Wheels Problem
11-22-2010, 08:36 PM
#21
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Join Date: Aug 2010
Location: Calgary
Posts: 531
Re: Wheels Problem
Still lot's of mixed opinion about pro's/con's of nitrogen. If it's free and convenient to get, I'd go for it. It will still leak, just at a slower rate. If you have to pay and then drive across town to find it when you need to top up...forget it. There's no scientific evidence I've seen that confirms any of the claims you hear about it...just anecdotal stuff. Air is 78% nitrogen and you are increasing the level to about 94%.
Adam, a quick drop from 42 to 20 seems strange..sure your gauge is OK?
Adam, a quick drop from 42 to 20 seems strange..sure your gauge is OK?
11-22-2010, 09:19 PM
#22
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Join Date: Aug 2010
Location: north
Posts: 54
Re: Wheels Problem
There a big chance that when you installe the new tires on the rims and don't clean the rims before you will get a leak. But temperature change won't get such a high change in pressure.
Not that high anyway.
Not that high anyway.
11-22-2010, 11:37 PM
#24
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Join Date: Aug 2010
Location: Calgary
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Re: Wheels Problem
So what now? I would have to take it to the shop and instruct them to warm them up and clean them I guess.
11-28-2010, 08:00 AM
#25
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Location: Pottageville, Ontario
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Re: Wheels Problem
ummm.. air density?????
Since air is a gas, it expands when heated and contracts when cooled. In most parts of North America, this makes fall and early winter months the most critical times to check inflation pressures...days are getting shorter...ambient temperatures are getting colder...and your tires' inflation pressure is going down!
The rule of thumb is for every 10° Fahrenheit change in air temperature, your tire's inflation pressure will change by about 1 psi (up with higher temperatures and down with lower). What your explaining seems abnormally high, but living in calgary for 5 years, i've experience +10 one day and -25 the next..
Since air is a gas, it expands when heated and contracts when cooled. In most parts of North America, this makes fall and early winter months the most critical times to check inflation pressures...days are getting shorter...ambient temperatures are getting colder...and your tires' inflation pressure is going down!
The rule of thumb is for every 10° Fahrenheit change in air temperature, your tire's inflation pressure will change by about 1 psi (up with higher temperatures and down with lower). What your explaining seems abnormally high, but living in calgary for 5 years, i've experience +10 one day and -25 the next..
11-28-2010, 04:58 PM
#26
Audi Forum - Posts like a Q5
Thread Starter
Join Date: Aug 2010
Location: Calgary
Posts: 531
Re: Wheels Problem
ummm.. air density?????
Since air is a gas, it expands when heated and contracts when cooled. In most parts of North America, this makes fall and early winter months the most critical times to check inflation pressures...days are getting shorter...ambient temperatures are getting colder...and your tires' inflation pressure is going down!
The rule of thumb is for every 10° Fahrenheit change in air temperature, your tire's inflation pressure will change by about 1 psi (up with higher temperatures and down with lower). What your explaining seems abnormally high, but living in calgary for 5 years, i've experience +10 one day and -25 the next..
Since air is a gas, it expands when heated and contracts when cooled. In most parts of North America, this makes fall and early winter months the most critical times to check inflation pressures...days are getting shorter...ambient temperatures are getting colder...and your tires' inflation pressure is going down!
The rule of thumb is for every 10° Fahrenheit change in air temperature, your tire's inflation pressure will change by about 1 psi (up with higher temperatures and down with lower). What your explaining seems abnormally high, but living in calgary for 5 years, i've experience +10 one day and -25 the next..
Last edited by adamstasiak; 11-28-2010 at 05:02 PM.
11-28-2010, 06:36 PM
#27
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Join Date: Oct 2010
Location: Republic of B.C.!
Posts: 382
Re: Wheels Problem
The wheels or the tyres? And were they frozen? 
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