WenmarOpen by Wenmar Pro

Service bulletin TIBU-7603

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 id10055698
Published by NHTSA2014-07-07
Manufacturer's numberTIBU-7603
Manufacturer's date2014-05-27
NHTSA componentENGINE

NHTSA's summary

CATERPILLAR: THERE MAY BE LOW COOLANT AND/OR CONSUMPTION ON 2010-2013 CT11 AND CT13 LITER ENGINES. THERE MAY BE A NEED TO REGULARLY REFILL THE DEAERATION TANK AND ACTIVE OR PREVIOUSLY ACTIVE DTCS IN RELATION TO THE COOLING SYSTEM. MODEL CT660 NO MODEL YEARS PROVIDED. *JS

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

Vehicles listed
CATERPILLAR CATERPILLAR

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