Tires & Wheels Tire and Wheel discussions. What Fits, Show Tires, Custom Wheels

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Old Nov 2, 2008 | 11:41 PM
  #21  
damronjr's Avatar
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Joined: 08-03-2008
Posts: 890
From: San Diego
Originally Posted by ORGELBAU
Since day one, my two rear wheels lose 10-15 psi every week, and both right and left side lose the same amount. The front two never lose pressure, and almost never need adjustment. The rate of pressure loss is consistent for the rear wheels, and just so happens that I must add 10-15 psi every Sunday evening in preparation for the week ahead. Has anyone noticed the same problem with their SS wheels--especially front vs. rear? Even stranger... the wheels don't seem to lose much Monday through Friday, but when it sits for a day, then I notice a dramatic pressure loss. Any thoughts, fellow SS brethren?

MIne was only the right rear, but same problem here.
Old Jan 26, 2010 | 09:52 PM
  #22  
kizzme's Avatar
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Joined: 09-03-2005
Posts: 19
From: Stillman Valley, IL
Tire Pressure Loss

I have had the same problem on my 2008 HHR SS, and I am convinced that the problem is wheel porosity.
Old Jan 27, 2010 | 05:48 AM
  #23  
hyperv6's Avatar
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Joined: 07-05-2008
Posts: 5,464
From: Akron Ohio
Originally Posted by kizzme
I have had the same problem on my 2008 HHR SS, and I am convinced that the problem is wheel porosity.
Not a common problem on a Forged wheel But I have seen that on the cheaper cast wheels. GM used to fix them with epoxy.
Old Jan 27, 2010 | 06:25 AM
  #24  
ridgebackdog's Avatar
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Joined: 06-11-2008
Posts: 25
From: Western New York
Mine was left front and right rear. Dealer fixed it on the first try, almost a year ago. So far, so good.

My 2 cents on tire pressure, rule of thumb: higher pressure= quicker turn-in and better road feel
lower pressure=better traction and smoother ride

It's a matter of personal preference and priorities. A little trial & error goes a long way. Always keeping in mind that tire pressure affects load rating, a good compromise can be reached.
Old Jan 28, 2010 | 11:17 PM
  #25  
c2vette's Avatar
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Joined: 11-27-2007
Posts: 1,115
From: Austin, Texas
Originally Posted by kizzme
I have had the same problem on my 2008 HHR SS, and I am convinced that the problem is wheel porosity.
Finally got new tires on mine, and they do not lose any pressure at all, so in my case it was (only) the bead sealing issue.
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