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Service bulletin TSB20-089-FTL

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10252342
Published by NHTSA2024-04-02
Manufacturer's numberTSB20-089-FTL
Manufacturer's date2024-03-19
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Technical Service Bulletin for Adjusting the Coolant Pipe Position

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Vehicles listed
FREIGHTLINER E-CASCADIA2023, 2024

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
TSB-13-008-FTL2026-03-04. Service bulletin. Technical Service Bulletin for oil separator upgrade for Bendix electric compressors
TSB20-089-FTL2025-01-29. Service bulletin. Revised Technical Service Bulletin for Adjusting the Coolant Pipe Position. Description of Revisions: This bulletin replaces the version dated 05/20/2024. The figure reference linking in step 7 has been updated.
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