TRANSMISSION IDENTIFICATION 1 1 Note Transmission Identification can be located in one of three positions on the transmission A A A A Identification label on side of case A B Stamping number on governor cover 1 C Ink stamped on bell housing A 1985 TRANSMISSION TO ASSEMBLY CODES A MD8 4 SPD A T MC9 4 SPD MAN THMYOOR4 HYDRAMATIC BORG WARNER VL VK VC PR GAP GAR GAT MP ML MS MT A T7 A 1986 TRANSMISSION TO ASSEMBLYACO DES M40 3 SPD A T MD8 4 SPD A T MV4 3 SPD A T THM4OOC HYDRAMATIC y THM7OOR4 HYDRAMATIC THM35OC HYDRAMATIC GFA GFI GFN GFW V GFA GMK GMW GTJ GXA GXX J GFB GFJ GFP GFX GMA GMM GPL GTK GFC GFK GFQ GFZ GMC GMP GPR GTN GFD GFL GFR GLR GMD GMR GTA GTR GFF GFM GFS GLS GMF GMT GTB GTW M20 4 SPD MAN A MG2 3 SPD MAN MG4 3 SPD MAN MUNCIE MUNCIE MUNCIE GAU GAV GGJ GGK O4 UUH UUK UUF UUJ I O MC9 4 SPD MAN S V OML2 5 SPD MAN ML3 5 SPD MAN BORG WARNER BORG WARNER BORG WARNER GAR GAT I GAM GAA GCM 1 J MR2 4 SPD MAN MYG 4 SPD MAN F MUNCIE A NEW PROCESS A ZNA UUL GAW GCA GCC GCD V A GBH A 1991 GENERAL MOTORS SERVICE PARTS 0PERATIONS LTTRUCK 52M L 4 000 V 4 6 P A 1 91