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Service bulletin 588

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 id10009545
Published by NHTSA2004-10-06
Manufacturer's number588
Manufacturer's date2004-08-18
Replaces588
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

VALVE LASH ADJUSTING SCREW JAM NUTS MAY BE LOOSE ON CERTAN MACK ASET AC, AI AND AMI ENGINES MANUFACTURED BETWEEN JUNE 4 AND JUNE 28, 2004. SUPERSEDES PI588 7/22/04. *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

Engine

Vehicles listed
UNKNOWN UNKNOWN

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