PRODUCT SUPPORT PROGRAM FOR REPLACING TURBO CHARGERS ON CERTAIN C-12 AND C-15 TRUCK ENGINES
Usage:
SEBE9371-03
October 20, 2005
(Revised June 2006)
U-337
A-248
D-263
O-277
TT-13
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After failure only |
PRODUCT SUPPORT PROGRAM FOR REPLACING TURBO CHARGERS ON CERTAIN C-12 AND C-15 TRUCK ENGINES |
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1257 |
PS50980
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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.
NOTE: This Revised Service Letter replaces the October 20, 2005 (Revised April 2006) Service Letter. Changes have been made to the Service Claims Allowance Table.
TERMINATION DATE
- October 31, 2006
PROBLEM
- Higher than normal exhaust temperatures have resulted in instances of turbocharger hot housing cracks, exhaust manifold cracks, and/or persistent black smoke. This program may only be applied in the event of a turbocharger hot housing crack, exhaust manifold cracks or persistent black smoke not attributable to recognized causes of black smoke described in service publication SENR9683. If the exhaust manifold is cracked due to the turbo failure the manifold will be covered as contingent damage under this letter.
- NOTE: If there are no cracks in turbo housing it will not be covered by this service letter. If the turbo fails for other reasons, ex: turbine wheel, compressor wheel, oil leaks or other failures besides high exhaust temperatures it will not be covered under this service letter and any the claim will not be allowed.
AFFECTED PRODUCT
****Group 1****
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Model | Identification Number |
C-15 | MBN1-99999 |
- ****Group 2****
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Model | Identification Number |
C-12 | MBL1-99999 |
PARTS NEEDED
****Group 1****
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Qty |
Part Number |
Description |
4 | 2N2766 | LOCKNUT |
1 | 1S-4295 | GASKET-TURBO |
1 | 10R2962 | TURBO GP-BAS |
****Group 2****
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Qty |
Part Number |
Description |
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3E8017 | LOCKNUT |
1 | 1S4295 | GASKET-TURBO |
*1 | 10R1055 | TURBO GP-BAS |
*1 | 10R1054 | TURBO GP-BAS |
*1 | 10R1053 | TURBO GP-BAS |
*NOTE: Only order the Turbo that is the replacement for your application.
- Also select the correct flash file from the table below:
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Old Flash File Number | New Flash File Number |
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236-8700 | 272-6609 |
236-8701 | 272-6610 |
236-8702 | 272-6611 |
236-8703 | 272-6612 |
236-8704 | 272-6613 |
236-8706 | 272-6615 |
236-8707 | 272-6616 |
236-8708 | 272-6617 |
236-8709 | 272-6618 |
236-8710 | 272-6619 |
236-8711 | 272-6620 |
236-8712 | 272-6621 |
236-8713 | 272-6622 |
236-8714 | 272-6623 |
236-8715 | 272-6624 |
251-3753 | 272-6614 |
C-12 |
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236-8685 | 272-6464 |
236-8689 | 272-6465 |
236-8690 | 272-6466 |
236-8692 | 272-6467 |
236-8693 | 272-6468 |
236-8694 | 272-6469 |
236-8695 | 272-6470 |
236-8696 | 272-6471 |
236-8697 | 272-6472 |
242-8339 | 272-6473 |
242-8340 | 272-6474 |
ACTION REQUIRED
- See the attached Rework Procedure.
SERVICE CLAIM ALLOWANCES
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Product smu/age whichever comes first |
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Parts |
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*NOTE: This is at most a 3.8?hr job. Use applicable SMCS codes shown below to claim labor. |
LABOR HOUR/SUPPLEMENT BREAKDOWN BY CAB TYPE
- For Black smoke:
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SMCS CODE | DESCRIPTION | SC | MC | CV | CO |
C-15 and C-12 | |||||
1901-025-V3 | Adjust FLS/FTS | 0.5 | 0.5 | 0.5 | 0.5 |
1901-591 | Reprogram ECM | 0.5 | 0.5 | 0.5 | 0.5 |
For cracked hot housing add the following:
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SMCS CODE | DESCRIPTION | SC | MC | CV | CO |
C-15 | |||||
1052-000 | Turbocharger repair | 2.5 | 2.3 | 2.3 | 2.8 |
C-12 | |||||
1052-000 | Turbocharger repair | 2.7 | 2.4 | 2.4 | 2.7 |
PARTS DISPOSITION
- If the repair is flash-file only then no parts are required to be returned. If turbocharger is replaced, send turbo and all failed parts to the to the following address:
- Caterpillar Inc.
- Service Returns Room
- Attn: PS50980
- 8201 N. University
- Building C Dock 22
- Peoria, IL 61615
- Attach. (1-Rework Procedure)
Rework Procedure
- Look for the improved FLS/FTS value. These values can be found at truck.cat.com à Parts & Service à Service Specific Information.
- Flash with updated software.
- Transfer the following data from the old engine information label to a new 121-0169 Information Plate :
- "ENGINE MODEL"
- "SER. NO."
- "AR. NO."
- "MAX ALT"
- "PERF SPEC"
- "ADV HP"
- "ADV kW"
- Transfer the NEW FLS and FTS numbers to the Information Plate
- Remove the original information label and replace with the new information Plate.
- Repair Turbo if cracked due to high exhaust temperatures.
Caterpillar Information System:
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