SEAL 8J4520 - Caterpillar

Model Identification Number
3456 C1G571, 577, 580-584, 586,591, 593-596, 598, 600, 602-603, 605, 607-615, 617-624, 626-633, 635-637,640-646, 648-649, 652-653, 656-657, 659-660, 663-664, 666-668, 723-725C3G172-178, 180-183C4G142-149, 151-158, 160-163, 165, 169, 180CBX802-805, 807-813, 815-825, 827-835, 837-841CCB1357-1364, 1366-1367, 1369-1370GHJ383-385, 387-393, 395-4137WG2682, 2685, 2689, 2695, 2697, 2701-2702, 2761-2763, 2765, 27679BZ525-526, 530-532, 534, 536-537, 540-5419WR4079, 4082, 4085-4086, 4095, 4097, 4099-4100, 4103, 4105, 4121-4123PARTS NEEDED
Qty
Part Number Description
1 2129449 CONT GPACTION REQUIRED
See the attached Rework Procedure.OWNER NOTIFICATION
U.S. and Canadian owners will receive the attachedOwner Notification.SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts Labor Hrs. Parts Labor Hrs. Parts Labor Hrs.
100% 1.0 0 0 0 0
This is a 1.0 hour job. U.S. and Canadian Dealers Only - Eligibledealers may enter a Type 2 SIMS ReportPARTS DISPOSITION
Handle the parts in accordance with your WarrantyBulletin on warranty parts handling.MAKE EVERY EFFORT TO COMPLETE THIS PROGRAMAS SOON AS POSSIBLE.Attach. (1-Owner Notification)
(2-Rework Procedure)COPY OF OWNER NOTIFICATION FOR U.S. AND CANADIAN OWNERS
XYZ Corporation
3240 Arrow Drive
Anywhere, YZ 99999SAFETY - PRODUCT IMPROVEMENT PROGRAM FOR REPLACINGTHE ECM?SMODELS INVOLVED - CERTAIN 3456 ENGINESDear Caterpillar Product Owner:Some gensets may have a defective engine ECMthat could cause the engine to misfire or stop running. In critical applications,loss of power may cause personal injury. A new ECM needs to be installedon the products listed below. You will not be charged for the service performed.Contact your local Caterpillar dealer immediatelyto schedule this service. The dealer will advise you of the time requiredto complete this service. Please refer the dealer to their Service Letterdated July 11, 2005 when scheduling this service.We regret the inconvenience this may causeyou, but urge you to have this service performed for your added safetyand satisfaction.Caterpillar Inc.
Identification #(s)Attached to July 11, 2005 Service LetterRework ProcedureTo identify the ECM part number, connect yourcomputer equipped with ET2004B sp1 to engine and locate the ECM serialnumber in ET. If the serial number is within the range listed below theECM must be visually validated as explained by *visual verification.
Part Number Serial Number Start Serial Number End
212-9449 3274B001CG 3654B001CG
212-9449 0005B001CG 0535B001CGUsing the table above, if the value of thefirst four digits of the serial number is less than the value of the firstfour digits of Serial Number Start or if the value of the first four arelarger than the Serial Number End listed above the ECM is out of range.Example:
Part number 212-9449 s/n 3334B01CG falls within the range.
Part number 212-9449 s/n 3264B01CG is before therange
Part number 212-9449 s/n 3664B01CG is beyond therange.
If the serial number is outside the range, nofurther action is required.*Visual Verification ? It is possiblethat the ECM has been corrected, even if the serial number exists withinthe affected range. All ECMs have the serial number engraved on the housingas shown in figure 1. If the ECM has been corrected, a letter S will beimprinted directly below the serial number. Refer to figure 2.
SerialNumber Location Figure 13334B01CG
S
Figure 2 Corrected ECM MarkingIf the ECM is within the serial number range,but does not have the ?S? indicating it has been corrected, the ECM shouldbe replaced. Follow the steps in the troubleshooting guide for Replacingthe ECM