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Service bulletin SB 3091

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 id10119750
Published by NHTSA2017-10-21
Manufacturer's numberSB 3091
Manufacturer's date2015-12-18
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

This Service Bulletin informs customers that MCI has made design changes to the A/C belt snubber on MCI D model coaches, manufactured prior to unit 14080 equipped with an ISX engine that will improve durability of the belt snubber installation, and that MCI has a retrofit kit available for purchase.

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
MOTOR COACH MC5

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