TRANSMISSION IDENTIFICATION CONT D TRANSMISSION TO ASSEMBLY CODES Note Transmission identification can be located in one of three positions on the transmission A Identification plate on side of case B Stamping number on governor cover C Ink stamped on bell housing 1988 MW9 4 SPD A T MD8 4 SPEED A T THM2004R OVERDBIVE NO CODES AVAILABLE 8KJF 8KTF 1989 MW9 4 SPD A T THM2004R OVERDRIVE QKJF 9KTF 1990 MW9 4 SPD A T THM2004R OVERDRIVE OKJF OKTF 1991 GENERALMOTORSSERVWEPARTSOPERAUONS 0LDSMOBlE 3DN 4 000 4 8 6 91