834963A04 Mariner PISTON ASSEMBLY

24Jul2009
U-271
A-229
D-235
O-242
Before/After
Parts stock action needed PRODUCT SUPPORT PROGRAM FOR REPLACING THE TURBOCHARGER WASTEGATE CANISTER AND ENGINE SOFTWARE ON CERTAIN 740 AND 740EJ ARTICULATED TRUCKS
7750 PS42945
This Program must be administered either before or after failure.In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS42945" as the Part Numberand "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code.If administered after failure, use "96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
When submitting claim for Parts Stock Action, Use the appropriate 99Z as the s/n, the appropriate Service Letter Program Number as the Part number in the Part Causing Failure field, "7755" as the Group Number, "56" as the Description Code.
Although this Program is to be administered as described above on the Affected Product,parts should be removed from parts stock as soon as possible.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
TERMINATION DATE
31Jul2011
PROBLEM
The existing turbocharger wastegate canister may allow high exhaust temperatures to occur on certain 740 and 740EJ Articulated trucks.
AFFECTED PRODUCT
Model Identification Number
740 B1P00141-00148, 152-153, 156-166, 168-172, 175-177, 180-197, 200-204, 206, 208-212, 219-224, 226-227, 229-230, 232, 234, 236-238, 240-242, 244, 247-256, 259-262, 266-277, 279-285, 288, 290, 292-293, 295-299, 301, 303-304, 309-322, 324-328, 330-334, 337-344, 346-347, 350-355, 358-363, 365-369, 374, 376-377, 380-392, 394, 396, 398-399, 401, 403-407, 410-418, 420-424, 426-427, 433-434, 439-440, 447-451, 453-454, 456-458, 465-467, 469-476, 479-490, 492, 494-501, 503, 505, 507-510, 514-521, 524, 528, 530-534, 536, 540-543, 545-558, 561, 563-564, 566, 568-575, 578-580, 582-589, 592, 595, 597-602, 607-611, 614-616, 619-630, 632, 634-639, 642-644, 646, 650-651, 653-657, 659-660, 663-670, 673-678, 682-684, 687-690, 693, 696-701, 705-707, 711, 714-715, 718-719, 721-726, 732-737, 742-745, 748, 750-751, 753-760, 763-764, 766-772, 774-775, 779-782, 785-786, 788-794, 796, 800, 802-806, 808-810, 815-817, 819, 831, 833, 841, 846, 851-852, 854, 858, 863-867, 870-871, 873-884, 887-919, 922, 925-932, 934-939, 941-942, 944-945, 948-951, 953, 955-956, 960-964, 967-968, 970-971, 974-980, 982-985, 987-993, 995-999, 1001-1002, 1004-1005, 1008-1010, 1013-1014, 1016-1017, 1021-1025, 1028, 1031, 1033-1034, 1037-1041, 1044, 1046, 1052-1063, 1065-1067, 1069-1074, 1076-1078, 1081, 1084-1085, 1087-1088, 1091-1096, 1099-1102, 1106-1109, 1111-1121, 1126-1127, 1130, 1135-1140, 1142-1146, 1148-1149, 1151-1152, 1155-1156, 1158-1159, 1161-1163, 1165, 1171, 1173-1176, 1179-1184, 1187, 1189-1201, 1203-1205, 1207-1210, 1212-1213, 1216, 1219-1221, 1223-1224, 1229-1233, 1237-1239, 1241, 1243-1245, 1247-1249, 1259, 1261-1265, 1267-1269, 1272-1281, 1283, 1285, 1287-1288, 1290-1292, 1294-1295, 1297-1298, 1300, 1303, 1306, 1315-1316, 1322-1324, 1326, 1330-1332, 1336-1338, 1340-1343, 1345-1357, 1359, 1361-1363, 1366-1369, 1371, 1373, 1376-1377, 1379-1380, 1385-1386, 1388-1392, 1395-1396, 1399-1404, 1408, 1413-1414, 1416, 1418-1419, 1423, 1426, 1428-1429, 1431-1433, 1436, 1439-1442, 1444-1445, 1447, 1450-1455, 1458-1460, 1464-1469, 1471-1475, 1478, 1480-1481, 1483-1484, 1486-1490, 1492-1493, 1495-1502, 1505, 1508-1509, 1514, 1517, 1519, 1522-1523, 1525-1528, 1530-1538, 1540, 1542-1543, 1545-1547, 1549-1552, 1554-1558, 1560, 1562-1564, 1566-1569, 1571-1574, 1586-1587, 1589-1591, 1596, 1604-1607, 1611-1612, 1616, 1618, 1620, 1623-1624, 1631-1638, 1640-1646, 1649-1650, 1652, 1656-1659, 1661-1663, 1666-1669, 1671-1672, 1674-1677, 1680-1682, 1684, 1687, 1690-1691, 1694-1697, 1699-1700, 1702, 1705-1712, 1715-1723, 1725-1726, 1729-1730, 1734-1736, 1739-1743, 1745, 1747-1751, 1754, 1757, 1763, 1768, 1770-1772, 1775-1776, 1779-1784, 1786, 1790, 1792, 1794-1795, 1797, 1801-1803, 1805-1808, 1812-1815, 1819, 1821, 1823, 1825, 1827, 1829, 1831, 1834-1836, 1839, 1842-1844, 1846-1848, 1851-1855, 1858, 1869-1870, 1872-1873, 1876-1877, 1880-1885, 1889-1890, 1893-1896, 1898-1924, 1927-1940, 1942, 1944-1954, 1959-2001, 2003, 2005-2012, 2015-2016, 2018-2019, 2021-2024, 2026, 2030-2033, 2035-2037, 2039-2040, 2042-2043, 2050, 2052-2062, 2064-2068, 2070-2077, 2079-2084, 2086, 2090-2092, 2095-2100, 2104-2106, 2109-2111, 2116-2118, 2121-2125, 2128-2130, 2135-2138, 2140-2143, 2147-2151, 2153-2161, 2163, 2167-2168, 2170-2173, 2176-2177, 2186-2187, 2189, 2191-2203, 2207, 2210-2212, 2214, 2216-2218, 2222-2224, 2226-2232, 2234, 2239-2244, 2248, 2256-2260, 2262-2265, 2268-2269, 2271-2275, 2277-2284, 2287, 2290-2292, 2300-2306, 2308-2309, 2314-2315, 2318, 2320-2321, 2327-2333, 2335-2338, 2342, 2344-2349, 2351, 2354-2375, 2377-2388, 2393-2394, 2396-2397, 2402-2409, 2411, 2414-2417, 2419, 2421-2428, 2430-2431, 2433-2441, 2443-2444, 2447-2450, 2452-2464, 2467-2468, 2471-2494, 2496-2501, 2504-2505, 2507, 2509-2512, 2515-2517, 2519-2520, 2524-2526, 2528, 2530-2536, 2541, 2544, 2548-2549, 2551-2554, 2562-2568, 2572-2574, 2576, 2578-2580, 2582-2585, 2587, 2589-2592, 2595, 2597-2604, 2606-2614, 2616-2621, 2625, 2627, 2630-2631, 2633-2644, 2646-2647, 2650-2652, 2654-2656, 2658-2659, 2661, 2664, 2667, 2672-2674, 2676, 2678, 2682-2691, 2693-2694, 2699-2704, 2707-