1984 87 TRUCK MANUFACTURING SOURCE TRANSMISSION STAMPING INFORMATION Continued POSITIONS 4 8e 5 DAY PRODUCED Numeric numbers will be stamped in positions 4 5 to identify the day produced Example O1 Z First day produced 10 7 Tenth day produced EXAMPLE 1980 TRUCK CHARACTER MANUFACTURING SOURCE STAMPING IDENTIFICATION POSITION 1 2 3 4 5 N 4 H O 5 MANUFACTURING SOURCE i MUNCIE 4 SPEED 117 mm MODEL YEAR 1984 MONTH PRODUCED JUNE DAY PRODUCED 5TH DAY OF THE MONTH SOURCE DESIGNATION WILL BE LOCATED AS FOLLOWS 3 Speed 4 Speed Light Duty Passenger Lower right left hand side of transmission below cover 4 Speed Truck Rear face of transmission case below retainer 3 Speed Automatic On left side of oil pan 3 Speed Hydramatic Stamped on plate rear right hand side of transmission case WAFlEHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 52D 1 16 REV 10 86