WenmarOpen by Wenmar Pro

Service bulletin K63323104

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 id10160168
Published by NHTSA2019-05-20
Manufacturer's numberK63323104
Manufacturer's date2019-04-16
NHTSA componentEQUIPMENT; SUSPENSION

NHTSA's summary

Mack Chassis - Vibration Questionnaire, Driveline Angle Worksheet And Rough Ride Check Sheet

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, Suspension

Vehicles listed
MACK CHU
MACK CXU
MACK GU
MACK LEU2007 to 2017
MACK LR
MACK MRU2007 to 2018
MACK TD

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