Warranty Information Letter for Detroit New Service Replacement Engine SRT Update
Freightliner technical service bulletin WI21-001 for 2007-2021 Freightliner Cascadia.
- Bulletin number
- WI21-001
- Component
- Engine and engine cooling
- Summary
- Warranty Information Letter for Detroit New Service Replacement Engine SRT Update. While validating Standard Repair Times (SRTs) for Detroit's new Gen 5 engine series, DTNA discovered an error in a pre-Gen 5 SRT for the New Service Replacement Engine Program. As a result, DTNA re-studied the SRT and concluded that time for removing/re-installing multiple components (e.g., exhaust manifold/turbo, engine sensor harness, rocker arm assemblies, etc.) should not be included.
Owners of these vehicles have filed 23 complaints in the engine category.
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