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Service bulletin 303928

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 id10012408
Published by NHTSA2005-03-01
Manufacturer's number303928
Manufacturer's date2003-01-01
Replaces303928
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

NHTSA's summary

THE CRANKCASE BREATHER VALVE IS WEARING PREMATURELY DUE TO RESONANCE IN THE PINTLE SPRING. REVISED SPECIFICATION VALVE. SERVICE ACTION S928. *TT THIS BULLETIN REPLACES PREVIOUS BULLETIN DATED 10/02. *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, Exhaust and emissions, Crankcase ventilation (PCV)

Vehicles listed
JAGUAR X-TYPE2002

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