Technical Service Bulletin CumminsB6.7SSI — 2021 FREIGHTLINER BUSINESS CLASS M2
ENGINE AND ENGINE COOLING
Bulletin Details
| TSB ID | CumminsB6.7SSI |
| Manufacturer | |
| Vehicle | 2021 FREIGHTLINER BUSINESS CLASS M2 |
| Component | ENGINE AND ENGINE COOLING |
| Communication Date |
Bulletin Summary
Extended Warranty Policy for certain Cummins B6.7 engines with SSI DEF headers for EPA and CARB Emissions Reporting
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
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