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Service bulletin NTB02047B

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 id10003920
Published by NHTSA2003-11-07
Manufacturer's numberNTB02047B
Manufacturer's date2003-09-09
ReplacesNTB02047A
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE

NHTSA's summary

POOR HEATER PERFORMANCE. *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, Glass, wipers and mirrors, Heating and air conditioning, Cooling system, Radiator

Vehicles listed
NISSAN ALTIMA2002, 2003

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
NTB020502002-10-17. Service bulletin. SUBJECT REGARDING VQ ENGINE WATER PUMP O-RING. *TT