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2013 Chevrolet Suburban
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Limited Slip Rear Axle?

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Old Dec 26, 2007 | 8:08 PM
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Default Limited Slip Rear Axle?
How do I know if I have a limited slip rear axle? It is a 2002 Z71, 5.3L. Thanks!
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Old Dec 26, 2007 | 8:17 PM
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Default RE: Limited Slip Rear Axle?
I don't know what the option code was then but try checking your label which may be in the glovebox. For the 07s, it's G80 for the locking rear axle.
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Old Dec 26, 2007 | 10:43 PM
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Default RE: Limited Slip Rear Axle?
Here are the possible options for your vehicle. They are found in the RPO list inside the glovebox door.

GT4 -Axle Rear 3.73 Ratio (DUP With 5 x 1)
GT5 -Axle Rear 4.10 Ratio (DUP With GT8)
GU4 -Axle Rear 3.08 Ratio
G80 -Axle Positraction Limited Slip
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Old Dec 27, 2007 | 2:12 AM
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Default RE: Limited Slip Rear Axle?
I'll check it out tomorrow, thanks!
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Old Dec 27, 2007 | 9:01 AM
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Default RE: Limited Slip Rear Axle?
The G80 is actually an auto locking rear dif (not limited slip) and it is standard on all Z71 model Tahoes.
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