edge of tyres

Post by Busterboo » Thu Jun 06, 2019 10:55 am

Leesfarm07 wrote:
Wed Jun 05, 2019 11:41 pm
Do you know if the mot can he failed on tyre age...checked my tyres on my Westfield and the Avon CR500's were manufactured in 2003 :o
Most manufacturers' recommended maximum is 6 years, not 16. :rofl:
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MOT: Cracking around edge of tyres

Post by Smartbear » Thu Jun 06, 2019 10:20 pm

Busterboo wrote:
Thu Jun 06, 2019 10:55 am
Leesfarm07 wrote:
Wed Jun 05, 2019 11:41 pm
Do you know if the mot can he failed on tyre age...checked my tyres on my Westfield and the Avon CR500's were manufactured in 2003 :o
Most manufacturers' recommended maximum is 6 years, not 16. :rofl:
I don’t think they would fail it for that, the inspection is based on condition not age :thumbsup:
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MOT: Cracking around edge of tyres

Post by Busterboo » Fri Jun 07, 2019 9:50 am

Smartbear wrote:
Thu Jun 06, 2019 10:20 pm
Busterboo wrote:
Thu Jun 06, 2019 10:55 am
Leesfarm07 wrote:
Wed Jun 05, 2019 11:41 pm
Do you know if the mot can he failed on tyre age...checked my tyres on my Westfield and the Avon CR500's were manufactured in 2003 :o
Most manufacturers' recommended maximum is 6 years, not 16. :rofl:
I don’t think they would fail it for that, the inspection is based on condition not age :thumbsup:
Rob
True, Rob.

For what it's worth, though, my experience of old tyres is that they not only decay at the edges, but also crack between the treads. So, you're driving round on rubber compound that, when it fails, fails 'catastrophically'.

Put another way, who'd want to risk their lives on crappy old tyres anyway?
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