Axle Ratio & Identification
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 GMC Sonoma, 2002 GMC Sierra, and 2002 GMC Savana Special. However, it is still accessible from the selected car via links, so may be relevant.
Rear axle identification is stamped on the forward, right side of axle tube. The first 3 digits indicate rear axle ratio, the next digit indicates axle assembly build source code and the next 3 digits indicate the date of manufacture.