2008 Subaru Forester Technical Service Bulletins

158 technical service bulletins (TSBs) are on record for the 2008 Subaru Forester. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10179416Aug 26, 2020Engine cooling. This service information bulletin announces a design change to the clutch release bearing used on the models listed.
• 10179378Aug 4, 2020Equipment. Special Service Tools Cross Reference List.
• 10174543Apr 30, 2020Equipment. All Models (Vehicle Cleaning- COVID-19Best Practices)
• 10173117Mar 10, 2020Engine cooling, Electrical system, Equipment. This Bulletin provides information regarding DTC P0606 related specifically to the determination of this code on Forester Turbo and applicable WRX models.
• 10163525Jul 11, 2019Brakes. This Service Information bulletin announces instruction for application of additional lubrication between the brake caliper support and pad clips. This will prevent the pad from dragging due to corrosion buildup which may result in uneven or premature wear of the replacement brake pads. This additional instruction applies to all models with brake pads using the upper and lower pad clips and has been added to the…
• 10161824May 21, 2019Equipment. Subaru Service and Technical Support Line Newletter.
• 10161813May 6, 2019Equipment. To help reduce confusion and increase technician efficiency, Subaru of America, Inc. (SOA) has developed the following cross reference list to help locate the appropriate Special Service Tool.
• 10153183Nov 13, 2018Steering. This post was revised in error. It has been corrected back and removed from the posting list. The message was corrected on 04-13-14R posting dated 11/14/2018.
• 10150949Oct 26, 2018Transmission and drivetrain, Equipment. This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. In cases where the operator keeps a foot on the clutch pedal for extended periods, an increased amount of heat is generated which can cause the grease inside the bearing to deteriorate.
• 10150924Oct 26, 2018Transmission and drivetrain, Equipment. This Service Information bulletin announces a design change to the clutch release bearing used on the models as listed above. During assembly of the bearing, a different type of grease is used which has a higher resistance to heat. In cases where the operator keeps a foot on the clutch pedal for extended periods, an increased amount of heat is generated which can cause the grease inside the bearing to deteriorate.
• 10142827Jun 11, 2018Electrical system. This bulletin provides a measurement and adjustment procedure for the stop lamp switch. An improperly adjusted (or faulty) stop lamp switch can cause any of the DTCs listed to set and result in the related system?s (e. g. VDC and/or EyeSight) warning lamp to illuminate.
• 10140479Feb 6, 2018Equipment, 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.
• 10140424Feb 6, 2018Engine. 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.
• 10130273Jan 26, 2018Electrical system, Exterior lighting. This bulletin provides a measurement and adjustment procedure for the stop lamp switch. An improperly adjusted (or faulty) stop lamp switch can cause any of the DTCs listed above to set and result in the related system?s (e. g. VDC and/or EyeSight) warning lamp to illuminate.
• 10130277Jan 11, 2018Body and structure. ( 2017-2018MY Impreza - 5 Dr Only)
• 10131702Feb 6, 2017Engine cooling, Electrical system. 2.5 Liter N/A engine only. REVISED. Subaru of America, Inc. has determined that vehicles affected by this Service Program require ECM reprogramming. A modification to the Engine Control Module software logic has been developed to improve the performance of the emission control system. This software change will not adversely affect fuel economy or performance.
• 10131701Feb 6, 2017Engine cooling. REVISED. CA PZEV SPEC MODELS ONLY. Subaru of America, Inc. (SOA) has determined that vehicles affected by this Service Program require ECM reprogramming. Under certain severe driving patterns, such as high speed highway/uphill driving and/or accelerating with high engine revolutions, the efficiency of an affected vehicle?s catalytic converter may begin to degrade beyond design parameters. (The ?Check Engine?
• 10131700Feb 6, 2017Engine cooling. 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.
• 10111069Dec 27, 2016Engine cooling. This Service Information bulletin announces a design change to the internal contact portion of the oil pressure switch to increase durability
• 10120997Nov 16, 2016Equipment. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
• 10131647Sep 30, 2016Equipment. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
• 10140499Apr 12, 2016Equipment. Revised TSB. The Subaru Lock Information Site (SLIS) is located at http://lockinfo.subaru.com, and provides information on how to obtain immobilizer codes and key cut codes for Subaru vehicles from the 2000MY to present. This bulletin identifies the equipment required to initialize (reset) the immobilizer code and cut the key blanks, for both immobilizer and non-immobilizer type keys.
• 10093117Sep 18, 2015Steering. If you encounter a vehicle that has a groaning type noise coming from the power steering pump when the wheel is turned to the full right or left position when the vehicle is parked, it may be caused by the relief valve vibrating within the pump. In lieu of replacing the power steering pump, the relief valve is now available as a replacement part.
• 10093105Sep 11, 2015Equipment. "this service information bulletin announces a design change to the oil pressure switch assembly. Nickel plating has been applied to the internal switch contacts to enhance their durability and reduce the possibility of poor contact which could affect operation or cause improper illumination of the oil pressure warning lamp. A small pilot portion was added to the threaded area on p.n. 25240ka051 as shown in the…
• 10093067Sep 10, 2015Engine. "this service information bulletin announces a design change to the oil pressure switch assembly. Nickel plating has been applied to the internal switch contacts to enhance their durability and reduce the possibility of poor contact which could affect operation or cause improper illumination of the oil pressure warning lamp. A small pilot portion was added to the threaded area on p.n. 25240ka051 as shown in the…
• 10091965Jul 6, 2015Equipment. If you encounter a vehicle that has a groaning type noise coming from the power steering pump when the wheel is turned to the full right or left position when the vehicle is parked, it may be caused by the relief valve vibrating within the pump. In lieu of replacing the power steering pump, the relief valve is now available as a replacement part.
• 10140549Jun 17, 2015Equipment, Steering. If you encounter a vehicle that has a groaning type noise coming from the power steering pump when the wheel is turned to the full right or left position when the vehicle is parked, it may be caused by the relief valve vibrating within the pump. In lieu of replacing the power steering pump, the relief valve is now available as a replacement part.
• 10090457Mar 4, 2015Equipment. The purpose of this bulletin is to provide a description of current changes to service manuals available via the subaru technical information system (stis) web site.
• 10058149Sep 2, 2014Transmission and drivetrain. Subaru 2009-2013 myforester at models, 2008-2011 my impreza at models: bulletin information involving replacement required for the at oil cooler piping.
• 10232535Jul 17, 2014Electrical system. Replacement Key and Immobilizer Info
• 10234827Jun 10, 2014Brakes. New Subaru Recall Campaign: Brake Line Corrosion WQK?47
• 10234829Jan 15, 2014Fuel system. Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts
• 10089957Jan 15, 2014Transmission and drivetrain. Repair procedure for high-pitched sound from extension housing area using latest generation production parts - this bulletin provides production change, repair procedure and parts information to address a customer concern of a high-pitched sound coming from the transmission extension housing area.
• 10092717Sep 13, 2013Equipment. Should you receive a customer concern of a loose windshield mounted auto-dimming compass mirror with homelink (with or without homelink on brz models), the mounting adapter plate should be checked for proper tightness. The applicable vehicles listed above utilize a mirror mount adaptor to secure the mirror to the windshield. Due to improper installation, in some cases, the mirror may loosen over time and begin to…
• 10067033Sep 13, 2013Equipment. Summary to be provided on a future date.
• 10234828May 22, 2013Transmission and drivetrain. This Bulletin provides production change, repair procedure and parts information to address a customer concern of a high-pitched sound coming from the transmission extension housing area.
• 10232879Apr 25, 2013Electrical system. Replacement Key and Immobilizer info
• 10234881Jan 10, 2013Engine cooling, Electrical system. Subaru Service Program WQD-40: Front Catalytic Converter Replacement & Engine Control Module (ECM) Reprogramming
• 10080091Jan 10, 2013Electrical system, Engine cooling. Subaru of america, inc. Has determined that vehicles affected by this service program require front catalytic converter replacement and ecm reprogramming. For vehicles affected by this service program, efficiency of the front catalytic converter may degrade over time. If the catalytic converter efficiency degrades beyond an acceptable level, the vehicle may be releasing air pollutants that exceed california…
• 10065106Jan 10, 2013Engine. Summary to be provided on a future date.
• 10235830Jan 3, 2013Engine. Repair Procedure for High-Pitched Sound
• 10235880Jan 1, 2013Electrical system, Engine cooling. Subaru of America, Inc. has determined vehicles affected by this Service Program require front catalytic converter replacement and ECM reprogramming.
• 10080261Jan 1, 2013Electrical system, Engine cooling. Subaru of america, inc. Has determined vehicles affected by this service program require front catalytic converter replacement and ecm reprogramming. For vehicles affected by this service program, efficiency of the front catalytic converter may degrade over time. If the catalytic converter efficiency degrades beyond an acceptable level, the vehicle may be releasing air pollutants which exceed california standards.
• 10065117Jan 1, 2013Engine. Summary to be provided on a future date.
• 10051640Jan 1, 2013Engine cooling. Subaru: over time, front catalytic converter efficiency degrades beyond an acceptable level and releases air pollutants that requires the front catalytic converter to be replaced and ecm to be reprogrammed. Models 2008-2009 legacy, outback, forester.
• 10234260Dec 13, 2012Electrical system. Repair Procedure for High-Pitched Sound from Extension Housing Area Using Latest Generation Production Parts
• 10093977Dec 13, 2012Equipment. Repair procedure for high-pitched sound from extension housing area using latest generation production parts
• 10234261Dec 12, 2012Transmission and drivetrain. Remanufactured Automatic Transaxle Program
• 10234258Dec 11, 2012Transmission and drivetrain. 5MT Transfer Driven Gear Bearings
• 10093967Dec 11, 2012Transmission and drivetrain. This bulletin reviews a change to the part numbers used for the transfer driven gear bearings. These revised bearings are to be used to enhance durability.

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