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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 id621724
Published by NHTSA2001-10-01
Manufacturer's numberSB622021
Manufacturer's date2001-06-15
ReplacesSB622021
NHTSA componentSTRUCTURE:BODY

NHTSA's summary

SUBJECT REGARDING HOOD ASSIST SPRING AND MOUNTING BRACKET TO ELIMINATE HOOD ASSIST SPRING BREAKAGE. *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.