TRANSMISSION IDENTIFICATION Notei Transmission Identification can be located in one of three positions on the transm1ssion A Identification label on side of case B Stamping number on governor cover C Ink stamped on bell housing 1985 TRANSMISSION TO ASSEMBLY CODES I MD8 4 SPD A T MC9 4 SPD MAN A THM7OOR4 HYDRAMATIC BORG WARNER ML MP MS MT GAP GAR GAT PR T7 VC VK VL T A 1986 TRANSMISSION TOASSEMBLY CODES M40 3 SPD A T MD8 3 SPD A T MV4 3 SPD A T THM4OOC HYDRAMATIC THM7OOR4 HYDRAMATIC THM35OC HYDRAMATIC GFA GFB GFC GFD GFA GMA GMC GMD GXA GXX GFF GFI GFJ GFK GMF GMK GMM GMP GFL GFM GFN GFP GMR GMT GMW GPL GFQ GFR GFS GFW GPR GTA GTB GTJ GFX GFZ GLR GLS GTK GTN GTR GTW M20 4 SPD MAN A MG2 E 3 SPD MAN M64 3 SPD MAN MUNCIE MUNCIE MUNCIE GAU GAV GGJ GGK UUH UUK UUF UUJ 4i MC9 4 SPD MAN A ML2 5 SPD MAN ML3 5 SPD MAN BORG WARNER BORG WARNER BORG WARNER GAR GAT GAM GRA GCM MR2 4 SPD MAN V MYG 4 SPD MAN A MUNCIE NEW PROCESS UUL ZNAA GAW GBH GCA GCC GCD 1988 GENERAL MOTORS SERVICE PARTS OPERATIONS LT TRUCK 52R 28 A REV 1 88