Automatic Transmission Servicing: Identification: Notes
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 or M15. 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.