I think the mechanic put the right front on the left rear and the left front on the right rear.
I thought criss-cross went out 30 years ago with bias ply tires?
Am I wrong radial tires are supposed to live their life on the same side of the vehicle?
No, they still do that except for "Directional" type radials.
No Dave,
With today’s tires the LEFT rear goes on the LEFT front, likewise with the RIGHT side. The suspension system of today’s vehicles dictates this.
Have a great weekend.
the plot thickens...
you learn something new everyday I guess.
The owner's manual calls for the right front to go to the right rear, right rear to left front, left front to left rear, left rear to right front.
But the rear tires are on backwards (they have rotation arrows printed on the tire). These are Michelin tires on a Ford Windstar van. The front tires are on the correct way.
Next time no directional tires needed.
It looks like the fronts are supposed to stay on the same side and the rears are supposed to switch sides (when going to the front). If they did it right then I would think the rears would be going the correct way and the fronts the wrong way. Besides I know the right rear was on the left front.
I guess mechanics don't get any training just like button-pushing "party chiefs."
On a Windstar then I doubt that it matters. 🙂
dp
the plot thickens...
I'm stumped Dave,
Here's some junk i looked at!
Why are there so many tires with direction arrows?
In road tires, a tread with a rolling direction generally provides a slight reduction in rolling resistance. In addition to this, aesthetic considerations can also be important. Off road, rolling direction is far more important, as the tread ensures optimum connection between the tire and the ground. The rear wheel transmits the driving force and the front wheel transmits the braking and steering forces. Driving and braking forces operate in different directions so this is why certain tires are fitted in opposite rolling directions when used as front and rear tires. There are also treads without a specified rolling direction.
http://answers.yahoo.com/question/index?qid=20091104130547AAdra29
Try the link, and have a great weekend!
Ps: did your daughter get married yet? Mine married June 26 (thank god :-/ )
Your p[roblme is the windstar.... try rotating that....
BTW I have never paid any attention to the "proper" rotation.....I just have them switched out with signs of wear and I replace them at 40-50k.... heck i do not know if they were ever done right.....alignment and inflation are the biggests keys to tread life.....
the plot thickens...
Her boyfriend hasn't bought me lunch yet so I am assuming they don't have any plans yet. 🙂
If you look at the tire it has a chevron type of tread. It looks like the tread is designed to channel water off to the side. If the tire rolls the wrong way then the water will get channeled into the middle which doesn't make much sense. It doesn't rain in California in the summertime so it doesn't matter much right now.
My other vehicles don't have direction arrows on the tires and the tread is more traditional looking. The State truck has Goodyear A/T tires and they don't indicate a rolling direction. It is an F250 Super Duty with a lot of equipment in it so it's way to heavy to be a true off road vehicle anyway. It handles rough road OK as long as they are firm and dry.
new vehicles cost lots of money and that Windstar has been a good car so I plan to drive it until the wheels fall off (or maybe just a little before).
I have over 80,000 miles on my Bridgestone A/T Deulers. They still have some good life left to them.
