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Service bulletin TSI-14-12-03

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 id10055822
Published by NHTSA2014-07-22
Manufacturer's numberTSI-14-12-03
Manufacturer's date2014-04-01
NHTSA componentENGINE

NHTSA's summary

NAVISTAR: INFORMATION CONCERNING THE PROCEDURE TO INSTALL THE TURBO OIL SUPPLY TUBE RETROFIT. THERE IS ALSO ARE INFORMATION THAT PROVIDES INSTRUCTIONS ON HOW TO REROUTE CERTAIN COOLANT HOSES. MODELS INCLUDE PROSTAR 122, PROSTAR 113, WORKSTAR, CAT, TRANSTAR, PAYSTAR, AND LONESTAR. *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
NAVISTAR NAVISTAR

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