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01-12-2023, 09:32 AM
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#1 |
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Registered User
Join Date: Aug 2017
Location: South of the Mason Dixon Line
Posts: 61
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Where to find rear axle code for 2015 GMC
Guys, just purchased a 2015 SLT with no broadcast sheet and was wondering what axle I have. I have the code list in the glove compartment but do not know what axles ratios and what RPO codes were used for that model and year. Could you point me where I can find this info.....thanks
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01-12-2023, 10:31 AM
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#2 |
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Registered User
Join Date: Aug 2015
Location: Las Vegas NV
Posts: 371
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Re: Where to find rear axle code for 2015 GMC
GM always used RPO codes beginning with the letter G for axle related information. You can go to the below website and see the various GM axle codes and compare to your label. Also, you can always go to your GM dealership parts counter and they can print you out a build sheet from your VIN. Someone told me you can also contact GM customer service and get the build sheet that way but I never tried it.
http://www.rpocodes.com/
__________________
Customization is what you want it to look like -- not what other people think it should look like |
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01-12-2023, 11:55 AM
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#3 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: Where to find rear axle code for 2015 GMC
What code is shown?
I pretty much have them memorized. K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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01-12-2023, 11:57 AM
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#4 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,226
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Re: Where to find rear axle code for 2015 GMC
Although some RPO codes get re-used I'm not aware of any axle codes ever changing.
GM Heritage Center archive generic info packet for 2007 attached, for reference. K https://www.gm.com/content/dam/compa...-Silverado.pdf
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ |
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01-12-2023, 11:19 PM
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#5 |
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Registered User
Join Date: Aug 2017
Location: South of the Mason Dixon Line
Posts: 61
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Re: Where to find rear axle code for 2015 GMC
Great links, thanks MUCH guys. My two G codes; GU6=3.42 and G80=Limited slip Posi. I was not aware I could get the build sheet from the Parts Counter guys, do want that for sure, thanks.
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