Unidirectional tyres fitted the wrong way round. Dangerous?
Unidirectional tyres fitted the wrong way round. Dangerous?
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rouge59

Original Poster:

332 posts

156 months

Tuesday 20th May 2014
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My Boxster has just failed it's MOT because the rears fitted by my local Porsche Indy are on the wrong way round.

Last year I put some winter tyres on the car & bought some new wheels & summer tyres which were fitted by the garage about 6 weeks ago.

I've just been round there & they're going to sort it out & get it retested, but I'm trying to ascertain if we've been put in danger due to their incompetence.

MacW

1,351 posts

205 months

Tuesday 20th May 2014
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If you have been killed at least once in the last 6 weeks then I would suspect they put you in danger.

Oh... you haven't recently had a chat with the service manager about the amount of time you spend reversing have you?

Monty Python

4,813 posts

226 months

Tuesday 20th May 2014
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No - fitting it the wrong way round isn't dangerous.

http://www.theaa.com/motoring_advice/safety/direct...

rouge59

Original Poster:

332 posts

156 months

Tuesday 20th May 2014
quotequote all
Monty Python said:
No - fitting it the wrong way round isn't dangerous.

http://www.theaa.com/motoring_advice/safety/direct...
Thanks for the link; the car certainly hasn't felt odd to drive, but the MOT failure sheet has 'DANGEROUS' on in large capitals, so I did wonder.

TurboHatchback

4,236 posts

182 months

Tuesday 20th May 2014
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There seems to be a fairly obvious solution, just swap the rear wheels over. Then they will be fitted the correct way round.

Bennet

2,133 posts

160 months

Tuesday 20th May 2014
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The point of tyre tread is to channel water out from under the tyre. Running the treads in the opposite direction will presumably not do the job anything like as well.

VeeDubBigBird

440 posts

158 months

Tuesday 20th May 2014
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In normal conditions its no big deal, but when driving in the rain, slush or snow, it would nullify the whole purpose of having paid extra for winter tyres as the tread really is the major difference.

Like Bennett said their designed to push water and such like away from the tyre, on the wrong way and you may as well just stick with standard tyres.

Bit of a rookie mistake for a dealership as can be resolved by simply switching the wheels around, i'd be looking for some kind of comp.

Monty Python

4,813 posts

226 months

Tuesday 20th May 2014
quotequote all
TurboHatchback said:
There seems to be a fairly obvious solution, just swap the rear wheels over. Then they will be fitted the correct way round.
It depends - some directional tyres also have an "inside" and an "outside", so swapping them around won't work.

http://www.ctyres.co.uk/tyre_info/asimetrical_tyre...

Mr2Mike

20,143 posts

284 months

Tuesday 20th May 2014
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VeeDubBigBird said:
Bit of a rookie mistake for a dealership as can be resolved by simply switching the wheels around, i'd be looking for some kind of comp.
rolleyes

Compensation for what?

heebeegeetee

30,133 posts

277 months

Tuesday 20th May 2014
quotequote all
rouge59 said:
My Boxster has just failed it's MOT because the rears fitted by my local Porsche Indy are on the wrong way round.

Last year I put some winter tyres on the car & bought some new wheels & summer tyres which were fitted by the garage about 6 weeks ago.

I've just been round there & they're going to sort it out & get it retested, but I'm trying to ascertain if we've been put in danger due to their incompetence.
If you decide that you have, what would yo be looking for in recompense?

new_bloke

453 posts

313 months

Tuesday 20th May 2014
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rouge59 said:
<snip>

...but I'm trying to ascertain if we've been put in danger due to their incompetence.
Depends if you want to stay on good terms with this indy and use them in the future. That kind of statement smacks of 'where there's blame, there's a claim' attitude, which doesn't make ongoing relationships easy...
Same thing happened to me on my bike - new rear tyre fitted the wrong way round. I wasn't killed (even once), took it back the next week - tyre refitted correctly and I was on my way. It's an easy enough mistake to make and easily rectified.
If they'd sent you on your way with loose wheel nuts that'd be a different story...
Take it easy in the wet, but I'd really be surprised if it made a massive difference to the handling. Certainly not enough for you to have noticed before the MOT.

Edited by new_bloke on Tuesday 20th May 15:01

SMcP114

2,916 posts

221 months

Tuesday 20th May 2014
quotequote all
VeeDubBigBird said:
In normal conditions its no big deal, but when driving in the rain, slush or snow, it would nullify the whole purpose of having paid extra for winter tyres as the tread really is the major difference.

Like Bennett said their designed to push water and such like away from the tyre, on the wrong way and you may as well just stick with standard tyres.

Bit of a rookie mistake for a dealership as can be resolved by simply switching the wheels around, i'd be looking for some kind of comp.
What in the name of god are you on about? Compensation for what?

Jesus Christ.

Seb d

616 posts

226 months

Tuesday 20th May 2014
quotequote all
Monty Python said:
It depends - some directional tyres also have an "inside" and an "outside", so swapping them around won't work.

http://www.ctyres.co.uk/tyre_info/asimetrical_tyre...
No, directional tyres do not have an inside an outside as the tread is the same across the tyres. When fitting the tyres, the only thing that matters is that all the tread is pointing in the same, correct direction. Once on the car though, you can't swap left to right as they're be pointing the wrong way - in this case swapping the rears from left to right will solve the problem as the tyres are pointing the wrong way. With asymmetric tyres, they need to be fitted to the wheel in the correct inside/outside orientation, but once on the wheels can be swapped over if needed as the outside will always be on the outside.

LordHaveMurci

12,336 posts

198 months

Tuesday 20th May 2014
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Well it IS hard to tell the front of a Boxster from the back boxedin

Jim AK

4,029 posts

153 months

Tuesday 20th May 2014
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Just realised the local car wash jockey has put my floor mats in the wrong footwells.

GET ME MY LAWYER!!!!

Captain Muppet

8,540 posts

294 months

Tuesday 20th May 2014
quotequote all
SMcP114 said:
VeeDubBigBird said:
In normal conditions its no big deal, but when driving in the rain, slush or snow, it would nullify the whole purpose of having paid extra for winter tyres as the tread really is the major difference.

Like Bennett said their designed to push water and such like away from the tyre, on the wrong way and you may as well just stick with standard tyres.

Bit of a rookie mistake for a dealership as can be resolved by simply switching the wheels around, i'd be looking for some kind of comp.
What in the name of god are you on about? Compensation for what?

Jesus Christ.
Well you'd obviously want something to make up for a month and a half of blissful ignorance.

I wouldn't settle for anything less than the chap responsible looking a bit embarrassed. I might push as far as wanting him to look a little ashamed too.

MacW

1,351 posts

205 months

Tuesday 20th May 2014
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Captain Muppet said:
Well you'd obviously want something to make up for a month and a half of blissful ignorance.

I wouldn't settle for anything less than the chap responsible looking a bit embarrassed. I might push as far as wanting him to look a little ashamed too.
It's people like you with your sense of entitlement that are ruining our once-great country!

TooMany2cvs

29,008 posts

155 months

Tuesday 20th May 2014
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Monty Python said:
It depends - some directional tyres also have an "inside" and an "outside", so swapping them around won't work.
There's a hell of a lot of directional tyres on the market, there's a hell of a lot of assymetric tyres on the market - but the number of assymetric _and_ directionals is tiny, not least because it'd require twice as many stock lines, LH and RH.

Captain Muppet

8,540 posts

294 months

Tuesday 20th May 2014
quotequote all
MacW said:
Captain Muppet said:
Well you'd obviously want something to make up for a month and a half of blissful ignorance.

I wouldn't settle for anything less than the chap responsible looking a bit embarrassed. I might push as far as wanting him to look a little ashamed too.
It's people like you with your sense of entitlement that are ruining our once-great country!
Yeah?*




* sorry for short reply, trying to claim for RSI on this keyboard.

C.A.R.

3,992 posts

217 months

Tuesday 20th May 2014
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Are we talking about tyres which could easily just be swapped n/s to o/s or with the tyre on the wheel incorrectly?

If you can't swap two wheels over then you need to hand in your PH membership, and your dignity all at once!

rouge59 said:
I've just been round there & they're going to sort it out & get it retested, but I'm trying to ascertain if we've been put in danger due to their incompetence.
Hahaha, what a pillock.

The very most I'd expect them to do is swap the tyres over and not keep you waiting or charge you. Hopefully they won't laugh at your inadequacies either...
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