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Service bulletin T1576

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 id10089263
Published by NHTSA2017-01-20
Manufacturer's numberT1576
Manufacturer's date2014-11-21
NHTSA componentEQUIPMENT

NHTSA's summary

THIS TEMPORARY REPAIR PRACTICE ADDRESSES DUAL LEVEL COOLANT LEVEL SENSORS ON CERTAIN ON TRANSIT BUS APPLICATIONS. IF A REPAIR EVENT RESULTS IN THE REPLACEMENT OF COOLANT LEVEL SENSORS, THIS ACTION AUTHORIZES WRAPPING OF THE SENSOR AND CONNECTOR JOINT WITH SILICONE TAPE TO PROTECT THE CONNECTION FROM COOLANT OR OTHER SOURCES OF MOISTURE.

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

Equipment and accessories

Vehicles listed
CUMMINS ISL9

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