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Service bulletin TSB120261-092712

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 id10085586
Published by NHTSA2016-12-06
Manufacturer's numberTSB120261-092712
Manufacturer's date2012-10-27
NHTSA componentENGINE

NHTSA's summary

THIS TECHNICAL SERVICE BULLETIN DESCRIBES THE CORRECTIVE ACTION FOR COOLANT LEAKS FROM A TORQUE CONVERTER COOLANT HOSES DUE TO THE AIR COMPRESSOR PLUMBING RUBBING AGAINST COOLANT HOSES ON ENGINES EQUIPPED WITH CERTAIN OPTIONS.

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
CUMMINS B5.9
CUMMINS ISB6.7
CUMMINS ISC8.3
CUMMINS ISL9

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