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Service bulletin 120101NAS

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 id617801
Published by NHTSA2001-03-28
Manufacturer's number120101NAS
Manufacturer's date2001-02-16
NHTSA componentENGINE AND ENGINE COOLING:ENGINE:GASOLINE

NHTSA's summary

SUBJECT REGARDING OIL LEAKAGE FROM THE CAM BORE PLUG. *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

Vehicles listed
LAND ROVER DEFENDER
LAND ROVER DISCOVERY
LAND ROVER DISCOVERY II (the catalog's model; the bulletin names a series or trim of it)
LAND ROVER RANGE ROVER

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