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Service bulletin National TR25286

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 id10199194
Published by NHTSA2021-07-19
Manufacturer's numberNational TR25286
Manufacturer's date2021-06-29
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

NHTSA's summary

Notice that certain crankshaft seals contain a packaging error

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, Exhaust and emissions, Crankcase ventilation (PCV)

Vehicles listed
ESSEX INTERNATIONAL ESSEX INTERNATIONAL
NATIONAL NATIONAL
NATIONAL RV NATIONAL RV

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