GM Service Manual Online
For 1990-2009 cars only

Object Number: 179414  Size: SH

The automatic transaxle identification number (2) is on the top of the transaxle case (1) next to the Park/Neutral Position (PNP) switch.

This 7-digit number is stamped into the case. The 7-digit number refers to the model year and to the serial number sequence.

Additional transaxle identification information is on the service parts identification label. This label contains information on regular production options (RPO), on standard options, and on mandatory options. This label is on the tire cover of each vehicle. For additional information on the service parts identification label, refer to Service Parts ID Label in General Information.