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Service bulletin 12/04/97/NAS

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 id605733
Published by NHTSA1999-07-22
Manufacturer's number12/04/97/NAS
Manufacturer's date1997-08-22
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

SUBJECT REGARDING OIL PRESSURE SWITCH REPLACEMENT. *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 RANGE ROVER

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