Compact spare tire.
What IS he up to... 
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Joined: Mar 2001
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I was just reading on the TireRack site and a few others about compact spares. There is an issue to do with "dry rot" due to age. Even without having used it, it might need to be changed. Just looking at the eventual need to change it and where to get one. This is not only for the S but for other cars as well.
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From: 17 ft below sea level.
Last thing you want is to rely on a spare that can't be used when needed.
There is no mention of changing at any time interval it in my manual.
Manual states it does wear faster due to its rubber compound.
I think the rubber is of a different quality.
Being kept in the dark it may not "dry rot" due to sunlight as fast?
Do you know of car manufacturers that recommend changing the spare tire after a given time?
There is no mention of changing at any time interval it in my manual.
Manual states it does wear faster due to its rubber compound.
I think the rubber is of a different quality.
Being kept in the dark it may not "dry rot" due to sunlight as fast?
Do you know of car manufacturers that recommend changing the spare tire after a given time?
Thread Starter
Joined: Mar 2001
Posts: 37,305
Likes: 18
Originally Posted by SpitfireS,Sep 24 2006, 04:58 AM
Last thing you want is to rely on a spare that can't be used when needed.
There is no mention of changing at any time interval it in my manual.
Manual states it does wear faster due to its rubber compound.
I think the rubber is of a different quality.
Being kept in the dark it may not "dry rot" due to sunlight as fast?
Do you know of car manufacturers that recommend changing the spare tire after a given time?
There is no mention of changing at any time interval it in my manual.
Manual states it does wear faster due to its rubber compound.
I think the rubber is of a different quality.
Being kept in the dark it may not "dry rot" due to sunlight as fast?
Do you know of car manufacturers that recommend changing the spare tire after a given time?
Here's from the TireRack site:
Compact Temporary Spares
Compact temporary spare tires are physically shorter and narrower than the vehicle's standard tires and wheels. Their smaller dimensions require they operate at higher inflation pressures than standard tires (typically 60 psi). Compact temporary spares also feature lighter-weight construction and a shallower tread depth than standard tires to reduce vehicle weight, as well as allow more trunk space to be dedicated to luggage. The compact temporary spare tire and wheel that comes with a vehicle is designed to fit that vehicle only. Never attempt to use a temporary spare and wheel on another vehicle unless it is the exact same make and model.
Compact temporary spare tires are physically shorter and narrower than the vehicle's standard tires and wheels. Their smaller dimensions require they operate at higher inflation pressures than standard tires (typically 60 psi). Compact temporary spares also feature lighter-weight construction and a shallower tread depth than standard tires to reduce vehicle weight, as well as allow more trunk space to be dedicated to luggage. The compact temporary spare tire and wheel that comes with a vehicle is designed to fit that vehicle only. Never attempt to use a temporary spare and wheel on another vehicle unless it is the exact same make and model.
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Joined: Jul 2006
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From: Campbell River B.C.
Originally Posted by SpitfireS,Sep 24 2006, 02:58 AM
Last thing you want is to rely on a spare that can't be used when needed.
I installed wheel locks this morning and thought I might as well look at the spare. Still a new owner and all...
Anyhow, found quite a bad wear spot on the spares side wall from contact with what I'm guessing is a lateral stiffener (bear with my ignorance (round bar that the back of the spare rests on)).
I'll be getting the tire inspected but am doubtful of its usefulness.
As far as the shelf life of the spare, lots of rubber materials have a 15 to 20 year shelf life when stored away from uv etc.
A quick google pulled this up;
Q.Is there a standard age limit or "shelf life" for aircraft tires?
A. NO. The shelf life of a tire is entirely dependent on the storage conditions. Proper storage of tires includes keeping them away from fluorescent lighting or other bright light, electrical motors, oil or chemicals, and sharp objects. Even with optimal storage conditions, a thorough tire inspection prior to installation is recommended.
Cheers
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