WenmarOpen by Wenmar Pro

Service bulletin 371-048

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 id10057170
Published by NHTSA2015-04-23
Manufacturer's number371-048
Manufacturer's date2014-10-01
NHTSA componentEQUIPMENT

NHTSA's summary

MACK TRUCKS: 2007-2014: INSULATION KIT IS RECOMMENDED TO PROTECT CHAFING OF THE CAB WIRING HARNESS IN THE COLUMN BRACKET. *LJ

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

Equipment and accessories

Vehicles listed
MACK CHU2007 to 2010
MACK CHU2013 to 2014
MACK PINNACLE (CHU)2011 to 2012

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