2004 Subaru Legacy Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Subaru Legacy
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2004 Subaru Legacy ProblemsSubaru Front O2 Sensor Recall
The front oxygen (air fuel ratio) sensor element may develop a crack, causing the Check Engine Light to illuminate. Subaru has recalled certain models to replace sensors that may fail. The Subaru service program number is WXW-80, this is not a government mandated recall.
My Subaru Legacy experienced three blown wheel bearings. Each time, the car would develop a droning noise, which would get progressively louder with continued driving. A fourth was in the works when my engine blew due to a leaking head gasket. Each wheel bearing cost $450 to replace.
2004 Subaru Legacy QuestionsHow much should it cost to replace timing belt, kit, water pump, pulleys, tensio (1 answer)
When car is under 60 mph and AC is on? When AC is not on or car is over about 60 mph, the noise is not there.
2004 Subaru Legacy RecallsPassenger Airbag Inflator
Moisture sensitive airbag system components may deteriorate in humid climate regions, causing an increase in inflator pressure which ruptures when passenger airbags are deployed. Injury can result from inflator parts striking an occupant. Dealers will replace affected airbag inflators to correct this concern. Subaru is the manufacturer of Saabs affected by this recall. This recall supersedes Subaru recall 14V-471.
This limited regional recall is for vehicles currently registered or first sold in Florida, Puerto Rico, Hawaii and the U.S. Virgin Islands, and equipped with Takata-brand air bag inflators. Upon deployment the driver and/or passenger airbag inflator could rupture, increasing the risk of personal injury. Subaru dealers will replace the affected airbag inflator modules to correct this concern.
This recall applies only to vehicles equipped with Takata-brand air bag inflators. Upon deployment the passenger airbag inflator could rupture, increasing the risk of personal injury. Mazda dealers will replace the affected airbag inflator modules to correct this concern.