A T T E N T I O N I SOME TRANSAXLES TRANSMISSIONS ARE INTERCHANGEABLE AS ASSEMBLIES ji ONLY FROM ONE MODEL YEAR TO A LATER MODEL YEAR THEREFORE VERIFY MODEL YEAR ON TRANSAXLES TRANSMISSIONS BEFORE A ORDERING COMPONENTS FROM THE FOLLOWING CHARTS R EXAMPLE 1984 A ME9 W CODE 4BC USE 1984 CHART 1985 A ME9 W CODE 5BC USE 1985 CHART w 1986 89 TRANSMISSION IDENTIFICATION DURING THE 1986 MODEL YEAR AND THE START OF 1987 PRODUCTION THE V FOLLOWING TRANSMISSIONS WILL HAVE A THREE 3 LETTER CODE AS OPPOSED TO A TWO 2 LETTER CODE PREVIOUSLY USED THE THIRD LETTER IN EACH CODE WILL IDENTIFY TRANSMISSION TYPE 3RD LETTER TRANS TYPE OPTION A 400 M40 B 2OOC MV9 C 125O MD9 F 200 4R MW9 H 440 T4 ME9 M 700 R4 MDB Z V F 7 ME9 1990 91 TRANSMISSION IDENTIFICATION DURING THE 1990 91 MODEL YEAR THE TRANSMISSION CHARTS WILL CARRY 0 THE OLD DESIGINATION CODES ALONG WITH THE NEW HYDRA MATIC DESIG NATION CODES BEGINNING WITH THE MODEL YEAR 1992 ONLY THE HYDRA U MATIC DESIGNATION CODES WILL BE USED V EXAMPLE HYDRA MATIC 3T40 E Z QL l I I r i I NUMBER OF SPEEDS TYPE SERIES MAJOR FEATURE V 3 T TRANSVERSE BASED ON E ELECTRONIC CONTROLS 4 L LONGITUDINAL RELATIVE A ALL WHEEL DRIVE 5 PLUS M MANUAL TOROUE HD HEAVY DUTY f V CVT CAPACITY TRANS TYPE 3RD LETTER OLD NEW OPTION W A 400 3LBO M40 1 C 125C 3T4O MDS F 200 4R MW9 y H 440 T4 4T60 ME9 N M 700 R4 4L6O MDB S AWD 3T40 A MD9 W 4T60 E M13 Z F 7 ME9 g 5TM4O MG1 MG2 MU1 MY5 VE I991 GENERAL MOTORS SERVICE PARTS OPERATIONS CADlLLAC 82W 8 91 4 s1 4 49 45 j Lz 3 n vJ 2 w L r in c L Q Z i f i