Identifying rear axel assembly
March 16th, 2017, 2:20 AM
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Identifying rear axel assembly
I have a 2007 silverado 1500 ltz crew cab 4 door. I have a pic of the rpo codes from the glove box but don't know which is which to identify my rear end. I see a gt4 and g80 code. The gt4 is a 3.73 ratio and the g80 is a 3.42 ratio. Which is mine? Also mine has drum breaks. Please help because i need to purchase a new assembly quick but need this info to make it happen. Thanks in advance for your assistance.
