8.6, 9.5, 10.5, 11.5

Fig 1: Rear Axle Identification Stamp

Courtesy of GENERAL MOTORS CORP.

Rear axle identification information is stamped on the right side axle tube near the differential housing. The information includes the following:

• Broadcast code (1)
• Build Source (2)
• Build date (3) - Julian date
• Shift built (4)

In order to verify reports made on the rear axle assembly, include full code letters and build date numbers.