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Service bulletins for the 2008 Subaru Legacy

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.

212 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
03-70-12R2018-06-18. Service bulletin. POWER TRAIN; EQUIPMENT. 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. In cold temperatures, thermal contraction causes shrinking of the transmission case. In high temperatures, expansion of the case occurs. These temperature changes affect the amount of preload on the transfer driven shaft bearings. In some rare cases, when preload is very near the limit of specification combined with unusual driving conditions, this thermally-induced pre-load change may cause damage to the bearings and result in the sound heard by the customer. A change has been made to the extension case and a new ?Dish Plate? added. The machining depth of the extension case has been increased to accommodate the new dish plate. When used along with a selective thrust washer, the spring tension of the dish plate helps to maintain a consistent amount of pre-load on these bearings throughout varying temperature conditions.
18-181-15 (2)2018-06-11. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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. The tables contained within this bulletin are to be used as guides for becoming aware of the latest changes. We advise you to always refer to the STIS web site when looking for the latest Service information. Printed pages will not be made available to update printed Service Manuals.
WQR-53R2018-06-11. Service bulletin. AIR BAGS:FRONTAL. Recall Bulletin Revised. UPDATE ? April 2016: New and different inflators are available for affected 2004-2005 Impreza, WRX, and STI vehicles. As a result, there are different installation instructions depending on the inflator being installed. Please refer to the appropriate service procedure instructions and parts information which were updated to reflect the new parts.
01-168-09R2018-06-11. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. 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. Subaru of America began using immobilizer systems in some 2005MY vehicles (please refer to Immobilizer Chart for more detailed information).
02-172-18R2018-06-11. 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.
02-172-18R2018-06-11. 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.
12-197-16R2018-06-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. New Car Limited Warranty coverage of the instrument panel (IP) or dashboard assembly on the applicable vehicles listed above to 10 years/regardless of miles from original start date. This warranty extension will cover a ONE TIME replacement of the IP if it melts or becomes sticky to the touch as a result of exposure to heat and/or humidity conditions.
12-197-16R2018-05-29. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. As part of our dedication to customer satisfaction, Subaru of America, Inc. is initiating a program to extend the original New Car Limited Warranty coverage of the instrument panel (IP) or dashboard assembly on the applicable vehicles listed above to 10 years/regardless of miles from the original warranty start date. This warranty extension will cover a ONE-TIME replacement of the IP if it melts or becomes sticky to the touch as a result of exposure to heat and/or humidity conditions. This extension will NOT cover IPs with damage resulting from outside influence such as abuse, vandalism or application of harsh chemicals such as acids, bases, or petroleum products.
WVU31R2018-04-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE AND ENGINE COOLING. 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. This software update is intended to improve vehicle emissions when the vehicle is operated in cold weather and the engine is turned off and restarted within short periods of time such as in several minute intervals. The A/F sensor contains a heating element, which is controlled by the ECM, and which assists the sensor in reaching an optimum temperature, resulting in better accuracy. When the vehicle is operated under the conditions described above, there could be a longer than desired delay in the ECM?s turning on the A/F sensor heating element, resulting in higher than desired emissions. This software enhancement will correct that condition.
WVM23R2018-04-02. Service bulletin. ENGINE AND ENGINE 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? light will illuminate to alert the driver if the catalytic converter efficiency has degraded beyond an acceptable level and if the vehicle may be releasing air pollutants that exceed Federal or California emission standards.) To prevent this condition, a modification to the Engine Control Module software logic has been developed that will improve management of the catalytic converter. This condition is a software issue and has no impact on vehicle drivability.
01-168-09R2018-04-02. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
01-168-09R2017-10-27. Service bulletin. EQUIPMENT. The purpose of this bulletin is to provide replacement key and immobilizer information along with an overview of the Subaru Lock Information web-site.
05-60-15R2017-10-27. Service bulletin. ENGINE AND ENGINE COOLING; SUSPENSION; ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). 2006-2009MY Legacy Spec B and 3.0R Limited Models with Bilstein® Front Struts models only. This bulletin provides an inspection method for the threaded portion of the front strut piston rod. If you receive a customer concern of a rattling sound in the front of the vehicle while driving and inspection results of the related suspension components are inconclusive, the strut retaining top nut torque should be checked using the following procedure.
02-164-162017-08-14. 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
WQR-53U22017-03-08. Service bulletin. AIR BAGS. UPDATE: FRONT PASSENGER AIR BAG INFLATORS WQR-53 THE WQR-53 RECALL IS BEING EXPANDED TO INCLUDE ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. THIS IS AN EXPANSION FROM THE CURRENT WQP-51 LIMITED REGIONAL RECALL FOR CERTAIN 2005 MODEL YEAR LEGACY AND OUTBACK VEHICLES, TO A NATIONAL RECALL FOR ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. PLEASE REFER TO THE 2005 LEGACY AND OUTBACK SERVICE PROCEDURE IN THE WQP-51 BULLETIN FOR 2005-2008 LEGACY AND OUTBACK REPAIRS. THE WQR-53 PRODUCT CAMPAIGN BULLETIN WILL BE UPDATED ON STIS IN THE NEAR FUTURE TO REFLECT THIS EXPANSION. LIMITED PARTS AVAILABILITY WE ARE CURRENTLY EXPERIENCING A PARTS SHORTAGE FOR THE 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. SOA REQUESTS THAT RETAILERS ONLY ORDER QUANTITIES NECESSARY TO SATISFY ANTICIPATED DEMAND. ORDERS WILL BE MONITORED BY SOA PARTS FOR REASONABLENESS BASED ON AOR ASSIGNED VIN POPULATION.
WQR-53C2017-03-08. Service bulletin. AIR BAGS. UPDATE: FRONT PASSENGER AIR BAG INFLATORS WQR-53 (2005-2008 LEGACY AND OUTBACK VEHICLES). THE WQR-53 RECALL IS BEING EXPANDED TO INCLUDE ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. THIS IS AN EXPANSION FROM THE CURRENT WQP-51 LIMITED REGIONAL RECALL FOR CERTAIN 2005 MODEL YEAR LEGACY AND OUTBACK VEHICLES, TO A NATIONAL RECALL FOR ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. PLEASE REFER TO THE 2005 LEGACY AND OUTBACK SERVICE PROCEDURE IN THE WQP-51 BULLETIN FOR 2005-2008 LEGACY AND OUTBACK REPAIRS. THE WQR-53 PRODUCT CAMPAIGN BULLETIN WILL BE UPDATED ON STIS IN THE NEAR FUTURE TO REFLECT THIS EXPANSION. THE AIR BAG INFLATORS IN THE FRONT PASSENGER AIR BAGS FOR THESE VEHICLES COULD BE SUSCEPTIBLE TO RUPTURE AND THE FRONT PASSENGER AIR BAG COULD DEPLOY ABNORMALLY IN A CRASH.
WQR-53U2017-03-08. Service bulletin. AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE; AIR BAGS. SUBJECT: UPDATE: FRONT PASSENGER AIR BAG INFLATORS WQR-53 (2005-2008 LEGACY AND OUTBACK VEHICLES). THE WQR-53 RECALL IS BEING EXPANDED TO INCLUDE ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. THIS IS AN EXPANSION FROM THE CURRENT WQP-51 LIMITED REGIONAL RECALL FOR CERTAIN 2005 MODEL YEAR LEGACY AND OUTBACK VEHICLES, TO A NATIONAL RECALL FOR ALL 2005-2008 MODEL YEAR LEGACY AND OUTBACK VEHICLES. THE AIR BAG INFLATORS IN THE FRONT PASSENGER AIR BAGS FOR THESE VEHICLES COULD BE SUSCEPTIBLE TO RUPTURE AND THE FRONT PASSENGER AIR BAG COULD DEPLOY ABNORMALLY IN A CRASH.
WQK-47R2017-03-08. Service bulletin. SERVICE BRAKES. WQK-47R - BRAKE LINE CORROSION
WQK-47R2017-03-08. Service bulletin. SERVICE BRAKES. WQK-47R - BRAKE LINE CORROSION
03-70-122017-03-06. Service bulletin. EQUIPMENT. REPAIR PROCEDURE FOR HIGH-PITCHED SOUND FROM EXTENSION HOUSING AREA USING LATEST GENERATION PRODUCTION PARTS
03-68-12R2017-03-06. Service bulletin. POWER TRAIN:DRIVELINE:CENTER SUPPORT BEARING. 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.
WQR-53U2017-03-03. Service bulletin. AIR BAGS. UPDATE: OWNER NOTIFICATION SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQR]53 OWNER NOTIFICATION LETTERS WERE MAILED SEPTEMBER 30, 2015 DESCRIPTION. ALL VEHICLES PREVIOUSLY AFFECTED BY THE WQL-48 RECALL THAT WERE NOT YET REPAIRED WILL BE TRANSFERRED INTO TO THE WQR-53 NATIONAL RECALL. ANY OPEN WQL-48 COVERAGE WILL BE EXPIRED ONCE OWNER NOTIFICATION BEGINS.
WQR]53U2017-03-02. Service bulletin. AIR BAGS. UPDATE: OWNER NOTIFICATION SUBARU RECALL CAMPAIGN: FRONT PASSENGER AIR BAG INFLATORS WQR]53 OWNER NOTIFICATION LETTERS WERE MAILED SEPTEMBER 30, 2015 DESCRIPTION. ALL VEHICLES PREVIOUSLY AFFECTED BY THE WQL]48 RECALL THAT WERE NOT YET REPAIRED WILL BE TRANSFERRED INTO TO THE WQR]53 NATIONAL RECALL. ANY OPEN WQL]48 COVERAGE WILL BE EXPIRED ONCE OWNER NOTIFICATION BEGINS.
06-47-142017-03-02. Service bulletin. ELECTRICAL SYSTEM:WIRING; STEERING. REVISION TO TROUBLESHOOTING INFORMATION FOR VDC DTC C0071
02-155-14R2017-03-02. Service bulletin. EQUIPMENT. INTERCOOLER/INTAKE AIR DUCT - THIS BULLETIN ANNOUNCES AVAILABILITY OF A REVISED REPLACEMENT AIR INTAKE DUCT FOR THE TURBOCHARGED VEHICLES SPECIFIED ABOVE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.