PRODUCT SUPPORT PROGRAM FOR INSTALLING IMPROVED SOFTWARE ON CERTAIN G3304B, AND G3306B ENGINES
Usage:
REBE9651-00
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07May2013 |
U-192
A-126
D-166
O-170
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Before/After | PRODUCT SUPPORT PROGRAM FOR INSTALLING IMPROVED SOFTWARE ON CERTAIN G3304B, AND G3306B ENGINES |
|
1901 1920 | PS43907 |
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NOTE: | 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 "PS43907" as the Part Number and "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. |
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NOTE: | 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. |
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TERMINATION DATE |
31May2015 |
PROBLEM
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Under certain conditions the existing engine software allows engine RPM to cross the overspeed threshold, ignition driver shuts down before the monitoring system commands to shutdown the engine. As a result the engine speed goes below the over speed threshold and ignition driver turns on and the cycle continues. Therefore the engine speed starts oscillating rather than an engine shutdown. |
AFFECTED PRODUCT
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Model | Identification Number |
G3304B | A4E00111-00133, 135-136 |
G3306B | R6S00111-00435, 437-439, 524, 534-644, 646-649 |
PARTS NEEDED
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Qty |
Part Number | Description |
1 | 4337667 | SOFTWARE GP-ELEK |
1 | 4337674 | SOFTWARE GP-ELEK |
1 | 4337675 | SOFTWARE GP-ELEK |
1 | 4337690 | SOFTWARE GP-ELEK |
1 | 4339272 | SOFTWARE GP-ELEK |
1 | 4339273 | SOFTWARE GP-ELEK |
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 14% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer. |
ACTION REQUIRED
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Reflash engine ECM with latest version of software. Refer to the service manual if/as necessary. |
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Image1 |
SERVICE CLAIM ALLOWANCES
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0-24 mo |
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NOTE: This is a 1.5-hour job | ||||||
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PARTS DISPOSITION
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Handle the parts in accordance with your Warranty Bulletin on warranty parts handling. |
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