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Service bulletin ATC2003

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 id10133065
Published by NHTSA2018-04-16
Manufacturer's numberATC2003
Manufacturer's date2018-03-13
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This Account Team Coverage is being issued to address incorrect Air Conditioner compressor drive belt tension on certain ISL 2013 and ISL Gas Plus 2007 engines installed in Gillig Bus applications. This ATC authorizes the checking and adjustment of the belt tension to the new specification as indicated in the included instructions.

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

Vehicles listed
CUMMINS ISL
CUMMINS ISL G

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