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Service bulletin PB_593_03.02.202

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 id10209510
Published by NHTSA2022-04-02
Manufacturer's numberPB_593_03.02.202
Manufacturer's date2022-03-02
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

The lower coolant tube clamp bracket (Pierce P/N 2953062) has been redesigned and older versions should be replaced with Pierce P/N 4107662.

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

Engine

Vehicles listed
PIERCE ENFORCER1998 to 2021

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