2004 Subaru Legacy Problems, Complaints & Recalls

Source: NHTSA · Updated Jun 1, 2023 · 49 owner complaints analyzed

Compared with other Legacy years
Fewer complaints than other years 25th of 31 for complaints
NHTSA crash rating
Not rated

Owners have filed 49 complaints with NHTSA about the 2004 Subaru Legacy. That ranks 25th out of 31 Legacy model years for complaints. The most reported problem area is air bags (26 complaints, 53%), typically at around 129,000 miles. Complaints mention 5 crashes, 3 injuries. There are 10 safety recalls covering this model year. NHTSA has opened 2 defect investigations involving it.

Subaru Legacy
2023 Subaru Legacy photographed in Montréal , Québec , Canada at the 2023 Montréal International Auto Show .. Representative photo; appearance varies by model year. Photo: Bull-Doser, Public domain, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2004 Subaru Legacy problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Air Bags26 · ~129,000 mi
Engine5 · ~89,650 mi
Vehicle Speed Control5 · ~27,000 mi
Fuel/propulsion System4 · ~149,000 mi
Engine and Engine Cooling2 · ~52,000 mi
Power Train2 · ~590 mi
Service Brakes, Hydraulic2 · ~11,000 mi
Electrical System1 · ~149,000 mi
Fuel System, Other1 · ~34,000 mi
Seat Belts1 · ~1,800 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Air Bags2653%129,000——
Engine510%89,650——
Vehicle Speed Control510%27,000——
Fuel/propulsion System48%149,000——
Engine and Engine Cooling24%52,000——
Power Train24%590——
Service Brakes, Hydraulic24%11,000——
Electrical System12%149,000——
Fuel System, Other12%34,000——
Seat Belts12%1,800——
Service Brakes12%130,000——
Structure12%74,000——
Suspension12%———
Tires12%80,600——
Unknown or Other12%254,600——
Visibility12%———

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2016, with 12 complaints
2004: 4200442005: 3200532008: 2200822010: 2201022011: 1201112012: 1201212013: 1201312014: 3201432015: 1201512016: 122016122017: 122017122019: 1201912020: 4202042023: 220232

n = 49 complaints · Source: NHTSA

2004 Subaru Legacy recalls (10)

Tap a recall to see the problem, the risk and the fix.

Air bags:frontal:passenger side:inflator moduleJan 2, 2020 · NHTSA campaign 20V001000 · 258,813 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (STI included), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands or "Zone A." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

Fix: Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the passenger air bag inflators with alternate inflators, free of charge. The recall began January 7, 2020. Subaru Owners may contact Subaru customer service at 1-844-373-6614. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. Subaru's number for this recall is TKA-20.

Air bags:frontal:passenger side:inflator moduleJan 2, 2020 · NHTSA campaign 20V002000 · 127,547 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia or "Zone B." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

Fix: Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the passenger air bag inflators, free of charge. The recall began January 7, 2020. Subaru owners may contact Subaru customer service at 1-844-373-6614. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. Subaru's number for this recall is TKB-20.

Air bags:frontal:passenger side:inflator moduleJan 2, 2020 · NHTSA campaign 20V003000 · 111,562 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain 2009-2013 Forester, 2003-2006 Baja, 2004-2011 Impreza, 2004-2014 WRX (including STI), 2003-2014 Legacy and Outback, and 2005-2006 Saab 9-2X vehicles originally sold, or ever registered, in the states of Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming or "Zone C." These vehicles had their passenger frontal air bag inflators previously replaced under a prior recall using inflators of the same design. The inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, temperature and temperature cycling.

Risk: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.

Fix: Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the passenger air bag inflators, free of charge. The recall began January 7, 2020. Subaru owners may contact Subaru customer service at 1-844-373-6614. Saab owners may contact the Saab Customer Assistance Center at 1-800-955-9007. Subaru's number for this recall is TKC-20.

Air bags:frontal:passenger side:inflator moduleMay 25, 2016 · NHTSA campaign 16V358000 · 302,127 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2009-2011 Legacy, Outback, Forester, 2006-2011 Impreza, Tribeca, 2003-2006 Baja, and 2006 Saab 9-2x vehicles originally sold or that have ever been registered in Alabama, California, Florida, Georgia, Hawaii, Louisiana, Mississippi, South Carolina, Texas, Puerto Rico, American Samoa, Guam, the Northern Mariana Islands (Saipan), and the U.S. Virgin Islands, or "Zone A." These vehicles may be equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Risk: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Fix: Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the passenger frontal air bag inflator, free of charge. The recall began August 26, 2016. Owners may contact Subaru customer service at 1-856-488-8500. Saab owners may contact GM at 1-800-955-9007. Subaru's number for this recall is TKA-16.

Air bags:frontal:passenger side:inflator moduleMay 25, 2016 · NHTSA campaign 16V359000 · 146,010 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, 2006-2008 Impreza, Tribeca, 2006 Saab 9-2x, and 2003-2006 Baja vehicles originally sold or that have ever been registered in Arizona, Arkansas, Delaware, District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." These vehicles may be equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Risk: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Fix: Subaru will notify their owners. General Motors will notify Saab owners. Dealers will replace the passenger frontal air bag inflator, free of charge. The recall began August 24, 2016. Owners may contact Subaru customer service at 1-856-488-8500. Subaru's number for this recall is TKB-16. Note: This notice is only for vehicles that were not covered by 16V-358 for Zone A.

Air bags:frontal:passenger side:inflator moduleMay 25, 2016 · NHTSA campaign 16V361000 · 62,940 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy, Outback, and Baja vehicles originally sold or that have ever been registered in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming, or "Zone C.". These vehicles may be equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules, and used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Risk: An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.

Fix: Subaru will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began August 24, 2016. Owners may contact Subaru customer service at 1-856-488-8500. Subaru's number for this recall is TKC-16. Note: This recall covers vehicles that were not previously covered in 16V-358 for Zone A or 16V-359 for Zone B.

Air bags:frontal:passenger side:inflator moduleMay 28, 2015 · NHTSA campaign 15V323000 · 432,016 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Subaru Baja vehicles manufactured January 22, 2003, to July 21, 2004, 2004-2005 Impreza vehicles manufactured January 28, 2003, to May 31, 2005, 2003-2008 Subaru Legacy vehicles manufactured January 22, 2003, to May 2, 2008, 2003-2008 Subaru Outback vehicles manufactured February 18, 2003, to May 5, 2008, and 2005 Saab 9-2x vehicles manufactured February 11, 2004, to March 17, 2005. The affected vehicles are equipped with a passenger side frontal air bag that may be susceptible to moisture intrusion which, over time, could cause the inflator to rupture upon its deployment.

Risk: In the event of a crash necessitating deployment of the passenger's frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.

Fix: Subaru will notify their owners and General Motors will notify Saab owners. Dealers will replace the passenger air bag inflator, free of charge. The Subaru recall began on June 17, 2015. Owners may contact Subaru customer service at 1-800-782-2783. The Saab recall began on July 27, 2015. Owners of Saab vehicles may call 1-800-955-9007. Subaru's number for this recall is WQR-53. Note: The recall completely supersedes recall 14V-399 (WQL-48) and partially supersedes recall 14V-763 (WQP-51) in that model year 2004 through 2005 Subaru Impreza and model year 2005 Saab 9-2x vehicles are now only part of this campaign. Note: On December 18, 2015 Subaru informed NHTSA of an expansion of this recall to include certain model year 2003-2004 Subaru Baja, 2003-2008 Subaru Legacy and 2003-2008 Subaru Outback vehicles.

Air bagsDec 1, 2014 · NHTSA campaign 14V763000 · 4,175 vehicles

Problem: Subaru of America, Inc. (Subaru) is recalling certain model year 2003-2004 Legacy and Outback vehicles, and 2003-2005 Baja vehicles sold, or ever registered, in geographic locations associated with high absolute humidity. Specifically, vehicles sold, or ever registered, in Puerto Rico, Hawaii, the U.S. Virgin Islands, Guam, Saipan, American Samoa, Florida and adjacent counties in southern Georgia, as well as the coastal areas of Alabama, Louisiana, Mississippi and Texas. Upon deployment of the passenger side frontal air bag, excessive internal pressure may cause the inflator to rupture.

Risk: In the event of a crash necessitating deployment of the passenger’s frontal air bag, the inflator could rupture with metal fragments striking the vehicle occupants potentially resulting in serious injury or death.

Fix: Subaru will notify their owners. Dealers will replace the passenger air bag inflator, free of charge. The recall began on January 15, 2015. Owners may contact Subaru at 1-800-782-2783. Subaru's number for this recall is WQP-51. Note: This recall supersedes recall 14V-471. This recall has been partially superseded by 15V-323. All 2005 model year Subaru Legacy and Outback vehicles will now be repaired under recall 15V-323.

Vehicle speed control:cablesMar 16, 2004 · NHTSA campaign 04V128000 · 127,580 vehicles

Problem: On certain passenger sedans, wagons, and sport utility vehicles, the cruise control cable could come out of its track on the cruise control lever and lodge on the control lever tab when the accelerator pedal is released. If this condition occurs, the throttle will not return to the idle position and will remain in an open position.

Risk: If this occurs during vehicle operation, the driver could lose control of the vehicle, which could result in a crash.

Fix: Dealers will install a cruise control cable retaining clip to the cruise control lever tab on the throttle shaft in order to prevent the cruise control cable from coming out of its track. Owner notification began on april 12, 2004. Owners should contact subaru at 1-800-782-2783.

Fuel system, gasoline:storage:tank assembly:filler pipe and capAug 20, 2003 · NHTSA campaign 03V303000 · 7,874 vehicles

Problem: Certain passenger or sport utility vehicles may have a loose or out of position fuel filler hose clamp.

Risk: This could result in fuel leakage. Fuel leakage in the presence of an ignition source could result in a fire.

Fix: Dealers will inspect and tighten the clamp on the fuel filler hose. Owner notification began august 27, 2003. Owners should contact subaru at 1-800-782-2783.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

NHTSA defect investigations

  • Air Bag Inflator Rupture (EA15001) — opened Feb 24, 2015, still open, led to recall 14V668.
  • Air Bag Inflator Rupture (PE14016) — opened Jun 11, 2014, closed Mar 2, 2015, led to recall 13V172000.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

AT 26,469 miles the harmonic balancer separated into two pieces while driving causing sudden loss of power steering. I contacted Subaru for assistance with this know problem. They refused a free repair. I have been a Master ASE mechanic for over 25 years at a dealership and know repairs of this…

Engine · received Jun 1, 2023 · NHTSA complaint 11524858

A smell of gas was present in the passenger area. I took it to my mechanic. He said the Damper Fuel Assembly (Part # 42086AE040) was leaking. It is a high pressure gas hose. Subaru no longer makes the part, making the car valueless. We tried junkyards, etc, but that part seems to be leaking on all…

Fuel/propulsion System · received Feb 3, 2023 · NHTSA complaint 11505416

Subframe corrosion

Suspension · received Nov 4, 2020 · NHTSA complaint 11373075

I keep receiving safety recall letters about the airbag in this vehicle. This vehicle has been scrapped since july 2017. I could no longer get it to pass emissions. I have since then called the number on the letters several times to remove me from the notice list but i keep receiving them. I…

Air Bags · received Aug 21, 2020 · NHTSA complaint 11350730

Tl* the contact owns a 2004 subaru legacy. The contact stated that while his daughter was driving at 45 mph, the driver attempted to depress the brake paddle which went to the floor while the brake warning light illuminated. The contact depressed the parking brake to come to a complete stop…

Service Brakes · received Jan 30, 2020 · NHTSA complaint 11306174

Other Subaru Legacy years

← 2003 Legacy · 2005 Legacy →

See all Subaru Legacy problems by year, every Subaru model, or the Subaru VIN decoder.

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Frequently asked questions

What are the most common problems with the 2004 Subaru Legacy?

Owners most often report air bags, engine, vehicle speed control problems. The top one, air bags, accounts for 26 complaints.

Was there a recall on the 2004 Subaru Legacy?

Yes, 10 safety recalls. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2004 Subaru Legacy a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other Legacy model years, the 2004 has fewer complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.