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Section 35 (Automatic Transaxle Overhaul & Testing - 4T65-E): Identification: Transaxle

WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.

Transaxle has a metal identification plate or Service Replacement Transmission Assembly (SRTA) plate attached to rear face of transaxle. See Fig 1. Transaxle RPO codes are MN3, MN7, M15 or M76. The MN3 and MN7 are heavy duty models and have 10.2" (258 mm) torque converters. The M15 model has a 9.6" (245 mm) torque converter. The M76 model is used in All Wheel Drive (AWD) applications. For model build information on each RPO code, see Fig 2-Fig 9 .

Fig 1: Locating Transaxle ID Plate & SRTA Plate Information
G98I01961Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Model Build Information (2001 - MN3)
G00057576Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Model Build Information (2001 - MN7)
G00057577Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Model Build Information (2001 - M15)
G00057578Courtesy of GENERAL MOTORS CORP.
Fig 5: Identifying Model Build Information (2001 - M76)
G00057579Courtesy of GENERAL MOTORS CORP.
Fig 6: Identifying Model Build Information (2002 - MN3)
G00075835Courtesy of GENERAL MOTORS CORP.
Fig 7: Identifying Model Build Information (2002 - MN7)
G00075836Courtesy of GENERAL MOTORS CORP.
Fig 8: Identifying Model Build Information (2002 - M15)
G00075837Courtesy of GENERAL MOTORS CORP.
Fig 9: Identifying Model Build Information (2002 - M76)
G00075838Courtesy of GENERAL MOTORS CORP.
Fig 10: Identifying Model Build Information (2003 - MN3)
G00107690Courtesy of GENERAL MOTORS CORP.
Fig 11: Identifying Model Build Information (2003 - MN7)
G00107691Courtesy of GENERAL MOTORS CORP.
Fig 12: Identifying Model Build Information (2003 - M15)
G00107692Courtesy of GENERAL MOTORS CORP.
Fig 13: Identifying Model Build Information (2003 - M76)
G00107693Courtesy of GENERAL MOTORS CORP.
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