I REAR AXLE FIELD IDENTIFICATION Axles are manufactured by Buick Chevrolet Buffalo Chevrolet Warren Chevrolet Gear and Axle Olds mobile Pontiac and McKinnon Divisional Manufacturer code letters will be metal stamped on the axle I tube adjaoent to the carrier for field identihcaticn See Example Metal stamped on right front inboard side letters and numerals ll4 high 3 outboard of carrier or are located on a metal tag attached to cover bolt Reference should be made to divlsional service manuals for location on some models FIELD IDENTIFICATION TMINIMUM REQUIREMENT FOR IDENTOTPLATE k N K B 218 D W W BORG WARNER LIMITED SLIP IDENT E EATON GSO OPT O OLDS D FOR DAV SHIFT N FDR NIGHT SHIFT RATIO CODE DAV OF YEAR AXLE BUILT I MANUFACTURER IDENTITY Note 1978 models the fourth character indicates model year fifth through seventh Julian date The eigth character shift code MANUFACTURER IDENTITY i VT a Buick I O OLDSMOBILE P PONTIAC 1 M PONTIAC CANADA I G CHEVROLET GEAR AND AXLE C CHEVROLET BUFFALO K GM OF CANADA ST CATHARINES IMCKINNONI I W CHEVROLET WARREN MANUFACTURERS IDENTIFICATION WILL APPEAR IN THE DESCRIPTION COLUMN OF CATALOG EXAMPLE I 76 A B C W GSO I 488333 2 PLATE DIFF PRELOAD I P M TYPE GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 10 I 5 3 A I I V