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Service bulletin WVN24R

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 id10131700
Published by NHTSA2018-04-02
Manufacturer's numberWVN24R
Manufacturer's date2017-02-06
NHTSA componentENGINE AND ENGINE COOLING:EXHAUST SYSTEM; ENGINE AND ENGINE COOLING

NHTSA's summary

REVISED. CA PZEV SPEC MODELS ONLY. Subaru of America, Inc. (SOA) has determined that vehicles affected by this Service Program have two conditions that may adversely affect the performance of the catalytic converter. To correct these conditions, described below, affected vehicles require (1) ECM reprogramming and (2) permanent removal of the fuel tank one-way fuel valve.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Exhaust and emissions

Vehicles listed
SUBARU FORESTER2007, 2008

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
15-300-22R2026-02-02. Service bulletin. This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES).
18-226-25R2026-01-06. Service bulletin. This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis).
Subaru Service Technical2025-09-02. Other. Subaru Service Technical Support Newsletter special edition.
02-192-24R2025-05-01. Service bulletin. This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.
09-51-08R2025-04-01. Service bulletin. The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure.
01-167-08R2024-10-02. Service bulletin. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models.
02-192-242024-10-02. Service bulletin. This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines.
02-191-22R2024-10-02. Service bulletin. This bulletin announces availability of the NEW genuine Subaru engine oil filter.
01-168-09R2024-09-04. Service bulletin. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
Thermo Control Valve Vide2024-08-05. Other. This thermo control valve video contains information on the replacement of thermo control valve.