89938 Mercury SEAL, CRANKSHAFT/DRIVESHAFT

October 25, 2002
U-279
A-192
AU-206
S-205
H-203
O-227
TT-6
Priority PRODUCT IMPROVEMENT PROGRAM FOR RESETTINGTHE VALVE LASH ON CERTAIN 3126, 3126B, 3126E, AND C-9 ENGINES USED IN TRUCK,COMMERCIAL, AND MACHINE APPLICATIONS
1105 PI30403
This Program must be administered assoon as possible. When reporting the repair, use "PI30403" as the Partnumber and "7751" as the Group Number, "56" as the Warranty Claim DescriptionCode and "T" as the SIMS Description Code. Exception: If the repair isdone after failure, use "PI30403" as the Part Number, "7751" as the GroupNumber, "96" as the Warranty Claim Description Code, and "Z" as the SIMSDescription Code. The information supplied in this serviceletter may not be valid after the termination date of this program. Donot perform the work outlined in this Service Letter after the terminationdate without first contacting your Caterpillar product analyst.
COMPLETION DATE
TERMINATION DATE
April 30, 2003 October 31, 2003PROBLEM
The valve lash may not have been correctly setat the factory on certain 3126, 3126B, 3126E, and C-9 Engines. The valvelash on those engines needs to be reset as soon as possible to avoid possibleengine damage.AFFECTED PRODUCT
Model Identification Number
3126 1BW801,817, 822, 824, 826, 827, 831, 833, 838, 841, 842, 846, 852, 853, 855, 866,868, 874, 875, 876, 881, 887, 888, 891, 892, 894, 917, 919, 921, 928, 939,954, 956, 961, 962, 968, 974, 985, 990, 992, 993, 996-1000, 1004, 1005,1007, 1008, 1014, 1018, 1034, 1036, 1051, 1058, 1072
3126 1ZJ2924,2930, 2931, 2958, 2985, 2987, 2989, 2995, 3004, 3005, 3007, 3014, 3020,3028, 3046, 3051, 3052, 3054, 3055, 3078, 3081, 3086, 3109, 3115, 3124-3126,3129, 3133, 3135, 3139, 3141, 3151, 3156-3158, 3160, 3162, 3164, 3184,3193, 3199, 3201, 3211, 3215, 3218, 3219, 3231-3233, 3237, 3244-3246, 3250,3251, 3253, 3256, 3260, 3264, 3270, 3276, 3277, 3279, 3280, 3284, 3286,3291, 3299, 3300, 3302-3305, 3310, 3318, 3325, 3327, 3333, 3338, 3341-3344,3348, 3354, 3357, 3359, 3364, 3367, 3369, 3372, 3374, 3380, 3386, 3388,3394, 3395, 3397, 3404, 3421, 3424
3126 4EZ242,243, 248, 264-266, 268, 272, 274, 275, 277, 282, 283, 285, 287, 288, 299
3126 6PZ955,959-962, 966, 969, 971, 1083, 1118
3126 7JZ1838,4132, 4297, 4344, 4440, 4443-4445, 4455, 4458, 4460, 4469, 4480, 4506,4517, 4550, 4567, 4580, 4660, 4686, 4761, 4768, 4809, 4944, 4946, 5027,5029, 5072
3126 8SZ267
3126 9ZR2217,2239, 2245, 2279, 2284-2287, 2289, 2292, 2293, 2295, 2296, 2298, 2317,2318, 2336, 2337, 2340, 2347, 2352, 2360, 2364, 2376, 2379-2383, 2390,2391, 2399, 2401-2403, 2408-2411, 2414
3126 CKK160,161, 168, 170, 172, 174, 178
3126B 1AJ346
3126B 3GS948,1006
3126B 9SZ10519,10625, 10634, 10699, 10700, 10769, 11012, 11065, 11080, 11238, 11314, 11380,11401, 11435, 11500, 11505, 11556, 11576, 11654, 11700, 11733, 11735, 11767,11803, 11804, 11808, 11810, 11839, 11851, 11872, 11886, 11894, 11938, 11995,12002, 12037, 12061, 12070, 12072, 12074, 12094, 12095, 12126, 12168, 12225,12303, 12368, 12374, 12378, 12379, 12487, 12510, 12528, 12543, 12551, 12568,12620, 12630, 12631, 12637, 12751, 12764, 12786, 12805, 12812, 12907, 12921,12930, 13016
3126B BEJ689,757, 767, 783, 795, 801, 807, 823, 825, 828, 849, 912, 931, 970, 974, 980,984, 991, 993, 995, 1002, 1005, 1007, 1024, 1025, 1028, 1034, 1037, 1050,1059, 1060, 1064, 1081, 1109, 1125, 1130, 1169, 1183, 1224, 1284, 1317,1319, 1332, 1366, 1371, 1373, 1451
3126B BKD468,498, 501, 522, 539, 556, 561, 564, 572-574, 683
3126B CKM36964,37434, 37453, 37631, 37702, 37792, 37917, 38124, 38229, 38511, 38535, 38539,38598, 38643, 38692, 38988, 39053, 39062, 30966, 39084, 39114, 39170, 39224,39232, 39499, 39517, 39589, 39595, 39813, 40012, 40108, 40155, 40270, 40295,40320, 40374, 40392, 40394, 40456, 40466, 40579, 40587, 40600, 40690, 40892,41388, 41392, 41400, 41402, 41417, 41427, 41455, 41583, 41589, 41600, 42080,42285, 42595, 42642, 42651, 42826, 42855, 42882, 42888, 42959, 43029, 43222,43231, 43232, 43271, 43333, 43384, 43395, 43399, 43401, 43420, 43490, 43674,43681, 43688, 43698, 43702, 43803, 43807, 43890, 44005, 44012, 44017, 44037,44038, 44040, 44047, 44048, 44463, 44495, 44516, 44538, 44551, 44578, 44610,44714, 44858, 44914, 45108, 45205, 45282, 45378, 45390, 45402, 45403, 45411,45435, 45542, 45585, 45617, 45688, 45850, 45859, 45870, 45874, 45918, 46085,46473, 46481, 46543, 46570, 46585, 46804, 46819, 46896, 46902, 47001, 47059,47242, 47267, 47271, 47276, 47314, 47328, 47344, 47348, 47372, 47373, 47408,47450, 47483, 47555, 47564, 47571, 47583, 47586, 47600, 47617, 47625, 47641,47669, 47672, 47684, 47685, 47708, 47713, 47769, 47830, 47860, 47897, 47901,47951, 47958, 47987, 48069, 48081, 48085, 48086, 48099, 48105, 48115, 48119,48120, 48155, 48162, 48172, 48173, 48194, 48218, 48221, 48238, 48251, 48315,48459, 48365, 48373, 48383, 48425, 48438, 48464, 48470, 48473, 48507, 48524,48543, 48608, 48622, 48670, 48727, 48729, 48751, 48790, 48858, 48892, 48925,48929, 49044, 49052, 49061, 49164, 49167, 49199, 49206, 49214, 49215, 49220,49231, 49280, 49296, 49308, 49336, 49367, 49375, 49420, 49430, 49452, 49518,49534, 49588, 49622, 49624, 49626, 49633, 49673, 49677, 49683, 49697, 49698,49733, 49744, 49891, 50066, 50140, 50149, 50167, 50349, 50405, 50481, 50499,50503, 50567, 50650, 50738, 50758, 50775, 50941, 50945, 50962, 50965, 50997,51053, 51129, 51163, 51165, 51166, 51171, 51172, 51182, 51220, 51344, 51350,51372, 51390, 51406, 51417, 51426, 51434, 51467, 51469, 51479, 51479, 51488,51429, 51494, 51505, 51508, 51521, 51524, 51526, 51527-51530, 51538, 51540,51544, 51549, 51551, 51553, 51555, 51557, 51559, 51561, 51565, 51568, 51569,51573, 51660, 51679, 51685, 51688, 51698, 51706, 51709, 51722, 51756, 51762,51764, 51777, 51814, 51868, 51900, 51927, 51954, 51995, 52005, 52011, 52046,52072, 52084, 52120, 52121, 52123, 52131, 52138, 52148, 52150, 52152, 52156,52160, 52162, 52166, 52169, 52173, 52182, 52184, 52185, 52188, 52192, 52195,52198, 52199, 52200, 52207, 52209, 52210, 52212, 52213, 52215, 52217, 52252,52256, 52258, 52269, 52271, 52283, 52285, 52307,