Quattro won't care... (idiot tire salesman)
05-19-2007, 08:21 PM
#1
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Quattro won't care... (idiot tire salesman)
Needed to replace rear tires to get through the Summer. Front tires are fine. Will replace all 4 later.
Local tire dealer made me sign a waiver because the front tires had tread depth of 8/32" and the new rears have 11/32". Their max tolerance is 2/32" difference front to rear. They claimed that the center differential on an all-wheel drive car can be damaged by different tire size and they didn't want the responsibility. Sounds more like a ploy to sell me the front tires too. I pointed out that measuring the tread depth would tell them nothing about the rolling circumference of tires from different manufacturers. That got a blank stare from the 'technician'. He made me sign the waiver anyway.
Just for grins I calculated the difference in the rolling circumference of my tires given the 1/32" out-of-tolerance. For my 205/55-16 tires, the calculated difference is .196" per rotation. For the 78" circumference, that's a difference of .252%. Somehow I don't think Quattro will care. Perhaps I'll do an empirical measurement tomorrow to see how far off they really are.
Local tire dealer made me sign a waiver because the front tires had tread depth of 8/32" and the new rears have 11/32". Their max tolerance is 2/32" difference front to rear. They claimed that the center differential on an all-wheel drive car can be damaged by different tire size and they didn't want the responsibility. Sounds more like a ploy to sell me the front tires too. I pointed out that measuring the tread depth would tell them nothing about the rolling circumference of tires from different manufacturers. That got a blank stare from the 'technician'. He made me sign the waiver anyway.
Just for grins I calculated the difference in the rolling circumference of my tires given the 1/32" out-of-tolerance. For my 205/55-16 tires, the calculated difference is .196" per rotation. For the 78" circumference, that's a difference of .252%. Somehow I don't think Quattro will care. Perhaps I'll do an empirical measurement tomorrow to see how far off they really are.
05-20-2007, 03:13 PM
#2
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You can damage the Torsen differential using different size F/R tires, read this posting....
<ul><li><a href="https://forums.audiworld.com/c6a6/msgs/35132.phtml">Clicky</a></li></ul>
05-20-2007, 08:15 PM
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Why aren't you rotating your tires? (idiot audi owner) :p
"Needed to replace rear tires to get through the Summer. Front tires are fine."
At least you got a tire guy who cares. He could have just sold you two tires, watched your diff blow and then blamed you.
At least you got a tire guy who cares. He could have just sold you two tires, watched your diff blow and then blamed you.
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05-21-2007, 01:16 PM
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Read and understood. Proper tire rotation means not having to buy two tires.
Figures I'd get flack on this board because I decided to stand up for a salesman who is only looking after the health of his customer's car.
05-21-2007, 01:27 PM
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there is no need to use this terms of yours...
His comment was generic and you make it personal.
Front and rear end wear out differently and it is the most common thing to rotate tires...
He is not wearing to different shoes size for each end.
Front and rear end wear out differently and it is the most common thing to rotate tires...
He is not wearing to different shoes size for each end.
05-21-2007, 01:57 PM
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Not my term. Read the first post again...
Nothing generic about it. Idiot tire SALESMEN, would have been generic.
I'm sure you can explaing why he can call someone an idiot and I'm the bad guy.
I'm sure you can explaing why he can call someone an idiot and I'm the bad guy.