ROCKWELL REAR AIR O SERIES DRUM BRAKES ROCKWELL CHART INCLS ONLY 16 1 2 X 5 6 7 O SERIES REAR AIR DRUM BRAKES 1 LINE GMC NOUN NAME WDDGM 15506257 15506258 15506259 15506260 I NO GRP GRP ROCKWELL ROCKWELL ROCKWELL ROCKWELL I 1 BRAKE SHOE SIZE 16 1 2 X7 16 1 2 X 7 16 1 2 X7 16 1 2 X7 I I 1 I ADJUSTER TYPE MANUAL REAR MANUAL REAR MANUAL REAR MANUAL REAR I I 3 4 0003 BRAKE ASM PART OF ABOVE ASM 5 000 15503746 15503747 15503748 15503749 I LESS DUST SHIELDS 8 FASTENERSI 0M 1657 1109 EDOM 1657 1110 0M 1657 1113 EOM 1657 1114 I I 4 I 4 0700 ADJUSTER SLACK REFER T0 THE 5 125 1 15583757 1 15583757 1 15583757 1 15583757 I I ADJUSTER CHARTS FOR DETAILS A61 3275 X 596 A61 3275 X 596 A61 3275 X 596 I A61 3275 X 596 1 I 5 4 0700 ADJUSTER SLACK REFER T0 THE 5 125 I I ADJUSTER CHARTS FOR DETAILSI I 6 4 0070 BOLT SCREW BRAKE DUST SHIELD 5 002 6 9419049 6 9419049 6 9419049 6 9419049 I 3 8 16 X 1 2 3 8 16 X 1 2 3 8 16 X 1 2 3 8 16 X 1 2 I 7 4 0620 BOLT CAMSHAFT BRACKET 5 130 4 427566 4 427566 4 427566 4 427566 1 2 13 X 1 1 2 1 2 13 X 1 1 2 1 2 13 X 1 1 2 1 2 13 X 1 1 2 I 8 4 0625 BRACKET CAMSHAFT 8 CHAMBER 5 130 1 2095112 1 2095118 1 15515278 1 15515279 I QA7 3299 M 5655 A7 3299 L 5654 QA43 3299 M 5655 QA43 3299 L 5654 I 9 I 4 0025 BUSHING BRAKE SHOE ANCHOR PIN 5 020 2 659282 2 659282 2 659282 2 659282 STAINLESS STEELI 1225 B 496 1225 B 496 1225 B 496 1225 B 496 I I 10 4 0630 BUSHING CAMSHAFT SPIDER 8 5 130 2 2309474 2 2309474 2 2309474 2 2309474 1 BRACKET 1225 N 378 1225 N 378 1225 N 378 1225 N 378 I 11 A mm cAMs Iw 11A 11 6 130 I 12 I 4 0639 CAMSHAFT KIT BRAKE INCLS ITEMS 5 130 1 2090723 1 2090719 1 2090723 1 2090719 I MARKED 0 2210 A 5331 S 2210 B 5332 S 2210 A 5331 S 2210 B 5332 S 13 4 0105 COVER BRAKE INSPECTION 5 117 2 2424777 2 2424777 2 2424777 2 2424777 1707 B 2 I i1707 B 2 1707 B 2 1707 B 2 I 14 4 0640 KIT CAMSHAFT WASHER RING 0 5 130 1 2089373 1 2089373 1 2089373 1 2089373 LESS CAMSHAFTI INCL ITEMS I YK 8008 EK 8008 LK 8008 K 8008 15 4 00573 KIT SHIELD DUST 5 002 1 2045014 1 2045014 1 2045014 1 2045014 I A1 3236 0 2123 QA1 3236 0 2123 iA1 3236 0 2123 A1 3236 0 2123 A 16 4 0047 KIT MAJOR SHOE OVERHAULIW SHOE 5 043 I BUSH LNG PINS SPRINGS 17 4 0047 KIT MINOR OVERHAUL LESS SHOES 5 043 8 RIVI INCL LNG RET RLR 8 SPRI 1 18 4 0047 KIT MINOR RPR LESS LNG 8 SHOE 5 043 1 2045995 I 1 2045995 1 2045995 1 2045995 I INCL BUST PINS RET RLR 8 SPR yI8O00 38000 8000 Q8000 19 I 4 0015 LINING KIT LESS ROLLERS 8 5 018 1 718335 1 718335 I 1 718335 1 718335 SPRINGS1 INCL LININGS 8 RIVETSI I I2000 B 704 2000 8 704 2000 B 704 2000 B 704 20 I 4 00208 NUT BRAKE MOUNTING BOLT 5 056 AR 9422305 AR 9422305 AR 9422305 AR 9422305 I 5 8 11 5 8 11 5 8 11 5 8 11 2f I 4 0170 PIN SHOE ANCHOR 5 055 I 2 2046920 2 2046920 1 2 2046920 I 2 2046920 pi1259 N 274 1 1259 11 274 1259 YN 274 Q1259 N 274 22 I 4 0039 RETAINER SHOE ROLLER 5 020 2 15513017 I 2 15513017 2 15513017 2 15513017 1 1 3105 B 210 3105 8 210 3105 B 210 3105 B 210 I 23 4 0659 RING RFFAININO CAMSHAFT 1 5 130 1 2084253 1 2084253 I 1 2084253 I 1 2084253 I 1229 D 2942 31229 D 2942 1229 D 2942 31229 0 2942 T I 24 4 0040 R3 JET SHOE EINING 5 019 I AR 2373637 AR 2373637 I AR 2373637 AR 2373637 I I I 1 4 X 9 16 1 4 X 9 16 1 4 X 9 16 I 1 4 X 9 16 I 25 I 4 0045 ROLLER SHOE 5 020 I 2 2295551 I 2 2295551 2 2295551 2 2295551 I I I jI 1779 R 18 3 1779 R 18 3 1779 R 18 1779 R 18 GENERAL MOTORS SERVICE PARTS OPERATIONS M SB NOTE N S LISTED FOR REFERENCE ONLY 5 34 CHART VENDOR NUMBER