BOLT-TRACK 0930259 - Caterpillar

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 can be administered either before or after a failure. In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS8657" as the Part Number and "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and use "T" as the SIMS Description Code. If administered after failure, use "96" as the Warranty Claim Description Code and use "Z" as the SIMS Description Code.
Termination Date
June 30, 1997Problem
The oil pan on 3406E Truck Engines (Non-Brakesaver) installed in Western Star Primemovers can crack during normal operation. This generally results in an oil leak. A steel stiffener plate needs to be installed between the block and the pan to give more rigidity to the bottom surface of the block.
Affected Product
Model & Identification Number
3406E (5EK455, 5EK461, 5EK832, 5EK1048, 5EK2549, 5EK2768, 5EK2791, 5EK2794, 5EK3079, 5EK3798, 5EK3806, 5EK3812, 5EK4118, 5EK4468, 5EK5040, 5EK5041, 5EK5383, 5EK5471, 5EK5478, 5EK5581, 5EK5590, 5EK6244, 5EK6920, 5EK7316, 5EK7551, 5EK7639, 5EK7642, 5EK7981, 5EK8063, 5EK8065, 5EK8068, 5EK8071, 5EK8494, 5EK8910, 5EK8915, 5EK8924, 5EK8926, 5EK8935, 5EK8936, 5EK9415, 5EK9498, 5EK10475, 5EK10532, 5EK10639, 5EK10731, 5EK10821, 5EK10838, 5EK10902, 5EK12000, 5EK12019, 5EK12088, 5EK12114, 5EK12224, 5EK12245, 5EK12371, 5EK13037, 5EK13318, 5EK13630, 5EK13676, 5EK13833, 5EK13858, 5EK13947, 5EK13948, 5EK14228, 5EK14314, 5EK14538, 5EK14730, 5EK15066, 5EK15099, 5EK15154, 5EK15240, 5EK15970, 5EK16506, 5EK17908, 5EK18570, 5EK18579, 5EK18844, 5EK19084, 5EK19085, 5EK19327, 5EK19329, 5EK20394, 5EK20395, 5EK20680, 5EK21299, 5EK21314, 5EK21422, 5EK21424, 5EK22130, 5EK22253, 5EK22778, 5EK23745, 5EK23746, 5EK23753, 5EK23761, 5EK23874, 5EK24445, 5EK24447, 5EK24453, 5EK24462, 5EK24471, 5EK25011, 5EK25022, 5EK25034, 5EK25149, 5EK25150, 5EK25159, 5EK25772, 5EK25773, 5EK25780, 5EK26348, 5EK26359, 5EK26369, 5EK26497, 5EK26507, 5EK26877, 5EK27108, 5EK27110, 5EK27120, 5EK27126, 5EK27134, 5EK27142, 5EK27149, 5EK27807, 5EK27809, 5EK27816, 5EK27817, 5EK27825, 5EK27827, 5EK27834, 5EK27835, 5EK28534, 5EK28543, 5EK28553, 5EK29257, 5EK29265, 5EK29273, 5EK29361, 5EK29382, 5EK30007, 5EK30016, 5EK30758, 5EK30759, 5EK30768, 5EK31507, 5EK31508, 5EK31517, 5EK31526, 5EK31536, 5EK31546, 5EK31554, 5EK31562, 5EK31569, 5EK31578, 5EK31587, 5EK32332, 5EK32333, 5EK32345, 5EK32381, 5EK33158, 5EK33165, 5EK33821, 5EK33823, 5EK34066, 5EK34547, 5EK35301, 5EK35308, 5EK35318, 5EK35326, 5EK35341, 5EK35342, 5EK35349, 5EK35356, 5EK35364, 5EK35466, 5EK35467, 5EK35475, 5EK36153, 5EK36154, 5EK36164, 5EK36172, 5EK36182, 5EK36293, 5EK37007, 5EK37857, 5EK38545, 5EK38556, 5EK38688, 5EK39207, 5EK39224, 5EK39252, 5EK39387, 5EK39399, 5EK42663, 5EK43373, 5EK43393, 5EK43404, 5EK43490, 5EK43671, 5EK43657, 5EK44080, 5EK44636, 5EK44766, 5EK44781, 5EK45501, 5EK45513, 5EK46258, 5EK46341, 5EK47012, 5EK47027, 5EK47601, 5EK47040, 5EK47584, 5EK47617, 5EK48581, 5EK48869, 5EK57011, 5EK57787, 5EK58067, 5EK58822, 5EK61360, 5EK61384, 5EK61989, 5EK62689, 5EK63385, 5EK63422, 5EK63455, 5EK63999, 5EK64654, 5EK64684, 5EK65513, 5EK65523, 5EK65547, 5EK66390, 5EK66400, 5EK66411, 5EK67201, 5EK67214, 5EK67772, 5EK70215)
Parts Needed
9N3167 Sump Plates have been supplied free of charge to dealer main branches. Caterpillar will not pay for the cost of the 9N3167 Sump Plate.
After Failure Parts
2 - 4N1151 Gasket1 - 9N3167 Sump Plate3