8M0045720 Mercury ECM, Engine Control Module - 50

10Nov2015
(Revised 11Feb2016)
U-604
Before/After
PRODUCT SUPPORT PROGRAM FOR UPDATING ENGINES FOR COLD WEATHER OPERATION ON CERTAIN 906H2, 906M, 907H2, 907M, 908H2, AND 908M COMPACT WHEEL LOADERS
1074 1317 7620 664E 1408 PS44904
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
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 "PS44904" 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.
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.
This Revised Service Letter replaces the 10Nov2015 (Revised 25Nov2015) Service Letter. Changes have been made to the Parts Required and Service Claim Allowances.
TERMINATION DATE
30Nov2017
PROBLEM
The existing closed crankcase breather can freeze when operating in temperatures below -18 degrees Celsius (0 degrees Fahrenheit) on certain 906H2, 906M, 907H2, 907M, 908H2, and 908M Compact Wheel Loaders. If the closed crankcase breather freezes, engine damage can occur.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
906H 2 JRF00152, 154, 156-157, 159, 163, 172, 175, 178, 182, 185, 194, 196, 198, 200-204, 206, 227-228, 230, 235-236, 239, 246, 250, 252, 256, 258, 260, 265, 268, 271, 275-278, 280-281, 283, 287-289, 291-292, 294, 297, 299, 301, 303-304, 306-309, 311, 313, 318, 320, 322, 324, 326, 335-337, 340-341, 346, 348-349, 352, 356-357, 364, 366, 368, 373, 375, 384, 387, 391, 433, 435-436, 446, 452, 471, 479, 481, 489, 491, 493, 508, 513, 524, 530, 554, 564, 569, 572, 575, 578, 583, 587, 594, 598, 604, 606-607, 615, 691, 695, 698, 702, 733, 741, 752, 764, 766, 768, 772, 774, 776, 779, 782, 784-785, 787, 789, 793, 797, 806, 825, 856, 864-865, 867-873, 875, 927-928, 930-931, 1001, 1007, 1010-1011, 1032, 1073, 1125, 1134, 1157, 1161, 1163, 1166, 1196, 1216, 1221, 1227, 1231, 1233, 1236, 1241-1242, 1244, 1246, 1249-1250, 1252, 1254, 1256, 1258, 1264, 1266, 1268, 1271, 1279-1280, 1286, 1290, 1298, 1301, 1303, 1316, 1319, 1321, 1324, 1327-1328, 1332, 1336, 1338-1339, 1342-1343, 1345, 1350, 1352, 1354, 1358, 1365, 1369-1370, 1375, 1378-1379, 1381-1382, 1385-1387, 1390, 1393, 1395, 1397, 1404, 1406, 1412, 1417-1423, 1425-1426, 1428, 1430-1431, 1436, 1438, 1440, 1442, 1446, 1450-1456, 1461, 1463-1464, 1481, 1483-1484, 1487-1490, 1492, 1495-1496, 1498, 1501-1504, 1506, 1509-1512, 1527, 1529-1533, 1535-1536, 1538-1539, 1543, 1550-1552, 1555, 1558, 1564-1565, 1570-1571, 1573, 1576, 1578, 1581, 1584, 1586, 1588, 1590, 1592, 1606, 1633, 1636, 1648, 1665, 1668, 1671, 1676, 1678-1679, 1683-1685, 1687, 1690-1691, 1693, 1700, 1702, 1705, 1707, 1709-1711, 1714, 1716-1718, 1722, 1727, 1734, 1736-1737, 1742-1745, 1747, 1749-1751, 1758, 1762-1763, 1770, 1779-1780, 1798-1799, 1809, 1813-1814, 1817, 1819, 1862, 1910, 1917, 1927, 1935, 1939, 1941, 1943-1944, 1951-1952, 1957, 1960, 1970, 1972, 1977, 1979, 1984, 1986, 1992, 1995, 1997, 2004, 2017, 2054, 2058, 2071, 2074, 2082-2083, 2086-2087, 2092, 2095, 2103-2104, 2106-2107, 2112, 2115, 2121, 2123, 2126-2127, 2130, 2133, 2135, 2137, 2141, 2148, 2157, 2163, 2177, 2180, 2201, 2211, 2215, 2217, 2219-2221, 2232, 2240, 2245, 2250, 2261, 2263, 2283, 2286, 2290, 2305, 2307, 2309, 2321, 2323, 2326, 2333, 2346, 2400, 2427, 2430, 2432-2433, 2435, 2437-2438, 2442-2443, 2446, 2448, 2450, 2452, 2454, 2456, 2458, 2460, 2462, 2464, 2466-2467, 2469, 2472, 2474-2475, 2477-2483, 2487-2488, 2492, 2494, 2498, 2500-2507, 2510, 2513-2515, 2519, 2521-2522, 2525, 2549, 2551, 2553, 2555, 2557, 2559, 2561, 2563-2564, 2572, 2575, 2577, 2582-2584, 2587, 2591, 2594, 2597-2599, 2604, 2617, 2619, 2621-2623, 2625, 2627-2628, 2631, 2633, 2636, 2638, 2641, 2644-2645, 2647, 2649-2650, 2654, 2656, 2662, 2677, 2681-2682, 2691-2692, 2694-2697, 2701-2703, 2705-2708, 2710-2711, 2715, 2717, 2720-2726, 2730-2731, 2733-2734, 2738, 2740-2741, 2743-2748, 2752-2753, 2760-2761, 2764, 2766, 2776-2777, 2779-2780, 2782, 2784, 2786-2787, 2789, 2792-2793, 2795, 2798, 2802, 2804, 2807, 2810, 2813, 2815, 2841, 2860, 2867, 2871-2872, 2875-2876, 2879, 2881, 2886, 2888-2892, 2894-2899, 2901, 2909, 2917, 2919, 2924-2927, 2929-2931, 2933-2938, 2941-2945, 2947-2949, 2951, 2953, 2955-2959, 2962-2966, 2968, 2971-2972, 2975-2981, 2983-2984, 2986-2988, 2990-2991, 2996-2997, 3000-3001, 3003-3004, 3007-3008, 3010-3012, 3014-3015, 3018-3019, 3023-3027
906M Z6600189-00190, 194, 199, 201, 205, 210, 217, 219, 22