REVISED SPRIING CHARTS Eg UTILIZE THE SPRING CHARTS THE FOLLOWING STEPS SHOULD BE ED 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 R X E 5 1 O O O O 1 C9O C95 DF3 D3C D33 D09 E5Z ETD FFL F40 GG1 GW9 GSO GU2 G89 JA1 JA4 K05 K22 K99 LV2 WW9 WX0 NA5 NB1 NK1 NK3 N33 N67 GLW T8T UJ3 U23 U35 VO8 V1O WC3 WG2 YT9 YS6 01L BSC 42B 42I 420 42T 409 TSB 8WT 9WT 11A 90A 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 POSITION DENOTES SPRING LOAD RATE SC WT SB WT THE SAME INFORMATION CAN BE OBTAINED UTILIZING THE R P O FICHE IN CANADA R P O FICHE IDENTIFICATION CANADA ONLY RPO AM6 A01 C49 C60 039 D4N D9C E5Z ESZ F40 GX3 JA2 J41 KO5 K6O LB6 ME9 MXO NA5 NK5 OST PB9 OMW TT6 UA1 UMT UO1 U19 U64 UT3 VK3 VT3 XO5 YT9 ZG4 Z31 Z49 6RZ TRZ T1U 790 T9I 799 8BJ 9BJ 2 ONCE THE CODE HAS BEEN DETERMINED SELECT THE APPROPRIATE SERVICE REPLACEMENT FROM THE CHART 3 IN CASES WHERE THE SPRING TACS ARE NOT AVAILABLE AND THE CODES ARE NOT ON 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 THUMB IS TC OHOOSE A SPRING IN THE MIDDLE RANGE A HIGHER OR LOWER LOAD RATE SPRING MAY ALSO BE SELECTED BY MOVING UP 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 1991 GENERAL MOTORS SERVICE PARTS PEFlAT ONS CHE ROLET 17W 6 91 1 s 7 412