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Service bulletin CALFTL20-002

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 id10175412
Published by NHTSA2020-05-23
Manufacturer's numberCALFTL20-002
Manufacturer's date2020-05-22
NHTSA componentPOWER TRAIN:AXLE HUBS

NHTSA's summary

Customer Advisory Letter for Cummins X12N E-Viscous BorgWarner Improved Fan Hub Replacement. Our records indicate that you are the owner of a Freightliner New Cascadia powered by a Cummins ISX12NG Engine. DTNA has decided to remove and replace the BorgWarner fan hub assembly to prevent any premature failures.

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

Transmission and driveline, Axle

Vehicles listed
FREIGHTLINER CASCADIA2018

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
sb35034 Pre-Deli2018-12-10. Service bulletin. Service Bulletin: Pre-Delivery Inspection Oil Fill for New Final Drive (NFD) Axles
FL6622017-11-17. Service bulletin. FL662.-DLR Meritor MSF12 Non-Conforming Front Axle Beams