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HHR SS Topics and information on the 2008-2010 Chevy HHR SS Turbocharged models.

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Old 05-09-2008, 03:12 PM   #1
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Wheel Nut Torque

When I removed all four wheels to paint the calipers & hubs, I noticed that none of the lug nuts were very tight. I also saw uneven wear on the back side of the wheel where the nuts should have been holding the wheels tight to the hubs.
The owners manual (on page 5-125) indicates that the Wheel Nut Torque should be "100 lb ft".
I know that mine were no where near "100 lb ft"
They are now.
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Old 05-09-2008, 03:17 PM   #2
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Here is another thread on that topic not the SS though but a good reference:

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Old 05-10-2008, 06:07 AM   #3
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At the end of (the assembly) line after the vehicle is built, random vehicles are selected and each wheel lug nut is checked for the proper torque. This is a validation process.

So, how did one wheel lug nut on the front driver's side get tighten to just over 150 lbs on my just delivered car (09/2005)? That was the questions I asked my dealer's service manager.

His answer is that they use torque bars and I asked why they were messing with the wheels of my car.

He didn't have an answer but I suspect it is a way of getting future brake business.
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Old 05-10-2008, 08:50 AM   #4
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Originally Posted by monster5601 View Post
His answer is that they use torque bars and I asked why they were messing with the wheels of my car.
Torque bars are worthless without first calibrating the impact.
Age is but a timeline that should be ignored.
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Old 05-10-2008, 08:50 AM
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