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Service bulletin 422007

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 id10006605
Published by NHTSA2004-05-07
Manufacturer's number422007
Manufacturer's date2004-03-23
NHTSA componentSTEERING:LINKAGES:KNUCKLE:SPINDLE:ARM

NHTSA's summary

STEERING KNUCKLE INSPECTION- MACK FAW 20 FRONT STEER AXLES. *MR

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

Steering, Tie rods and steering linkage

Vehicles listed
UNKNOWN UNKNOWN1

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