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Service bulletin SB213027

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 id634207
Published by NHTSA2002-09-28
Manufacturer's numberSB213027
Manufacturer's date2002-05-24
ReplacesSB213027
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

SUBJECT REGARDING VALVE YOKE GUIDE PIN BREAKAGE - E-TECH EQUIPPED WITH J-TECH ENGINE BRAKE. NLM

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

Engine

Vehicles listed
MACK E-TECH

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