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Service bulletin TSB-404

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 id10052152
Published by NHTSA2013-06-19
Manufacturer's numberTSB-404
Manufacturer's date2013-04-08
NHTSA componentSUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM

NHTSA's summary

NEWMAR CORP.: ON CERTAIN TRUCKS, ON THE LOWER RIDELL AIR SPRINGS, A DEFECT RELATING TO MISSING LOWER SPRING NUTS OR AIR SPRING RETAINER FASTENERS MAY BE LOOSE. MODELS 2005-2013 LONDON AIRE, KING AIRE. *PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Suspension, Air suspension

Vehicles listed
NEWMAR KING AIRE2005 to 2008
NEWMAR KING AIRE2011
NEWMAR LONDON AIRE2005 to 2008

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