ATTENTION SOME TRANSAXLES TRANSMISSIONS ARE INTERCHANGEABLE AS ASSEMBLIES ONLY FROM ONE MODEL YEAR TO A LATEE MODEL YEAR THEREFORE VERIFY MODEL YEAR ON TRANSAXLES TRANSMISSIONS BEFORE ORDERING COMPONENTS FROM THE FOLLOWING CHARTS EXAMPLE 1984 A ME9 W CODE 4BC USE 1984 CHART 1985 A ME9 W CO9E 5BC USE 1985 CHART 1986 89 TRANSMISSIZDINI IDENTIFICATION DURING THE 1986 MODEL YEAR AND THE START OF 1987 PRODUCTION THE FOLLOWING TRANSMISSIONS WILL HAVE A THREE 3 LETTER CODE AS OPPOSED T0 A TWO 2 LETTER CODE PEEVIOUSLY USED THE THIRD LETTER IN EACH CODE WILL IDENTIFY TRANSMISSION TYPE 3RD LETTER TRANS TYPE OPTION A 400 M40 B 2009 MV9 C 1259 MD9 F 200 4D MW9 H 440wT4 ME9 M 700 R4 MD8 Z F 7 ME9 1990 94 R ANSMISSIZ Z N IDENTIFICATION DURING THE 1990 91 MODEL YEAR THE TRANSMISSION CHARTS WILL CARRY THE OLD DESIGINATION CODES ALONG WETH THE NEW HYDRA MATIC DESIG NATION CODES BEGINNING WITH THE MDDEL YEAR 1992 ONLY THE HYDRA MATIC DESIGNATION CODES WILL BE USED EXAMPLE HYDRA MATIC 3T40 E 3 I 4 i E I I j I I NUMBER OF SPEEDS TYPE SERIES MAJOR FEATURE 3 T TRANSVERSE BASED ON E ELECTRONIC CONTROLS 4 L LONGITUDINAL RELATIVE A ALL WHEEL DRIVE 5 PLUS M MANUAL TOR9UE HD HEAVY DUTY V CVT CAPMDITY TRANS TYPE 3RD LETTER OLD NEW OPTION A 400 BL80 M40 C 1250 3T4D MD9 F 2wQ 4R MW9 H 440 T4 4T6D ME9 M 700 R4 4LBD MD8 S AWD 3T4D A MD9 W 4T6D E M13 Z F 7 ME9 BTM40 MG1 MG2 MU1 MY5 N 4T8OE MH1 D 4L6DE M3O 1993 GENERAL IVIOTORS SERVICE PAH T S C F ERAT ONS PONTlAC 22H 5 93 4 43 4 498