GM12 REARN AXLE FIELD IDENT F CATION Axles are manufactured by Buick Chevrolet Buffalo Chevrolet Warreri Chevrolet Gear and Axle 0lds mobile Pontlac and McKinnon Divisional Manufacturer code letters wlll be metal stamped on the axle tube adjacent tothe carrier for field identification See Example Metal stamped on right frontinboard side letters and numerals 1I4 high 3 outboard of carrier or are located on a metal tag attached to cover bolt Reference should be made to divisional service manuals for location on some models FIELD IDENTIFICATION l M N M IUM FIEOUIREMENT FOR IDENTO PLATE s r N K B 2 IB D W 4 TL W BORG WARNER LIMITED SLIP IDENT E EATON Gao 0PT l 0 OLDS Vi F I D FOR DAY SIjI FT 4 N FOR NIGHTSHIFT RATIO CODE DAY OF VEAR AXLE BUILT MANUFACTURER IDENTITY Note 1978 models the fourth character indicates model year fifth through seventh Jullan date The eigth character shift code MANUFACTURER IDENTITY B BUICK O OLDSMOBILE P PONTIAC M PONTIACICANADA G CHEVROLET GEAR AND AXLE C CHEVROLET BUFFALO K GM OF CANADA ST CATHARINES MCKINNON W CHEVROLET WARREN MANUFACTURERS IDENTIFICATION WILL APPEAR IN THE DESCRIPTION COLUMN OF CATALOG EXAMPLE 76 A B C W GBD 488333 2 FLATE DIFF PRELOAD P M TYPE j GM PARTS DIVISION GENERAL MOTORSCORPORATION CHEVROLET 10 40