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Service bulletin ATC1873

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 id10110282
Published by NHTSA2017-08-04
Manufacturer's numberATC1873
Manufacturer's date2017-02-22
NHTSA componentFUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING

NHTSA's summary

This Account Team Coverage addresses clearance issues with coolant hoses on engines installed in certain Gillig Buses. This communication authorizes certified repair locations to replace the coolant hose, water pump inlet, or both on certain engines.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Fuel system

Vehicles listed
CUMMINS ISL9
CUMMINS ISLG

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