Front or Rear?

neveramsure replied on 01/03/2018 13:29

Posted on 01/03/2018 13:29

After reading the thread re tread depth, I noticed some members saying they swapped tyres front to rear to get even wear.

Yesterday my sister's car needed two rear tyres and she asked the fitter to put the new ones on the front and move the front ones with 4mm of tread onto the back.

The fitter said he would do it if she insisted but he recommended that she put the new ones at the rear, even though it is a front wheel drive Mondeo.

I have always put the deepest treads on the front, my logic being that when towing, I need all the grip I can get at the front.

What is your opinion please?

Tinwheeler replied on 01/03/2018 13:39

Posted on 01/03/2018 13:39

I’m inclined to agree with you, Nevers. Front tyres on FWD cars wear fastest so I think it makes sense to even out the wear by having the better tyres on the driving wheels.

Metheven replied on 01/03/2018 13:43

Posted on 01/03/2018 13:43

I would have thought so as well concerning wear............. but Kumho disagrees on safety grounds.

<LINK>

But it's so debatable depending on your reasons, cost, grip, safety, wet or dry handling undecided

DougS replied on 01/03/2018 13:53

Posted on 01/03/2018 13:53

Kumho say new ones on rear:

http://kumhotyre.co.uk/kumho-news/should-you-fit-new-tyres-to-the-front-or-rear/

AA say best/new ones on rear:

https://www.theaa.com/driving-advice/safety/car-tyres

Kwik Fit say best on rear:

https://www.kwik-fit.com/tyres/information/tyre-rotation

 

Pretty conclusive unless results lower down say different or you don't trust any of them as "fake news"?

Edit: beaten to it by about 5 seconds...

neveramsure replied on 01/03/2018 13:58

Posted on 01/03/2018 13:43 by Metheven

I would have thought so as well concerning wear............. but Kumho disagrees on safety grounds.

<LINK>

Posted on 01/03/2018 13:58

Thanks for the links Metheven and Doug, an interesting theory.

I understand their logic but would think that when towing you need more grip on the drive wheels.undecided

Metheven replied on 01/03/2018 14:03

Posted on 01/03/2018 14:03

I agree that probably these tests are cars driven solo, but if the correct noseweight is upheld regarding the cars axle/suspension limits then there should be minimal scrabbling of the front drive.

I have seen towing vehicles with the rear suspension down and a big gap at the front between tyre and wheel arch, in which case I would need all the tread I could get laughing including a prayer or two.

Also a caravan that gets a sway on would also need maximum grip of the rear axle wheels, especially on a wet surface and/or in windy conditions.

neveramsure replied on 01/03/2018 14:06

Posted on 01/03/2018 14:03 by Metheven

I agree that probably these tests are cars driven solo, but if the correct noseweight is upheld regarding the cars axle/suspension limits then there should be minimal scrabbling of the front drive.

I have seen towing vehicles with the rear suspension down and a big gap at the front between tyre and wheel arch, in which case I would need all the tread I could get laughing

Posted on 01/03/2018 14:06

Oops, that must have been my sister.laughinglaughing

 

Just kidding sis.wink

EmilysDad replied on 01/03/2018 14:09

Posted on 01/03/2018 14:09

Michelin recommend new tyres to the rear whether front or rear wheel drive. I agree with the comments above though & given the choice would have the new tyres fitted to the front on the basis that if the front of the car goes where I was it to, the rear  has to follow. Costco will only fit new tyres to the rear ..... assuming same size front & rear.

Freedom a whitebox replied on 01/03/2018 14:15

Posted on 01/03/2018 14:15

Think it really depends on the vehicle.

Nissan recommend that the tyres are swapped same-side back to front every three to five thousand miles, to even out the wear so that the circumferences of the tyres stays the same. This is to ensure that when four-wheel drive is engaged, the risk of transmission “windup” is reduced. The Navara doesn’t have a central differential with slip. This means that drive to the back and front is evenly split at 50/50. Unequal sizes could result in either one set driving the others forcibly inducing wear or damage to the drivetrain.

My original tyres have now nearly completed thirty five thousand miles and 1mm above the wear bars in the treads and about to be replaced. Not bad for a set of tyres. Could never achieve that with the car.

 

tigerfish replied on 01/03/2018 15:38

Posted on 01/03/2018 15:38

Like many others, I was always told to fit the new tyres to the front, this advice remained the same whether or not the car was front wheel drive.  I don't know what has changed to alter that.

Luckily my Merc ML wears its tyres at exactly the same rate front and rear and to the same profile. You couldn't tell front from rear.

But of course the big disadvantage is that you are always saddled with buying 4 tyres at once!

I would like to hear the official reason for the changed advice to fit new tyres to the rear.

TF

Randomcamper replied on 01/03/2018 15:48

Posted on 01/03/2018 15:48

The rear tyres on a front wheel drive car will wear out far more slowly than the front ones.

Therefore if you keep fitting the new tyres to the front, you will be left with rear tyres that may  have more than the legal tread limit but become quite physically old ......

I therefore fit the new tyres to the rear and move the rear tyres to the front, allowing them in turn to wear and so get replaced....

This is what we also do with a large fleet at work....

 

 

And for what it's worth this lifted from the AA website....

"New tyres to the front or back?
Check your handbook first but if it doesn’t give any specific advice then, whether your car’s front-wheel drive or rear-wheel drive the best/newest tyres should be on the back.

Making sure you have your best tyres on the back will favour ‘understeer’ rather than ‘oversteer’ when grip is limited such as in very wet or cold conditions.

Understeer – the car tends to go straight on even though you’re turning the wheel.
Oversteer – the back end breaks free and the car is likely to spin.
Tyres with deeper tread grooves are less likely to puncture too and it's more difficult to control a car with a damaged rear tyre than one with a damaged front tyre".

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