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Service bulletin 510102NAS

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 id634169
Published by NHTSA2002-09-28
Manufacturer's number510102NAS
Manufacturer's date2002-08-09
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

TECHNICAL INFORMATION ON REAR AXLE BREATHER EXTENSION FOR WATER CONTAMINATION IN AXLE OIL. *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

Transmission and driveline, Axle

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

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