GM Service Manual Online
For 1990-2009 cars only

Object Number: 179414  Size: SH

The automatic transaxle identification number (2) is located 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 the serial number sequence.

Additional transaxle identification information can be found on the service parts identification label. This label contains information on regular production options (RPO) as well as standard and mandatory options. This label is affixed to the spare tire cover of each vehicle at the assembly plant. For additional information on the service parts identification label, refer to Label - Service Parts ID in General Information.