BODY AS-PISTON 7C3406 - Caterpillar

SEBE8902-02 September 7, 2004
(Revised August 2005)
U-260
TT-21
beforeorafter failure
PRODUCT SUPPORT PROGRAM FOR IMPROVINGACCELERATION ON 525HP C13 TRUCK ENGINES
1901 PS41677
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 "PS41677"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 (Revised December 2004) Service Letter. Changes have been made to theAffected Product section.TERMINATION DATE
October 31, 2005PROBLEM
Certain 525HP rated C13 engines may have unacceptableacceleration from a dead stop.AFFECTED PRODUCT
Model Identification Number
C13 KCB2077, 2078, 2153,2154, 2276, 2277, 2278, 2279, 2280, 2281, 2282, 2283, 2284, 2604, 2605,2610, 2611, 2612, 2614, 2615, 2616, 2617, 2618, 2619, 2754, 2755, 2893,2894, 2895, 2982, 2983, 3071, 3072, 3073, 3083, 3084, 3225, 3226, 3290,3291, 3314, 3315, 3316, 3624, 3625, 3701, 3788, 3789, 4264, 4340, 4421,4507, 4733, 4734, 4735, 5580, 5588, 5599, 5628, 5864, 5906, 5928, 6222,6234, 6332, 6395, 6489, 6510, 6577, 6643, 6709, 6757, 6863, 6914, 6933,6952, 6956, 6959, 6966, 6987, 6992, 7006, 7012, 7023, 7031, 7079, 7155,7185, 7287, 7349, 7455, 7558, 7633, 7657, 7769, 7864, 7865, 7866, 7948,7987, 7991, 8118, 8132, 8175, 8486, 8560, 8662, 8772, 8961, 9257, 9266,9272, 9279, 9285, 9311, 9321, 9324, 9327, 9352, 9801, 9938, 10017, 10075,10142, 10224, 10309, 10442, 10569, 10591, 10870, 10881, 10889, 11639, 11640,11641, 11642, 11643, 11644, 11645, 11646, 11647, 11654, 11659, 11673, 11687,11697, 11698, 11702, 11733, 11745, 11955, 11968, 11970, 12115, 12127, 12128,12139, 12148, 12161, 12552, 12564, 12569, 12570, 12572, 12574, 12575, 12576,12580, 13799, 13816, 13820, 13823, 13827, 13829, 13830, 13837, 13846, 13848,13854, 13857, 13866, 13871, 13872, 13876, 13877, 13883, 14169, 15136, 15141,15145, 15153, 15166, 15174, 15177, 15184, 15189, 15201, 15214, 15217, 15225,15230, 15234, 15239, 15240, 15393, 15426, 15449, 15452, 15453, 15462, 15470,15514, 15550, 15558, 15589, 15594, 15606, 15625, 15689, 15946, 16016, 16133,37028, 39544, 41367PARTS NEEDED
Qty
Part Number Description
4 9X6620 LOCK-NUT
1 1978418 GASKET
1 1978419 GASKET
1 2480840 GASKET AS
1 10R2878 TURBO GP-BASICACTION REQUIRED
The complaint has been addressed with a new flashfile, or if unacceptable acceleration still exists after the re-flash,the customer has the additional option of a turbo replacement.
Flash ECM with May software release or later.
Serial Number Range May Release Part Number
KCB508 ? 6289 256-5321
KCB6269 ? 16627 256-5319
KCB37028 - 41367 272-3132
Have the customer test-drive the vehicle and see ifcomplaint still exists.
If there is still a complaint, replace high pressureturbo charger with 10R2878 and reflash ECM WITH 262-4542software for all affected product.SERVICE CLAIM ALLOWANCES
Product smu/age whichever comesfirst Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs Parts Labor Hrs Parts Labor Hrs
0-12 Mo. 100% 1.0*
0-12 Mo. 100% 13.0** 0 0 0 0
* This is a 1.0-hr job for theinitial reflash of the ECM.** This is a 13.0?hr job for replacingthe turbo and reflash ECM.PARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.