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Service bulletin 120198NAS

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 id601620
Published by NHTSA1998-08-12
Manufacturer's number120198NAS
Manufacturer's date1998-05-29
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

COMPLAINTS OF A RATTLING / TAPPING NOISE FROM THE ENGINE ROCKER ARM. *YC

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
LAND ROVER DISCOVERY
LAND ROVER RANGE ROVER

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