TRANSMISSION IDENTIFICATION Continued Note Transmission Identification can be located in one of three positions on the transmission A Identification label on side of case B Stamping number on governor cover C Ink stamped on bell housing 1991 TRANSMISSION TO ASSEMBLY CODES MD8 4 SPD A T MT1 4 SPD A T THMYOOR4 HYDRAMATIC THMR2 HYDRAMATIC 1CAM 1C JM 1WBM 1CBM 1BAP 1CBP 1DDP 1BBP 1CLM 1WCM 1CHM 1WAM 1DBP 1DFP 1CAP 1DCP FORMERLY GETRAG n 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52G 4 000 4 10 1 91