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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 id10165480
Published by NHTSA2019-09-30
Manufacturer's numberK63323104
Manufacturer's date2019-08-15
NHTSA componentEQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; 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, Labels and manuals, Suspension

Vehicles listed
MACK CHU
MACK CXU
MACK GU
MACK LE
MACK LR
MACK MR
MACK TD

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