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Service bulletin TSB 437

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 id10116273
Published by NHTSA2017-08-25
Manufacturer's numberTSB 437
Manufacturer's date2015-12-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Newmar Corporation has decided that a defect relating to motor vehicle safety exists in specific motor homes built on Spartan chassis. This recall is the result of information provided to Newmar by Spartan Motors. NHTSA # 15v 752 TC # 2015-534 On certain vehicles, the engine cooling fan may separate from the drive without warning. If the engine area is open and the cooling fan is operating and detaches, it could potentially cause personal injury.

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
NEWMAR ESSEX2004 to 2007
NEWMAR LONDON AIRE2005 to 2007
NEWMAR MOUNTAIN AIRE2007 to 2008

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