REVISED SPRING CHARTS TO UTILIZE THE SPRING CHARTS THE FOLLOWING STEPS SHOULD BE USED 1 OBTAIN THE SPRING CODES FROM TAGS ON ORIGINAL SPRING OR FROM THE SERVICE IDENTIFICATION LABEL LOCATED ON THE VEHICLE SEE INFORMATION IN FRONT OF CATALOGUE FOR EXACT LOCATION OF SERVICE IDENTIFICATION LABEL THE S P I LABEL EXAMPLE SHOWN BELOW HAS THE SPRING CODES HIGHLIGHTED S P I LABEL IDENTIFICATION U S AND CANADA 1 G 1 B N 6 9 H X E 5 1 O O O 0 1 C9O CD5 DF3 D3C D3D DO8 E5Z E7D FEL F40 GG1 GW9 G6O GU2 G89 JA1 JA4 KO5 K22 KQD LV2 WW9 WXO NA5 N81 NK1 NK3 N33 NST GLW T87 UJ3 U23 U35 VOD V10 WC3 WG2 YT9 Y56 O1L 6SC 42B 42I 420 42T 409 7SB 8WT 9WT IIA 9DA NOTE THE FIRST DIGIT DENOTES SPRING LOCATION I E 6 LH FRONT 8 LH REAR 7 RH FRONT 9 RH REAR THE SECOND AND THIRD ROSITION DENOTES SPRING LOAD RATE SC WT SB WT THE SAME INFORMATION CAN BE ODTAINED UTILIZING THE R P O FICHE IN CANADA R P O FICHE IDENTIFICATION CANADA ONLY RPO AM6 AO1 C49 CGD D35 D4N DSC ESZ E9Z F40 GX3 JA2 J41 KO5 KSO LB6 ME9 MXO NA5 NKE DST PB9 GMW T76 UA1 UM7 UQ1 U19 US4 U73 VK3 V73 XO5 YT9 ZG4 231 Z49 6RZ TRZ 71U 79D 79I 799 8BJ 9BJ 2 ONCE THE CODE HAS BEEN DETERMINED SELECT THE APPROPRIATE SERVICE REPLACEMENT FROM THE CHART 3 IN CASES WHERE THE SPRING TAGS ARE NOT AVAILABLE AND THE CODES ARE NOT DN THE S P I LABEL OR THE R P O FICHE THE DEALER CAN SELECT THE CHART TO BE USED DETERMINED BY THE MODEL ENGINE AND SUSPENSION OPTION OF THE PARTICULAR VEHICLE ANY SRING IN THE RANGE MAY BE SELECTED BUT A GENERAL RULE OF THUMS IS TO CHOOSE A SPRING IN THE MIDDLE RANGE A HIGHER OR LOWER LOAD RATE SPRING MAY ALSO BE SELECTED BY MOVING UR OR DOWN THE CHART FROM THAT POINT 4 WHEN THERE IS A DIFFERENCE BETWEEN PARTS USED IN THE U S AND THOSE USED IN CANADA THE U S NUMBER WILL BE FOLLOWED BY THE LETTER U AND THE CANADIAN NUMBER BY A C 1992 GENERAL MOTORS SERVICE PARTS O PERAT ONS CHEVROLET 17F LSL T9 7A12