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Service bulletin PIL-494

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 id10027920
Published by NHTSA2009-02-21
Manufacturer's numberPIL-494
Manufacturer's date2008-09-24
NHTSA componentENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:COOLING SYSTEM

NHTSA's summary

MERITOR: AIR DRYER PRODUCT IMPROVEMENT. ALL MERITOR WABCO AIR DRYERS. MAKE AND MODEL YEARS UNKNOWN. *PE

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, Cooling system

Vehicles listed
MERITOR MERITOR

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