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Jvenrick 01-05-2012 12:02 AM

5 tire rotation
 
Hey guys so I just picked up 5 new tires and the guy at the shop recommended doing a 5 tire rotation. Maybe this is a stupid question but is this a common thing to do? It makes sense that it could help with the life of the tires, I just have never heard of someone doing this. Also is there a method to where the#5 tire gets placed when rotated in?

SvenskaJeepGuy 01-05-2012 03:58 AM

Re: 5 tire rotation
 
some shops recommend it, some dont. it is all up to personal preference i guess

http://www.procarcare.com/images/sha...a/8852og19.gif

NHWK05 01-05-2012 11:44 AM

Re: 5 tire rotation
 
Its recommended so that you have even tire wear on all 5 tires. Think of it this way. If you have all 4 tire rotated regularly (every 5 to 6k miles) they will all wear at even rates. If you have a full size matching spare then when those 4 tires on the vehicle are say 50% or 5 to 6/32nds of tread remaining the spare will still be nearly brand new with 100% to 12+ 32nds remaining.

Some people dont care about that but on AWD and 4x4 vehicles its not recommended to have any one tire be more then 4/32nds tread more or less then any other tread. This is because the diameter of all 4 tires should never be more then 4/32nds different overall diameter. With AWD and 4x4 vehicles especially those with any kind of sophisticated four wheel drive system or traction control the vehicle needs to use the tire diameter to determine slippage and traction control use. if one or more tires have a different diameter large enough then it can cause the vehicle to get different readings from those tires and potentially damage the 4x4 system.

It would end up thinking 1 or more tires are slipping when they are not. it can also cause the physical 4x4 components to potentially be damaged because its trying to spin 2 tires on one axle with one tire being smaller then the other and wanting to spin more then the larger tire on the axle.

Will any of this really happen for that few miles you may need to drive when you use your spare and the other tires are worn down? Most likely not. but it is a possibility that it can happen while on pavement. this would be especially bad on any vehicle with a locking differential or Quadra Drive system.

This is why most reputable tire shops will not install 2 new tires on an AWD suv or truck and 2 used tires if there is more then 4/32nds tread depth difference.

Jvenrick 01-05-2012 11:27 PM

Re: 5 tire rotation
 
Great thanks a lot guys. That makes perfect sense.


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