973489 Volvo.Penta V-belt

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 Program must be administered as soon as possible. When reporting the repair, use "PI3087" as the Part Number, "7751" as the Group Number, "56" as the Warranty Claim Description Code and "T" as the SIMS Description Code. Exception: If the repair is done after failure, use "PI3087" as the Part Number, "7751" as the Group Number, "96" as the Warranty Claim Description Code, and "Z" as the SIMS 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.
Completion Date
July 31, 1998Termination Date
January 31, 1999Problem
The muffler can crack at the mounting bracket and the engine valve cover breather and hoses from the gas recirculation system may deteriorate due to excessive heat on certain 966FII and 970F Wheel Loaders equipped with the environmental version "blue angel". The muffler, breather and hose need to be replaced on these machines.
Affected Product
Model & Identification Number
GROUP 1
966FII (9YJ1745, 9YJ1754, 9YJ1767, 9YJ1782, 9YJ1798, 9YJ1809, 9YJ1819, 9YJ1829, 9YJ1837, 9YJ1846, 9YJ1863, 9YJ1916, 9YJ1937, 9YJ2013, 9YJ2020, 9YJ2023, 9YJ2027, 9YJ2028, 9YJ2030, 9YJ2040, 9YJ2044, 9YJ2053, 9YJ2060, 9YJ2068, 9YJ2076, 9YJ2084, 9YJ2096, 9YJ2126, 9YJ2137, 9YJ2147, 9YJ2148, 9YJ2157, 9YJ2166, 9YJ2168, 9YJ2173, 9YJ2176, 9YJ2187, 9YJ2192, 9YJ2193, 9YJ2197, 9YJ2198, 9YJ2206, 9YJ2217, 9YJ2263, 9YJ2268, 9YJ2277, 9YJ2283, 9YJ2286, 9YJ2288, 9YJ2289, 9YJ2292, 9YJ2296, 9YJ2302, 9YJ2307, 9YJ2323, 9YJ2341, 9YJ2353, 9YJ2360, 9YJ2365, 9YJ2371, 9YJ2373, 9YJ2376, 9YJ2383, 9YJ2389, 9YJ2403, 9YJ2429, 9YJ2437, 9YJ2463, 9YJ2501, 9YJ2502, 9YJ2504, 9YJ2517, 9YJ2556, 9YJ2560, 9YJ2577, 9YJ2579, 9YJ2584, 9YJ2597, 9YJ2602, 9YJ2603, 9YJ2607-2609, 9YJ2621, 9YJ2627, 9YJ2635, 9YJ2638, 9YJ2641, 9YJ2644, 9YJ2647, 9YJ2650, 9YJ2652-2654, 9YJ2692, 9YJ2734, 9YJ2742, 9YJ2743, 9YJ2747, 9YJ2762, 9YJ2769, 9YJ2772, 9YJ2805, 9YJ2808, 9YJ2813, 9YJ2821, 9YJ2826, 9YJ2831, 9YJ2837, 9YJ2843, 9YJ2848, 9YJ2852, 9YJ2870, 9YJ2872, 9YJ2874, 9YJ2876, 9YJ2878, 9YJ2890, 9YJ2897, 9YJ2900, 9YJ2906, 9YJ2917, 9YJ2921, 9YJ2925, 9YJ2929, 9YJ2937, 9YJ2941, 9YJ2945, 9YJ2953, 9YJ2957, 9YJ2961, 9YJ2965, 9YJ3005, 9YJ3010, 9YJ3012, 9YJ3016, 9YJ3026, 9YJ3035, 9YJ3044, 9YJ3053, 9YJ3055, 9YJ3065, 9YJ3075, 9YJ3083, 9YJ3087, 9YJ3097, 9YJ3102, 9YJ3107, 9YJ3112, 9YJ3132, 9YJ3137, 9YJ3142, 9YJ3152, 9YJ3157, 9YJ3159, 9YJ3163, 9YJ3176, 9YJ3179, 9YJ3180, 9YJ3184, 9YJ3185, 9YJ3188, 9YJ3190, 9YJ3191, 9YJ3194, 9YJ3197, 9YJ3201, 9YJ3294, 9YJ3299, 9YJ3303, 9YJ3307, 9YJ3313, 9YJ3325, 9YJ3379, 9YJ3386, 9YJ3397, 9YJ3421, 9YJ3442-3444, 9YJ3501, 9YJ3504, 9YJ3508, 9YJ3512, 9YJ3597, 9YJ3601, 9YJ3635, 9YJ3636, 9YJ3638, 9YJ3639, 9YJ3640, 9YJ3653, 9YJ3669, 9YJ3867, 9YJ3899, 9YJ3901, 9YJ3923, 9YJ3997, 9YJ4040, 9YJ4069, 9YJ4085, 9YJ4086, 9YJ4098, 9YJ4150, 9YJ4160, 9YJ4161, 9YJ4164, )
970F (9JK448, 9JK492, 9JK494, 9JK495, 9JK496, 9JK518, 9JK523, 9JK527, 9JK530, 9JK534, 9JK537, 9JK540, 9JK543, 9JK546, 9JK549-551, 9JK553, 9JK556, 9JK601, 9JK603, 9JK605, 9JK606, 9JK608, 9JK615, 9JK0618, 9JK620-623, 9JK643, 9JK644, 9JK684, 9JK687, 9JK689-691, 9JK705, 9JK714, 9JK736, 9JK746, 9JK748)
Group 2
966FII (9YJ1745, 9YJ1754, 9YJ1767, 9YJ1782, 9YJ1798, 9YJ1809, 9YJ1819, 9YJ1829, 9YJ1837, 9YJ1846, 9YJ1863, 9YJ1916, 9YJ1937, 9YJ2013, 9YJ2020, 9YJ2023, 9YJ2027, 9YJ2028, 9YJ2030, 9YJ2040, 9YJ2044, 9YJ2053, 9YJ2060, 9YJ2068, 9YJ2076, 9YJ2084, 9YJ2096, 9YJ2137, 9YJ2147, 9YJ2148, 9YJ2157, 9YJ2166, 9YJ2168, 9YJ2173, 9YJ2176, 9YJ2187, 9YJ2192, 9YJ2193, 9YJ2197, 9YJ2198, 9YJ2206, 9YJ2217, 9YJ2263, 9YJ2268, 9YJ2277, 9YJ2283, 9YJ2286, 9YJ2288, 9YJ2289, 9YJ2292, 9YJ2296, 9YJ2302, 9YJ2307, 9YJ2323, 9YJ2341, 9YJ2353, 9YJ2360, 9YJ2365, 9YJ2371, 9YJ2373, 9YJ2376, 9YJ2383, 9YJ2389, 9YJ2403, 9YJ2429, 9YJ2437, 9YJ2463, 9YJ2501, 9YJ2502, 9YJ2504, 9YJ2517, 9YJ2556, 9YJ2560, 9YJ2577, 9YJ2579, 9YJ2584, 9YJ2597, 9YJ2602, 9YJ2603, 9YJ2607-2609, 9YJ2621, 9YJ2627, 9YJ2635, 9YJ2638, 9YJ2641, 9YJ2644, 9YJ2647, 9YJ2650, 9YJ2652-2654, 9YJ2692, 9YJ2734, 9YJ2742 , 9YJ2743, 9YJ2747, 9YJ2762, 9YJ2769, 9YJ2772, 9YJ2805, 9YJ2808, 9YJ2813, 9YJ2821, 9YJ2826, 9YJ2831, 9YJ2837, 9YJ2843, 9YJ2848, 9YJ2852, 9YJ2870, 9YJ2872, 9YJ2874, 9YJ2876, 9YJ2878, 9YJ2890, 9YJ2897, 9YJ2900, 9YJ2906, 9YJ2917, 9YJ2921, 9YJ2925, 9YJ2929, 9YJ2937, 9YJ2941, 9YJ2945, 9YJ2953, 9YJ2957, 9YJ2961, 9YJ2965, 9YJ3005, 9YJ3010, 9YJ3012, 9YJ3016, 9YJ3026, 9YJ3044, 9YJ3055, 9YJ3065, 9YJ3075, 9YJ3083, 9YJ3087, 9YJ3102, 9YJ3107, 9YJ3137, 9YJ3142, 9YJ3152, 9YJ3157, 9YJ3159, 9YJ3163, 9YJ3176, 9YJ3180, 9YJ3184, 9YJ3185, 9YJ3188, 9YJ3190, 9YJ3191, 9YJ3194, 9YJ3197, 9YJ3201, 9YJ3294, 9YJ3299, 9YJ3303, 9YJ3313, 9YJ3325, 9YJ3379, 9YJ3386, 9YJ3397, 9YJ3421, 9YJ3669, 9YJ3867, 9YJ3899, 9YJ3901, 9YJ3923, 9YJ3997, 9YJ4040, 9YJ4069, 9YJ4085, 9YJ4086, 9YJ4098, 9YJ4150, 9YJ4160, 9YJ4161, 9YJ4164)
970F (9JK448, 9JK492, 9JK494-496, 9JK518, 9JK523, 9JK527, 9JK530, 9JK534, 9JK537, 9JK540, 9JK543, 9JK546, 9JK549, 9JK550, 9JK551, 9JK553, 9JK556, 9JK601, 9JK603, 9JK605, 9JK606, 9JK608, 9JK615, 9JK618, 9JK620-623, 9JK643, 9JK644)
Parts Needed
Group 1
1 - 1529716 Muffler AssemblyGroup 2
1 - 9M2904 Clamp - Hose3 - 9M7958 Clamp - Hose1 - 4S1962 Clip1 - 8S0248 Breather Assembly34 - 1032556 Hose (Bulk - cm)1 - 1388283 Tube Assembly1 - 1391405 Hose Some machines may have already had this rework performed. Only machines that have not been previously reworked are eligible for this program.
Action Required
See the attached procedure.
Parts Stock
Remove all 1164430 Mufflers and 1178054 Hoses from parts stock.
Service Claim Allowances
Parts Stock
Submit one claim for all 1164430 Mufflers and 1178054 Hoses removed from parts stock.
Parts Disposition
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
MAKE EVERY EFFORT TO COMPLETE THIS PROGRAM AS SOON AS POSSIBLE.
Attach.(1-Rework Procedure)Rework Procedure
Group 1
1. Remove the present stack and hood.2. Remove the 1164430 Muffler.3. Install a new 1529716 Muffler. 4. Install the stack and hood.Group 2
1. Remove the engine valve cover breather and 1178054 Hose from the 1217152 Lines Group - Gas Recirculation.2. Install new parts as per Illustration 1.
Illustration 1