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Service bulletin P1546

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 id629411
Published by NHTSA2002-04-02
Manufacturer's numberP1546
Manufacturer's date2002-02-26
NHTSA componentSTRUCTURE

NHTSA's summary

SUBJECT REGARDING CRANKCASE BREATHER IMPELLER WHEEL RETAINING SCREW TORQUE, FREEDOM CHASSIS MODEL.*JB

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 MACK

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