Service bulletins for the 2004 Subaru Forester
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.
146 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
Only bulletins with component: Engine are shown. Show all
| 15-300-22R | 2026-02-02. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Bulletin provides the diagnostic procedure for the STARLINK® Remote Engine Start (RES). |
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| 18-226-25R | 2026-01-06. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This Service Information Bulletin provides the Service Manual Correction to the diagnostic procedure for DTC B2A16 (Immobilizer Key Collation Diagnosis). |
| Subaru Service Technical | 2025-09-02. Other. ENGINE; ELECTRICAL SYSTEM; POWER TRAIN. Subaru Service Technical Support Newsletter special edition. |
| 02-192-24R | 2025-05-01. Service bulletin. ENGINE. This Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines. |
| 09-51-08R | 2025-04-01. Service bulletin. ENGINE. The purpose of this bulletin is to advise of SOA’s revised Catalytic Converter Recycling Program shipping procedure. |
| 01-167-08R | 2024-10-02. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This bulletin contains additional information for recommended materials listed in the Service Manuals for individual models. |
| 02-192-24 | 2024-10-02. Service bulletin. ENGINE. This Service Information Bulletin announces the diagnostic procedures to be followed when diagnosing engine oil leakage on FA and FB type engines. |
| 02-191-22R | 2024-10-02. Service bulletin. ENGINE. This bulletin announces availability of the NEW genuine Subaru engine oil filter. |
| 01-168-09R | 2024-09-04. Service bulletin. ELECTRICAL SYSTEM; ENGINE. 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 Vide | 2024-08-05. Other. ENGINE. This thermo control valve video contains information on the replacement of thermo control valve. |
| 037012R | 2023-05-08. Service bulletin. ENGINE. Repair Procedure for High-Pitched Sound |
| 14411AA532R1 | 2023-03-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. Launch of Remanufactured Turbochargers |
| 09-51-08R | 2021-07-03. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. This bulletin is to advise of SOA’s revised catalytic converter recycling program shipping procedure. |
| 03-82-18R | 2021-02-01. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING; POWER TRAIN:CLUTCH ASSEMBLY; EQUIPMENT. This bulletin announces a design change to the clutch release bearing. |
| 03-82-18R | 2020-09-04. Service bulletin. ENGINE AND ENGINE COOLING. This service information bulletin announces a design change to the clutch release bearing used on the models listed. |
| 07-75-13R | 2020-04-02. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models. |
| 02-172-18R | 2018-06-11. Service bulletin. ENGINE; EQUIPMENT. This bulletin provides details regarding a new oil filler tube o-ring developed to address engine oil seepage concerns. This seepage may accumulate along the bottom sealing surface of the rocker cover. The new o-ring utilizes material which has an increased resistance to engine heat. |
| 02-172-18R | 2018-06-11. Service bulletin. ENGINE. This bulletin provides details regarding a new oil filler tube o-ring developed to address engine oil seepage concerns. This seepage may accumulate along the bottom sealing surface of the rocker cover. The new o-ring utilizes material which has an increased resistance to engine heat. |
| 02-164-16 | 2017-08-14. Service bulletin. ENGINE AND ENGINE COOLING. This Service Information bulletin announces a design change to the internal contact portion of the oil pressure switch to increase durability |
| 02 | 2006-03-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. RUBBING MARK ON TIMING BELT. SUBARU. *TT |
| 029705 | 2005-12-10. Service bulletin. ENGINE AND ENGINE COOLING. ACTIVE VALVE CONTROL SYSTEM (AVCS) UNION SCREW FILTER. IF A ROUGH IDLE AND/OR RPM DOES NOT INCREASE SMOOTHLY THERE IS THE POSSIBILITY THAT THE UNION SCREW FILTER OF THE ACTIVE VALVE CONTROL SYSTEM (AVCS) COULD BE DAMAGED AFFECTING THE OIL CONTROL VALVE. *TT |
| 029605 | 2005-10-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 2.5L REMANUFACTURED SOHC SHORT BLOCK RELEASE. *TT |
| 029304 | 2005-02-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MODIFICATION OF TIMING BELT TENSIONER BRACKET TO PREVENT KNOCKING NOISE. *NM |
| 05 | 2004-11-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL CONTROL VALVE COVER BOLTS. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.