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Service bulletin 30329

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 id615838
Published by NHTSA2001-01-31
Manufacturer's number30329
Manufacturer's date1998-09-01
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

SPECIFICATION OF SPARK PLUG GAPS ON V8 ENGINES HAS BEEN REVISED TO IMPROVE ENGINE IDLING QUALITY. *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

Electrical system, Ignition

Vehicles listed
JAGUAR XJ1998
JAGUAR XK81997

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

Other bulletins for the same vehicles and component
303342000-04-20. Service bulletin. ECM (ENGINE CONTROL MODULE) REPLACEMENT - ENGINE MANAGEMENT QUESTIONAIRE REPORTING REQUIREMENTS. *TT THIS BULLETIN REPLACED BULLETIN 303-34, DATED 10/99. *TT
11021999-11-10. Service bulletin. SERVICE ACTION DISC S471 HAS BEEN RELEASED FOR THE PDU TO PERFORM THE ECM REFLASH FOR VEHICLES WITHIN VARIOUS VINS. *TT