NHTSA ID Number: 11001091
Manufacturer Communication Number: C7208
TSB/Document Date: 2024-06-05
Summary
This Technical Service Bulletin addresses units with radiator or heater vent hoses originally installed with improper material. Replacing the hose with the proper material specification will address the potential for degradation from heat cycles.
6/4/24, 1:50 PM B6.7 CM2450 B155B Thrust Bearing Campaign
Campaign Number: c7028 Released Date: 07-May-
2024
Expiration Date (U.S. and
Canada): 07-May-2025
B6.7 CM2450 B155B Thrust Bearing Campaign Expiration Date
(International
): 07-May-
2025
Attention
¢ U.S. / Canadian Dealers
¢ U.S. / Canadian Distr./Branches and Div. Offices (Automotive)
If additional information is required, please contact your Cummins Warranty Operations Group
Leader.
Description
This campaign is being issued to inspect and replace, where appropriate, the #6 upper main
bearing on certain B6.7 CM2450 B155B ESNs. This campaign enables authorized repair locations
to replace the upper main bearing and inspect the engine for progressive damage.
Note : This field action provides retroactive coverage for repairs made in anticipation of
and prior to the release of this publication.
Action
In order to qualify for repair under this field action, an engine:
1. will be covered Regardless of coverage status, and
2. must show as OPEN on QuickServe® Online for this field action.
Note : The ESN list is attached for reference.
After verifying that the engine meets the above requirements, perform the following actions:
¢ 1) Verify that correct #6 Upper Main Bearing is installed. Please refer to Procedure 001-006
Bearings, Main in the Service Manual
5613229. Please refer to Attachment B, Figure 1 to see
examples of a correct and incorrect #6 Upper Main Bearing. Please take some pictures of the
installed bearing and retain for future reference.
https://quickserve.cummins.com/qs3/pubsys2/xml/en/campaign/2070/c7028.htm| 115
6/4/24, 1:50 PM B6.7 CM2450 B155B Thrust Bearing Campaign
¢ 2) If a correct #6 Upper Main Bearing is installed, no further inspections are needed. Replace
#6 Upper and Lower Main Bearings with new parts.
¢ 3) If an incorrect #6 Upper Main Bearing is installed, please refer to the following instructions;
¢ a) Remove the #5 Upper and Lower Rod Bearings. Please refer to Procedure 001-005 Bearing,
Connecting Rod in the Service Manual
5613229.
¢ b) Inspect crankshaft surface at the Upper and Lower #6 Main Bearing points, and the Upper
and Lower #5 Rod Bearing surfaces to assure they meet published reuse guidelines. Please
refer to Procedure 001-016, Crankshaft in the Service Manual
5613229.
¢ c) If the crankshaft passes reuse guidelines, replace the Upper and Lower #6 Main Bearings,
as well as the Upper and Lower #5 Rod Bearings with new parts. Complete the re-assembly in
accordance with published procedures.
Note : If crankshaft does not pass published reuse guidelines, or if other
conditions exist that indicate a replacement engine is in order, as outlined in the
Warranty Administration Manual (WAM), Pre-Authorization is required to initiate
the replacement work. You MUST call Cummins Care (1-800-CUMMINS
) to secure
the needed authorizations. Further, the replacement engine costs must be claimed
in the Other Claimables section of the reimbursement filing. For more details on
Pre-Authorization, please refer to WAM Procedure 111-502-004, Preauthorization
available on QuickServe® Online. Copy and paste the following URL address into
your preferred internet browser -
https://QuickServe®.cummins.com/qs3/pubsys2/xml/en/procedures/111/111-
502-004.html.
Note : Additionally, an Engine Trade Out Form must be submitted. Please refer to
WAM Procedure 111-513-014, Product Trade Outs for more details. The purpose
of the Engine Trade Out Form is to initiate the administrative process to
discontinue applicable coverage(s) associated with the original engine and
transfer applicable coverage(s) to the replacement engine, and further provides
full financial reimbursement for the replacement engine(s) through this field
action. This process to transfer coverage(s) begins with the Engine Trade Out
Form for Cummins
Engines. Submit the completed Engine Trade out Form to
[email protected] after claim submission. Please refer to WAM Procedure
111-513-014, Product Trade Outs for more details.
© 4) Where authorized, replace engine per the approved procedures as published in the
appropriate Service Manual
.
Material Disposition
Where applicable, items removed should be returned to ReCon for core credit. Unless otherwise
indicated, items with no core liability can be scrapped.
Reimbursements
https://quickserve.cummins.com/qs3/pubsys2/xml/en/campaign/2070/c7028.htm| 2/5
6/4/24, 1:50 PM B6.7 CM2450 B155B Thrust Bearing Campaign
Parts
Note : All parts listed are OPTIONAL. Select only the parts required to complete the
repair. As outlined in the Warranty Administration Manual (WAM), Pre-Authorization is
required to initiate the replacement work. You MUST call Cummins
Care (1-800-
CUMMINS) to secure the needed authorizations. Further, the replacement engine costs
must be claimed in the Other Claimables section of the reimbursement filing.
Document the ESN, the Auth Code, and claim at the distributor invoice amount, no
markup. Cost to ship removed engine to the return center may also be claimed when
detailed. Fluid top off may also be claimed here. Charges, handling fees, and other
costs must be documented and justified in the claim narrative. An Engine Trade Out
Form must be submitted. Please Refer to WAM Procedure 111-513-014, Product Trade
Outs for more details.
The following parts are covered under this field action:
397882200 fp BRG,THR (OPTIONAL)
547306100 KIT,BRG (OPTIONAL)
547333100 KIT,BRG (OPTIONAL)
B6.7 ENGINE REPLACEMENT ENGINE
(INFO ONLY)
Note : SRTs to gain access that are required to complete the repair, that are sufficiently
explained in the claim narrative, may also be claimed on this action.
Note : All SRTs listed are OPTIONAL. Select ONLY the appropriate SRTs for the repair
performed.
Labor Using Applicable Access Code and Time
[Stee | Description | ‘Time's —+«
Engine Re ove and Install
00 12L B6.7 CM2450 B155B
(OPTIONAL)
Technician Ad_ inistrative
00 90F Ti e Field Action ervice
Events (OPTIONAL)
Bearings, Connecting Rod
Re ove and Install, First
01 29E B6.7 CM2450 B155B
(OPTIONAL)
Bearings, Main Re ove and
01 29H Install, First B6.7 CM2450
B155B (OPTIONAL)
https://quickserve.cummins.com/qs3/pubsys2/xml/en/campaign/2070/c7028.htm| 3/5
6/4/24, 1:50 PM B6.7 CM2450 B155B Thrust Bearing Campaign
[tole [Ces cription =| me
B ARIN AND CRANK
INPCIN FRR
R PI NA
Travel
ravel is not covered under this field action owing is not covered under this field action
Other Claimables
Consumables are covered under this field action
Note : Additional parts, such as o-rings, gaskets and fasteners, that are required to
complete the repair, but not listed, may be claimed in Other Claimables. Please
consolidate all consumables and claim them as one line item in Other Claimables titled
CAMPAIGN SUPPLIES or other appropriate selections. Please include brief summaries
on the details of items claimed. A lack of documentation in the narrative may result in
a reduction in claim reimbursement or claim denial.
Claim Instructions
For Cummins
Dealers, claims for this Field Campaign must be filed via APID RV ™ Web
rswcummins com For information regarding APID RV ™ Web, please reference the
"Warranty" tab in uick erve® niline If there are additional questions, please contact your local
Cummins
Distributor
Claim Codes
[eseription SC
Pay Code: North America Distributor = X
Pay Code: North America Dealer = D
Pay Code: International Distributor = |
Pay Code: International Dealer = R
Failure Code: WBKMAA
Attachments
Click heretoseec —_8_esn list xlsx
/service/english/attachments/c — 8_esn list xlsx Click heretoseec 8_attachment b pdf
https://quickserve.cummins.com/qs3/pubsys2/xml/en/campaign/2070/c7028.htm| 4/5
6/4/24, 1:50 PM B6.7 CM2450 B155B Thrust Bearing Campaign
(/service/english/attachments/c7028_attachment-b.pdf)
Engine Family Fuel System
ISBe4 (6 Cylinder) QSB6.7 ISB ISDe, ISD4.5,
ISD6.7 ISBe, ISB4.5, ISB6.7
Design Application Market Application
Document History
tC Document Created; 07-May-2024
Last Modified: 07-May-2024
https://quickserve.cummins.com/qs3/pubsys2/xml/en/campaign/2070/c7028.html 5/5
C7028 — Attachment B, Upper Main Thrust Bearing Images
Figure 1: #6 Upper Main Bearing (Thrust Bearing)
Correct #6 Upper Main Bearing, Incorrect #6 Upper Main Bearing,
PN 3978822 PN 3978824
b a
]
j
. q
f |
ee | ,
‘ {
' J
\ = 1
- 💯【Conta.ct us for Support Directly】If you met any...
- 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
- 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
- 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
- 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
- 📌【We are Here for You】Dear valued customer, please be...
- 🚀【5X Faster Next-Level Hardware, Same as MK900/ MX...
- 🔥【3000+ Active Tests = MK900/MK900BT but...
- 📢【2026 U.S. Version, All-in-One as MK808S/ MK808Z...
- 🔥【28+ Hot Services for 150+ Brands】Same as MaxiCOM...
If the PDF is very large, it may not load in the preview below.
Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.
If the TSB PDF does not show, download or view it on the NHTSA Website.
Click on the (+) Plus Sign
Then Click on Associated Document(s)
Search NHTSA Database for Recalls
Search NHTSA Database for Vehicle Investigations
View Latest Vehicle Investigations
Search NHTSA Database for Vehicle Complaints
View Latest Vehicle Complaints
TSB/Document ID: C7208
Replacement Service Bulletin Number:
MFR Communication Date: 2024-05-02
MFR Internal Campaign ID/Software Version: C7028
Communication Type: Service Campaign
NHTSA Components: ENGINE
MFR Component System:
MFR Component Subsystem:
Previous TSB | Next TSB |
- [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
- Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
- Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
- 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
- Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABS, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.
- Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCA
Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU coding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations - 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCA
AutoAuth: Now supports FCA
SGW module for Chrysler
, for Jeep
, for Dodge
(2018+), for Fiat
(2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Programming): Allows for Ford
, for Lincoln
, and for Mazda
ECU programming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order - Cost-effective ECU Coding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMW
, for Benz and offline for BENZ, for MIT, along with PMI functions for Ford
, for Mazda
, and for Lincoln
. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase - OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently
- 3 Years Software Update, Value for Money: With 3 years of software updates and 22+ languages(no IP restrictions), XTOOL D7S auto scanner code scanner ensures ongoing compatibility for the latest car models and improved diagnostic functions. This all system vehicle diagnostic scanner comes with a 30-day return policy and a 24-month repair for dependable performance. XTOOL are dedicated to your satisfaction, so enjoy seamless support and lifetime expert assistance. Should you encounter any issues or concerns, don’t hesitate to reach out XTOOL. D7S with newest update with 22 languages freely transfer without authorization, check details from setting-language or from XTOOL
- 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABS/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABS/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
- 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
- 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warning lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
- 【✨6 Essential Resets: ABS Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.
- 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.
This product presentation was made with AAWP plugin.




