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Lug Nut?

 
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impalafirst
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PostPosted: Sun Sep 25, 2011 12:57 pm    Post subject:  Lug Nut? Reply with quote

I stripped so many lug nuts on my 2004 Impala LS until it is funny. What is the size, 3/4in. or is it some metric size? Are they made of some type of soft metal?
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Frank4202
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PostPosted: Sun Sep 25, 2011 4:38 pm    Post subject:   Reply with quote

Cant remember 100% and am too lazy to go outside but I think its 19mm or 21mm

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impalafirst
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PostPosted: Sun Sep 25, 2011 7:47 pm    Post subject:   Reply with quote

Its not 19mm. I have to hammer on a 19mm to get off a strip lug nut yesterday.
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00impala123
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PostPosted: Mon Sep 26, 2011 11:42 am    Post subject:   Reply with quote

Im almost positive its 19...unless mine are a different size. I have rims but dk if the lugs are different size..i know

Maybe its 5/8ths

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PostPosted: Mon Sep 26, 2011 11:49 am    Post subject:   Reply with quote

I'm pretty sure it's 19mm.

If you had to hammer on a 19mm to a stripped lug, it's probably because you've deformed the metal so that a 6-sided socket does not sit properly.

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VictoryRed09
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PostPosted: Mon Sep 26, 2011 12:53 pm    Post subject:   Reply with quote

If you have to hammer a 19 mm socket on . maybe your using the wrong size.
Impala uses metric lugs nuts the the stud is metric thread.

I have not seen a SAE nut on a GM car for maybe 10 or more Years,

Justa thought.
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impalafirst
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PostPosted: Tue Sep 27, 2011 3:23 pm    Post subject:   Reply with quote

You guys are right. I took my 19mm socket and put it on a unused lug nut I saved when I put the wheel locks on and it fit. When I get a chance I will check each lug nut and mark the ones that are deformed then replace them.
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impalafirst
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PostPosted: Thu Sep 29, 2011 5:38 pm    Post subject:   Reply with quote

Lug Nuts locally, I have 2 choices. It should be a no brainer!

http://www.autozone.com/autozo.....597_13139_

http://shop.advanceautoparts.c.....fragment-3
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PostPosted: Thu Sep 29, 2011 9:29 pm    Post subject:   Reply with quote

use a torque wrench when tightening up your lug nuts. i think its like 135ft-lbs or something like that, i have it written on my garage shelf.

Alan

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Frank
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PostPosted: Fri Sep 30, 2011 12:52 am    Post subject:   Reply with quote

The lugnuts are 19mm hex on the outside and 12 x 1.50 thread.

Wheel lugnut torque spec is 100 ft lbs.

If you are a Costco member, visit their tire shop...they sell lugnuts for 48 cents each, and they are solid and not the crappy two piece design that has a soft outer cap on the hex portion.

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