21914715 Volvo.Penta Gear segment

June 1, 2004
(Revised January 2005)
U-174
A-120
O-143
TT-14
beforeor
after failure PRODUCT SUPPORT PROGRAM FOR INSTALLINGNEW SOFTWARE FILES ON CERTAIN C7 ENGINES
1901,7620 PS41621
This Program can be administered eitherbefore or after failure. In either case the decision whether to apply theProgram is made by the dealer. When reporting the repair, use "PS41621"as the Part number and "7755" as the Group Number. If administered beforefailure, use "56" as the Warranty Claim Description Code and use "T" asthe SIMS Description Code. If administered after failure, use "96" as theWarranty Claim Description Code and use "Z" as the SIMS Description 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. This Revised Service Letter replacesthe June 1, 2004 (Revised June 2004) Service Letter. Changes have beenmade to the Affected Product and Action Required.TERMINATION DATE
June 30, 2006PROBLEM
Certain C7 high horsepower engines (250HP 800lbft to 330HP) may have an engine miss or stumble complaint on accelerationand between 1400 and 2000 rpm. New software files have been released toaddress the stumble complaint. The software files will also improve lowend acceleration.AFFECTED PRODUCT
Model Identification Number
C7 KAL297, 304, 305, 310, 312, 316, 317, 320, 321, 324, 333, 337, 342, 343,346, 364, 370, 375, 376, 386, 392, 413, 416, 445, 454, 483, 496, 527, 533,555, 584, 605, 628, 634, 639, 660, 664, 695, 698, 699, 701, 707, 709, 725,741, 757, 764, 801, 803, 807, 819, 831, 832, 834, 836, 839, 844, 847, 849,864, 865, 868, 869, 877, 884, 890, 899, 902, 903, 909, 911, 913, 914, 920,924, 925, 929, 932, 937, 943, 949, 950, 953, 954, 956, 959, 961, 963, 966,971, 975, 983, 984, 992, 1001, 1005, 1007, 1009, 1016, 1019, 1024, 1028,1030, 1031, 1035, 1038, 1040, 1045, 1048, 1049, 1061-1063, 1067, 1073,1081, 1084, 1087, 1091, 1093, 1098, 1100, 1108, 1113, 1116, 1123, 1129,1134, 1137, 1144, 1149, 1151, 1159, 1162, 1164, 1167-1169, 1170, 1172,1173, 1176, 1181, 1188, 1192, 1217, 1221, 1226, 1227, 1231, 1234, 1243,1246, 1252, 1254, 1258, 1268, 1272, 1275, 1280, 1283, 1288, 1291, 1293,1294, 1299, 1313, 1316, 1323, 1329, 1331, 1334, 1346, 1349, 1353, 1354,1357, 1359, 1360, 1361, 1363, 1373, 1375, 1376, 1379, 1382, 1384, 1386,1389, 1393, 1397, 1399, 1405, 1409, 1410, 1419, 1424, 1427, 1437, 1438,1440, 1443, 1445, 1448, 1451, 1452, 1457, 1462, 1465, 1466, 1473, 1475,1478, 1480, 1483, 1484, 1486, 1489-1491, 1495, 1496, 1500, 1504, 1511,1513-1515, 1518, 1522, 1524, 1526, 1530, 1531, 1534, 1541, 1543, 1544,1548-1550, 1559, 1560, 1562, 1564-1568, 1571, 1572, 1574, 1575, 1580, 1583,1585-1588, 1591, 1593, 1596, 1600, 1603, 1611, 1614, 1615, 1616, 1619,1621, 1627, 1628, 1630, 1633, 1635, 1636, 1639, 1640, 1642, 1645, 1650,1655, 1656, 1662-1665, 1668, 1673, 1674, 1675, 1677, 1684, 1689, 1690,1694, 1696, 1698, 1704, 1707, 1708, 1710, 1713, 1715, 1716, 1719, 1722,1723, 1727, 1730, 1735, 1736, 1738, 1739, 1744, 1746-1751, 1753-1755, 1757-1762,1765, 1766, 1768, 1770, 1774, 1775, 1782, 1792, 1794, 1798, 1801, 1806,1808, 1813, 1817, 1819, 1823, 1824, 1826-1828, 1830, 1834, 1839, 1840,1843, 1845, 1848, 1849, 1851, 1852, 1854, 1855, 1858, 1865, 1867, 1880,1886, 1889, 1891, 1893, 1896, 1898, 1900, 1907, 1910, 1916, 1917, 1919,1920, 1922, 1937, 1939-1941, 1952, 1955, 1963, 1966, 1971-1973, 1979, 1985,1989, 1990, 1992, 1994, 2004, 2009, 2012, 2023, 2024, 2030, 2034, 2037,2041, 2045, 2047-2049, 2052, 2063, 2066, 2067, 2069, 2070, 2074, 2077,2079, 2082, 2086, 2093, 2098, 2117, 2120, 2121, 2130, 2140, 2145, 2155,2160, 2162, 2181, 2185-2187, 2200, 2210, 2222, 2225, 2227, 2229, 2230,2238, 2243, 2251, 2252, 2256, 2258, 2265, 2266, 2271, 2281, 2290, 2293,2303-2305, 2308, 2316, 2317, 2320, 2330, 2333, 2336, 2338, 2339, 2343,2346, 2351, 2353, 2356, 2360, 2364, 2365, 2368, 2372-2375, 2377, 2381,2388, 2389, 2397, 2398, 2401, 2402, 2407-2409, 2419, 2420, 2428, 2430,2433, 2434, 2436, 2448, 2450, 2452, 2461, 2468, 2475, 2481, 2491, 2493,2496, 2500, 2507, 2508, 2521, 2522, 2525, 2530, 2532, 2535, 2542, 2545,2547, 2549, 2553, 2554, 2557, 2559, 2564, 2576, 2590, 2594-2596, 2600,2603, 2608, 2609, 2615, 2622, 2625, 2629, 2638, 2640, 2647, 2648, 2651,2656, 2657, 2661-2663, 2680, 2683, 2685, 2687, 2700, 2704, 2707, 2709,2712, 2719, 2720, 2723, 2724, 2726, 2728-2730, 2735, 2736, 2738, 2751,2753, 2792, 2794, 2801, 2807, 2816, 2819, 2822, 2834, 2838, 2839, 2850,2855, 2856, 2872, 2891, 2893, 2898, 2901, 2905, 2906, 2909, 2917, 2919,2926, 2927, 2934, 2935, 2945, 2952, 2961, 2968, 2970, 2980, 2984, 2985,2988, 3005, 3014, 3017, 3021, 3031, 3037, 3087, 3095, 3104, 3108, 3116,3122, 3125, 3131, 3135, 3141, 3144, 3149, 3152, 3159, 3179, 3196, 3198,3199, 3215, 3216, 3219, 3223, 3226, 3234, 3239, 3242, 3267, 3276, 3277,3281, 3283, 3288, 3298, 3305, 3306, 3311, 3320, 3325, 3328, 3336, 3343,3344, 3358, 3398, 3403, 3423, 3435, 3436, 3447, 3450, 3470, 3473, 3493,3505, 3523, 3544, 3557, 3560, 3570, 3574, 3576, 3582, 3606, 3618, 3626,3634, 3636, 3642, 3668, 3690, 3703, 3729, 3741, 3754, 3766, 3769, 3772,3774, 3776, 3780, 3789, 3793, 3808, 3810, 3812, 3825, 3840, 3842, 3843,3846, 3854, 3863, 3868, 3875, 3882-3884, 3891, 3901, 3912, 3926, 3932,3937, 3943, 3948, 3949, 3952, 3955, 3957, 3959, 3961, 3972, 3985, 3988,3999, 4014, 4016, 4020, 4022, 4039, 4040, 4046, 4052, 4054, 4062, 4065,4066, 4084, 4085, 4089, 4134-4137, 4139-4152, 4155-4163, 4180-4185, 4187,4188, 4203, 4205, 4207-4209, 4211, 4222, 4235, 4240, 4243, 4246, 4252,4255, 4259, 4269, 4273, 4282, 4283, 4287, 4292, 4295, 4297, 4302, 4311,4317, 4319, 4320, 4324, 4349, 4350, 4354, 4356, 4365, 4378, 4379, 4382,4384, 4386, 4391, 4392, 4394, 4399, 4407, 4409, 4410, 4412, 4416,4422,4423, 4426, 4433, 4439, 4442, 4449, 4455, 4461, 4464, 4467, 4468, 4475,4487, 4489, 4498, 4501, 4502, 4508, 4524, 4527, 4528, 4531, 4538, 4541,4542, 4550, 4555, 4561, 4565, 4575, 4576, 4598, 4603, 4605, 4609, 4615,4638, 4656, 4659, 4664, 4670, 4686, 4701, 4707, 4714, 4723, 4726, 4729,4733, 4741, 4745, 4748, 4751, 4756, 4757, 4801, 4810, 4824, 4830, 4850,4852, 4861, 4877, 4884, 4893, 4897, 4898, 4899, 4906, 4907, 4912, 4924,4930, 4936, 4938, 4941, 4945, 4954, 4960, 4964, 4970, 4974, 4975, 4977,4979, 4980, 4982, 4987, 4995, 5001, 5005, 5015, 5016, 5019, 5025, 5036,5039, 5042, 5045, 5059, 5062, 5066, 5069, 5071, 5074, 5078, 5080, 5081,5083, 5085, 5087-5089, 5093, 5103, 5107, 5114, 5117, 5125, 5129, 5132,5135, 5138, 5160, 5171, 5177, 5186, 5187, 5189-5191, 5202, 5209, 5213,5224, 5227, 5233, 5240, 5265, 5276, 5279, 5281, 5283,