Little Blue Dot - Page 3 - Nissan Murano Forum
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post #31 of 38 Old 07-31-2007, 03:30 PM
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Question Blue dotssssss

Go look at what I have posted

2004, SE AWD
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post #32 of 38 Old 08-26-2007, 11:27 AM
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Dots are suppose to be close... real close together so... in your case, they are mounted wrong.

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post #33 of 38 Old 09-07-2007, 05:26 PM
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WELL, after reading this, I am concerned. I have 4 blue dots, or had..One mostly all came off within the first week, but you can still tell where it was. But I looked and 3 of the 4 do line up with red dots, but one is on there with seemingly NO relationship to the red mark. I just bought this car 3 weeks ago. Should I be worried something is wrong with this tire?
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post #34 of 38 Old 09-07-2007, 06:20 PM
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Quote:
Originally posted by bjh
WELL, after reading this, I am concerned. I have 4 blue dots, or had..One mostly all came off within the first week, but you can still tell where it was. But I looked and 3 of the 4 do line up with red dots, but one is on there with seemingly NO relationship to the red mark. I just bought this car 3 weeks ago. Should I be worried something is wrong with this tire?
The dots are to assist with balancing the tire, but I'm sure the tire could also be balanced with the dots not lined up. It would just take more weights.




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post #35 of 38 Old 09-07-2007, 07:19 PM
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When I was installing my tires I asked the guy to line up the dots. He said they did not mean anything, and that he knew because he was a certified installer. So I insisted and the guy was not really happy that I was telling him how to do his job, but he did it my way anyway and lined up the dots. Tires balanced fine but since reading about the need to road force balance the 18 inch tires, I am still going to take them to Americas Tire Store for rebalance.

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post #36 of 38 Old 09-07-2007, 08:58 PM
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Wow, blue dots?!? Where did you dust this thread off from?

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and 1973 MGB
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post #37 of 38 Old 12-04-2010, 09:26 PM
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I think the aliens have despaired of us being able to decipher crop circles and have turned instead to alloy rim dots.

BTW, I've got a blue dot on each rim. I figured they had something to do with the assembly process and haven't given them much thought otherwise.

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post #38 of 38 Old 12-05-2010, 03:25 AM
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Dang someone went grave diggin for this one lol.

Quote:
Originally Posted by BARCODE View Post
Aside from being inflated for carrying loads, tires need to be round to work properly. Wheels also need to be round. However, due to manufacturing constraints, neither may be, exactly. So, wheel manufacturers tend to place the valve core hole (or some other mark) painted DOTS at the lowest point of the wheel. Tire manufacturers, on the other hand, tend to place a mark, usually a red dot, on the wheel's highest pint. The hope is if you put the higest point of the tire on the lowest point of the wheel, they will cancel out and you'll end up with a round wheel/tire combo.

Hope this helps..

Paul
Quote:
Originally Posted by Eric L. View Post
The dots are to assist with balancing the tire, but I'm sure the tire could also be balanced with the dots not lined up. It would just take more weights.
BINGO! However what i was told at nissan school was that the blue dots didn't technically represent the heaviest spot in the rim, it represents the lowest spot in the rim so that you can match the tire's red dot (tire's highest point) to it. This will minimize radial force runout. Its not NEEDED but it helps in reducing radial runout vibration.

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