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Service bulletin SB622021

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 id616203
Published by NHTSA2001-02-14
Manufacturer's numberSB622021
Manufacturer's date2000-12-19
NHTSA componentSTRUCTURE:BODY:HOOD

NHTSA's summary

SUBJECT REGARDING A NEW HOOD ASSIST SPRING AND MOUNTING BRACKET ARRANGEMENT DEVELOPED AND AVAILABLE THROUGH THE MACK PARTS SYSTEM FOR CERTAIN MODEL CHASSIS TO ELIMINATE SPRING BREAKAGE THAT MAY OCCUR. *TT

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

Body and frame

Vehicles listed
MACK CX

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