1977 BUICK AXLE IDENTIFICATION B24 A SERIES ASSEMBLY CODES I 2 41 RATIO I 2 56 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR AA 8 1 2 CA 8 1 2 ZD 8 875 ZU 8 875 AL 8 1 2 CL 8 1 2 AY 8 1 2 CB 8 1l2 AB 8 1 2 CJ 8 1 2 I AJ 8 1 2 I 2 73 RATIO RING LTD RING STD GEAR SLIP GEAR AX 8 1 2 CX 8 1 2 ZE 8 875 ZW 8 875 I AS 8 1 2 3 08 RATIO I 3 23 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR AF 8 1 2 CF 8 1 2 AT 8 1 2 CT 8 1 2 ZJ 8 875 ZY 8 875 ZW 8 875 AU 8 1 2 CU 8 1 2 E gl C SERIES ASSEMBLY CODES 2 41 RATIO 2 56 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR GH 7 1 2 WN 8 875 YO 8 875 YU 8 875 WH 8 875 KZ 8 1 2 WA 8 875 WR 8 875 KA 8 1 2 KB 8 I 2 KY 8 1 2 LY 8 1 2 2 73 RATIO RING LTD RING ED GEAR SLIP GEAR LX 8 1 2 NX 8 1l2 YE 8 875 YW 8 875 MS 8 1 2 KX 8 1 2 VL 8 875 3 08 RATIO 3 23 RATIO I RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR KF 8 1 2 KU 8 1 2 LT 8 1 2 NT 8 1 2 WM 8 875 YY 8 875 KG 8 1 2 YJ B 875 WP 8 875 KT 8 1 2 I H SERIES ASSEMBLY CODES 2 56 RATIO 2 93 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR DY 7 1 2 EY 7 1 2 DX 7 1 2 EX 7 1 2 X SERIES ASSEMBLY CODES 2 56 RATIO 2 73 RATIO RING LTD RING V RING ID RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR I FB I 7 1 2 TZ 8 1 2 FC 7 1 2 FX 7 1 2 TA 8 1 2 FP 7 1 2 3 08 RATIO 3 23 RATIO RING LTD RING RING LTD RING STD GEAR SLIP GEAR STD GEAR SLIP GEAR FG 7 1 2 TX 8 1 2 FE 7 1 2 FV 7 1 2 TC 8 1 2 TW 8 1 2 WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION BUICK 41 42