GEAR-PUMP 7W7141 - Caterpillar

Caterpillar: Confidential Yellow
This Program can only be administered after a failure occurs. The decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS0658" as the Part Number and "7755" as the Group Number. Use "96" as the Warranty Claim Description Code and use " Z" as the SIMS Description Code.
This Revised Service Letter replaces the February 20, 1993 Service Letter. Changes have been made to the Affected Product, Action Required, and Service Claim Allowances.
Termination Date
February 28, 1994Problem
A 6I3045 Heater Group for the intake air manifold can be installed to improve the starting and cold engine operation of certain 3406B and 3406C Engines while operating in cold weather or in cold climates.
Affected Product
Model & Identification Number
3406B (5YG1-783)
3406B (2EK179, 2EK180, 2EK185, 2EK188, 2EK190, 2EK202-204, 2EK206, 2EK208-211, 2EK214, 2EK216, 2EK217, 2EK219-221, 2EK224, 2EK226, 2EK228-232, 2EK234, 2EK236, 2EK238-240, 2EK243, 2EK246, 2EK251, 2EK255, 2EK264, 2EK272, 2EK273, 2EK285, 2EK287, 2EK288, 2EK290, 2EK292, 2EK294, 2EK300, 2EK302, 2EK304, 2EK316, 2EK333, 2EK334, 2EK339, 2EK357, 2EK392, 2EK393, 2EK399, 2EK409, 2EK426, 2EK430, 2EK431, 2EK445, 2EK446, 2EK483-485, 2EK487, 2EK489, 2EK497, 2EK500, 2EK503, 2EK504, 2EK509, 2EK511, 2EK519, 2EK522, 2EK524, 2EK538, 2EK542, 2EK554, 2EK555, 2EK560, 2EK562, 2EK580, 2EK585, 2EK587, 2EK593, 2EK597, 2EK600, 2EK601, 2EK603, 2EK635, 2EK639, 2EK644, 2EK645, 2EK653, 2EK660, 2EK674, 2EK676, 2EK678, 2EK681-685, 2EK688, 2EK689, 2EK692, 2EK693, 2EK706, 2EK713, 2EK716, 2EK723, 2EK732, 2EK733, 2EK737, 2EK738, 2EK741, 2EK743, 2EK745, 2EK746, 2EK751, 2EK753, 2EK756, 2EK757, 2EK760, 2EK766, 2EK769-771, 2EK773, 2EK779, 2EK784, 2EK787, 2EK794, 2EK796, 2EK800, 2EK804, 2EK805, 2EK839, 2EK845, 2EK862, 2EK872, 2EK886, 2EK887, 2EK889, 2EK904, 2EK918, 2EK919, 2EK921, 2EK931, 2EK933, 2EK934, 2EK938, 2EK940, 2EK942, 2EK944, 2EK945, 2EK957, 2EK961, 2EK965, 2EK966, 2EK968, 2EK971, 2EK982, 2EK994, 2EK1006, 2EK1028, 2EK1036, 2EK1066, 2EK1075, 2EK1078, 2EK1080, 2EK1083, 2EK1087, 2EK1110, 2EK1112, 2EK1116, 2EK1121, 2EK1138, 2EK1140, 2EK1143, 2EK1149-1151, 2EK1154-1156, 2EK1158-1159, 2EK1159, 2EK1161, 2EK1167, 2EK1175, 2EK1210, 2EK1213, 2EK1214, 2EK1216, 2EK1221, 2EK1227, 2EK1240, 2EK1241, 2EK1245, 2EK1279, 2EK1286, 2EK1301, 2EK1332-1334, 2EK1342, 2EK1343, 2EK1351, 2EK1354, 2EK1401, 2EK1412, 2EK1428, 2EK1433, 2EK1436, 2EK1438, 2EK1440, 2EK1441, 2EK1444, 2EK1459, 2EK1476, 2EK1498, 2EK1499, 2EK1503, 2EK1507, 2EK1518, 2EK1519, 2EK1521, 2EK1524, 2EK1537, 2EK1541, 2EK1603, 2EK1606, 2EK1608, 2EK1611, 2EK1624, 2EK1652, 2EK1654, 2EK1657, 2EK1658, 2EK1661, 2EK1669, 2EK1681, 2EK1687, 2EK1702, 2EK1704-1706, 2EK1708, 2EK1711, 2EK1715, 2EK1728, 2EK1729, 2EK1739, 2EK1742, 2EK1750, 2EK1753, 2EK1765, 2EK1767, 2EK1770, 2EK1773-1779, 2EK1793, 2EK1796, 2EK1798, 2EK1799, 2EK1801, 2EK1802, 2EK1823, 2EK1834, 2EK1835, 2EK1848, 2EK1850, 2EK1852, 2EK1856, 2EK1859, 2EK1865, 2EK1916, 2EK1930)
3406C (4CK168, 4CK169, 4CK173, 4CK181, 4CK183, 4CK199, 4CK200, 4CK217, 4CK271, 4CK272, 4CK295, 4CK296, 4CK401, 4CK436, 4CK486, 4CK489, 4CK491, 4CK855, 4CK857, 4CK891, 4CK892, 4CK894, 4CK952, 4CK955, 4CK960, 4CK961, 4CK973, 4CK977, 4CK978, 4CK1011, 4CK1013, 4CK1040, 4CK1088, 4CK1091, 4CK1108, 4CK1124, 4CK1185, 4CK1195, 4CK1196, 4CK1199, 4CK1270, 4CK1313, 4CK1323, 4CK1374, 4CK1378, 4CK1417, 4CK1419, 4CK1433, 4CK1468, 4CK1528, 4CK1534, 4CK1547, 4CK1549, 4CK1550, 4CK1552-1554, 4CK1557, 4CK1558, 4CK1566-1569, 4CK1582, 4CK1584, 4CK1691, 4CK1698, 4CK1724, 4CK1730, 4CK1732, 4CK1735, 4CK1736, 4CK1739, 4CK1741, 4CK1746, 4CK1750, 4CK1754, 4CK1757, 4CK1805, 4CK1807, 4CK1811, 4CK1833, 4CK1836, 4CK1855, 4CK1860, 4CK1865, 4CK1894, 4CK1896, 4CK1898, 4CK1899, 4CK1901, 4CK1904, 4CK1905, 4CK1909, 4CK1915, 4CK1917, 4CK1919, 4CK2082, 4CK2089, 4CK2094, 4CK2097, 4CK2101, 4CK2140, 4CK2157, 4CK2244, 4CK2411, 4CK2478, 4CK2526, 4CK2554, 4CK2571, 4CK2594, 4CK2636, 4CK2660, 4CK2683, 4CK2854, 4CK3096, 4CK3314, 4CK3348, 4CK3432, 4CK3561, 4CK3650, 4CK3825, 4CK3828, 4CK3834, 4CK3886, 4CK3939, 4CK3953, 4CK4140, 4CK4334,