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Service bulletin ATC2003A

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 id10136547
Published by NHTSA2018-05-14
Manufacturer's numberATC2003A
Manufacturer's date2018-04-17
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

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. This is an update to a previously submitted communciation.

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

Equipment and accessories, Heating and air conditioning

Vehicles listed
CUMMINS ISL
CUMMINS WESTPORT ISL G

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