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Service bulletin TIBU-74-08

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 id10054686
Published by NHTSA2014-02-15
Manufacturer's numberTIBU-74-08
Manufacturer's date2013-12-18
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

CATERPILLAR: IF FAN DRIVE DROPS BELOW 621 KPA (90 PSI) THE FAN WILL SLIP AND CAUSE OVERHEATING, EXCESSIVELY, THAT WILL DAMAGE THE CLUTCH. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine, Cooling fan, Cooling system

Vehicles listed
CATERPILLAR CATERPILLAR

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