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'05 Sierra Z71 question...

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Old Oct 1, 2008 | 06:14 AM
  #1  
BagoXCAlum99's Avatar
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Joined: Oct 2008
Posts: 2
Default '05 Sierra Z71 question...

Hey all,
Just bought a '05 GMC Sierra Z71 and have a question. Does my truck have a limited slip in the rear differential?

Thanks!
Matt
 
Old Oct 1, 2008 | 06:36 AM
  #2  
Argon's Avatar
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Joined: Feb 2007
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Default RE: '05 Sierra Z71 question...

most likely,yes or it really couldn't called 4 wheel drive...the rpo code for limited slip is g80 on your label
 
Old Oct 8, 2008 | 08:56 AM
  #3  
Dluv35's Avatar
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Joined: Oct 2008
Posts: 24
Default RE: '05 Sierra Z71 question...

you have a rear locking differential. It is an Eaton G80, hence the code G80.
 
Old Oct 10, 2008 | 02:37 AM
  #4  
karl's Avatar
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Joined: Jul 2008
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Default RE: '05 Sierra Z71 question...

Normally, Z71 has G80 locking rear differential as well as skid plates, different shocks and jounce bumpers. Though the package may change depending on the year model.
 
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