TRANSMISSION IDENITIZIFICATION INCLUDING AXL EE FKATIO TRANSBMISSION TO ASSLEEIMIBLY 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 ME9 4 SPEED A T MG2 5 SPEED MET 8CRH 3 333 RATIO BZZH 3 61 RATIO 8CTH 3 333 RATIO 1989 A ME9 4 SPEED A T MG2 5 SPEED A T 9YAH 3 33 RATIO 9XSX 3 61 RATIO 9YFH 3 33 RATIO OYKH 3 33 RATIO OYLH 3 33 RATIO OCHH 3 33 RATIO OCJH 3 33 RATIO OLAH 3 33 RATIO 9CYH 3 33 RATIO 1990 MD9 3 SPEED A T ME9 4 SPEED A T THM125C 3T4O THM44OT4 4T6O MG2 5 SPEED M T OKXC 3 18 RATIO OYKH 3 33 RATIO OXSX 3 61 RATIO OYLH 3 33 RATIO OLAH 3 33 RATIO OYDH 3 33 RATIO OYHH 3 33 RATIO OYRH 3 33 RATIO 1991 MD9 3 SPEED A T ME9 4 SPEED A T M13 4 SPEED A T THM125C 3T4O THM44OT4 4T6O 4T6OE 1KXC 3 18 RATIO 1YDH 3 33 RATIO 1CWW 3 43 RATIO 1YHH 3 33 RATIO M27 5 SPEED M T 1DBF 3 67 RATIO 1993 GENERAL MOTORS SERVICE PARTS OPER A I IONS PONTIAC 25W 6 93 4 5 4 000