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Service bulletin TSB130052

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 id10248636
Published by NHTSA2024-01-09
Manufacturer's numberTSB130052
Manufacturer's date2023-12-08
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of increased number of standard fan support bearing failures by using new heavy duty tapered bearing fan support is a bolt on replacement for the standard support.

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
CUMMINS C
CUMMINS ISB6.7
CUMMINS L9

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