GNII2 REAR AXLE FIELD IDENTIFICATION Axles are manufactured by Buick Chevrolet Buffalo Chevrolet Warren Chevrolet Gear arid Axle Olds mobile Rontiac and McKinnon Divisional Manufacturer code letters will be metal stamped on the axle tube adjacent to the carrier for field identification See Example Metal stamped on right front inboard side letters and numerals I ll 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 IINIIVIUII I REOUIREl IENT FOR IDENTO PLATE Q l N KI B 2IS IJ VW I I V BORG WARNER I I LIMITED SLIP IDENT E EATON I I L GSO OPT l to orbs I I I I I D FOR DAY SHIFT I I N FOR NIGHT SHIFT L RATIO CODE L DAY OF YEAR AXLE BUILT MANUFACTURER lDEl ITl TY Note 1978 models the fourth character indicates mode year fifth through seventh Julian date The eiqth character shift code MANUFACTURER IDENTITY B BUICK O M OLDSMOBILE R PONTIAC IVI PONTIAC CANADA G CHEVROLET GEAR AND AXLE tj CHEVROLET BUFFALO I GIVI OF CANADA ST CATHARINES IMCKINNONI VV CHEVROLET WARREN MANUFACTURERS DEI 3TIFICATlOI I I VILL APPEAR IN THE DESCRIPTION COLUMN OF CATALOG X P XB A R C W GSU 488333 2 PLATE DIFF PRELOAD IRM TYPE W 19a GENERAL MOTORS SERVICE PARTS OPERATIONS OLDSMGBILE 31 40