Replace spare or keep?
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AudiWorld Member
Joined: Feb 2017
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From: Kaliphornia
Replace spare or keep?
Good day all. Had a tire fail yesterday on the way to work. Lost pressure due to a cut that I did not see on the inside edge. I recall running over something last Saturday, but did not think much of it as the pressure held.
Anyway, threw on the spare donut and ordered the replacement. Less than 3k on the set, so it looks ok to replace just the one.
The miles driven on the spare is close to 50. Audi tells me that I should not go over that. So do I now replace the spare also, or is that because of the difference in rotation/diameter between the spare and stock wheels (with the quattro system)?
Used a calculator to check difference between the tires, stock = 746.38 rev/mil, while spare = 750.89 rev/mil. Maybe it is close enough to not make that much difference for the distance.
Anyway, threw on the spare donut and ordered the replacement. Less than 3k on the set, so it looks ok to replace just the one.
The miles driven on the spare is close to 50. Audi tells me that I should not go over that. So do I now replace the spare also, or is that because of the difference in rotation/diameter between the spare and stock wheels (with the quattro system)?
Used a calculator to check difference between the tires, stock = 746.38 rev/mil, while spare = 750.89 rev/mil. Maybe it is close enough to not make that much difference for the distance.
AudiWorld Senior Member
Joined: Sep 2015
Posts: 1,656
Likes: 51
From: New Hampshire
Good day all. Had a tire fail yesterday on the way to work. Lost pressure due to a cut that I did not see on the inside edge. I recall running over something last Saturday, but did not think much of it as the pressure held.
Anyway, threw on the spare donut and ordered the replacement. Less than 3k on the set, so it looks ok to replace just the one.
The miles driven on the spare is close to 50. Audi tells me that I should not go over that. So do I now replace the spare also, or is that because of the difference in rotation/diameter between the spare and stock wheels (with the quattro system)?
Used a calculator to check difference between the tires, stock = 746.38 rev/mil, while spare = 750.89 rev/mil. Maybe it is close enough to not make that much difference for the distance.
Anyway, threw on the spare donut and ordered the replacement. Less than 3k on the set, so it looks ok to replace just the one.
The miles driven on the spare is close to 50. Audi tells me that I should not go over that. So do I now replace the spare also, or is that because of the difference in rotation/diameter between the spare and stock wheels (with the quattro system)?
Used a calculator to check difference between the tires, stock = 746.38 rev/mil, while spare = 750.89 rev/mil. Maybe it is close enough to not make that much difference for the distance.
AudiWorld Member
Joined: Sep 2016
Posts: 93
Likes: 4
Good day all. Had a tire fail yesterday on the way to work. Lost pressure due to a cut that I did not see on the inside edge. I recall running over something last Saturday, but did not think much of it as the pressure held.
Anyway, threw on the spare donut and ordered the replacement. Less than 3k on the set, so it looks ok to replace just the one.
The miles driven on the spare is close to 50. Audi tells me that I should not go over that. So do I now replace the spare also, or is that because of the difference in rotation/diameter between the spare and stock wheels (with the quattro system)?
Used a calculator to check difference between the tires, stock = 746.38 rev/mil, while spare = 750.89 rev/mil. Maybe it is close enough to not make that much difference for the distance.
Anyway, threw on the spare donut and ordered the replacement. Less than 3k on the set, so it looks ok to replace just the one.
The miles driven on the spare is close to 50. Audi tells me that I should not go over that. So do I now replace the spare also, or is that because of the difference in rotation/diameter between the spare and stock wheels (with the quattro system)?
Used a calculator to check difference between the tires, stock = 746.38 rev/mil, while spare = 750.89 rev/mil. Maybe it is close enough to not make that much difference for the distance.
Perhaps they're confused with the speed rating of 50MPH? Either they're idiots or they're trying to rob you.
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