B238 1978 A BUICK Chart 3 FRONT SPRINGS V6 CPE SED STD V8 SED CPE V6 WGN V6H D V8 WGN SUSR STD SUSR STD SUSE Part N0 Code Part N0 Code Part N0 Code UP Stiffer 460679 ADT 463836 AJB 460683 ADY Load ADS AJA ADX Range 460629 AAY 460681 ADW 460647 ABY AAX ADU ABX DOWN S0fter 460627 AAW 460638 ABK 460645 ABW ABJ ABU 460636 ABH V8 WAGON H D V6 WGN H D V8 SUSR SEDICPE H D SUSR UP Stm r Part No code Part No code 460687 AFC 460686 AFA Load ACY 460684 ADZ Range 460664 ACX ACK ACW 460655 ACJ DOWN Softer ACH 1978 A BUICK Chart 3 REAR SPRINGS STD SUSPENSION STD SUSPENSION STD SUSPENSION UP Sti1 fer CPE SED LESS REGAL WAGONS REGAL Load Part N0 Code Part N0 Code Part N0 Code Range 485719 ST 485738 WU 485719 SS 494672 NFU ZZ 485709 SR DOWN Softer NHJ 485736 TA YZ H D SUSPENSION F40 SUSPENSION FE2 SUSPENSION Ui S coupe a se AN wAeoNs wAc0Ns Load Part No Code Part No Code Part No Code Range 485727 su 485754 SL 485746 TC 477512 PZ 485754 SK TB DOWN Softer NHP 485744 NFA lf the recommended service replacement spring does not correct a trim height problem use this chart to find a relatively softer or stiffer replacement spring WAREHOUSI NG AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUICI 41 7 000 GROUP 7 6 c REV 5 81