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1998 Subaru Legacy Recalls, Problems & Maintenance

The 1998 Subaru Legacy has no open NHTSA recalls. Owners report 7 recurring issue clusters, led by “Corroded fuel filler neck leaking gasoline.” Subaru's symmetrical AWD system places unusually high demands on differential fluid and transfer case service — skipping these is the most common cause of premature drivetrain wear. Older Subarus with the EJ25 engine (pre-2011) require timing belt replacement; FB and FA engines (2011+) use a maintenance-free chain. Subaru's published intervals below align with the owner's manual Schedule II (severe) which most US drivers qualify for.

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No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues & problems for this vehicle

What drivers and federal regulators have officially reported about the 1998 Subaru Legacy.

Reported to NHTSA

Corroded fuel filler neck leaking gasoline

FUEL SYSTEM, GASOLINE

6 NHTSA complaints · 2005-11 → 2010-07

“FUEL (GASOLINE) FILLER NECK FOR THE 1998 SUBARU LEGACY WAGON RUSTS OUT BECAUSE THE TUBE IS BEHIND A PLASTIC MOLDING THAT ACCUMULATES DIRT, SALT, WATER, AND ROTS THE TUBING”
— Owner report, NHTSA ODI #10344688
“THE FUEL FILLER NECK ON THIS VEHICLE WAS COMPLETELY ROTTED (RUSTED PIPE, PLUS ASSOCIATED HOSES WERE ROTTED) AND REQUIRED REPLACEMENT”
— Owner report, NHTSA ODI #10224970
“DT: THE CONTACT STATES WHEN FILLING UP THE VEHICLE THE FUEL FILLER PIPE LEAKS OUT HALF A TANK OF GAS”
— Owner report, NHTSA ODI #10142194

Read all complaints on NHTSA →

Brake pedal to floor with loss of braking

SERVICE BRAKES, HYDRAULIC

4 NHTSA complaints · 1998-10 → 2022-03

“WHEN SITTING AT A LIGHT WITH FOOT ON BRAKES, BRAKES GO STRAIGHT TO THE FLOOR, AND VEHICLE IS MOVING FORWARD”
— Owner report, NHTSA ODI #836749
“WHEN APPLYING THE BRAKES PEDAL WENT TO THE FLOOR AND THE VEHICLE DID NOT STOP”
— Owner report, NHTSA ODI #836971
“BRAKE PEDAL WENT TO FLOOR WHEN APPLIED”
— Owner report, NHTSA ODI #700093

Read all complaints on NHTSA →

Head gasket failure and engine overheating

ENGINE AND ENGINE COOLING

10 NHTSA complaints · 2004-02 → 2008-05

“MY 98 SUBARU LEGACY OUTBACK 2.5 LITER, 144K MILES WAS SPORADICALLY OVERHEATING WHILE DRIVING ON THE HIGHWAY THROUGH A SNOW/RAIN STORM”
— Owner report, NHTSA ODI #10176174
“WHILE DRIVING 60 MPH VEHICLE STALLED. CONSUMER WAS UNABLE TO RESTART VEHICLE”
— Owner report, NHTSA ODI #10087521
“VEHICLE WAS LEAKING ANT FREEZE, WHICH WAS SPLASHING ALL OVER THE ENGINE COMPARTMENT. THIS RESULTED IN THE TEMPERATURE GAUGE READING HOT”
— Owner report, NHTSA ODI #10073575

Read all complaints on NHTSA →

Air bags not deploying in frontal collisions

AIR BAGS

9 NHTSA complaints · 1997-11 → 2012-02

“VEHICLE INVOLVED IN A FRONTAL COLLISION WITH A FIRE HYDRANT. THERE WAS SUBSTANTIAL DAMAGE TO THE VEHICLE AND THE HYDRANT DID BREAK AWAY AS DESIGNED. AIR BAG DID NOT DEPLOY”
— Owner report, NHTSA ODI #10359674
“WHILE DRIVING 45 MPH, THE CONTACT LOST CONTROL OF THE VEHICLE AND CRASHED INTO A GUARDRAIL. NONE OF THE AIR BAGS DEPLOYED”
— Owner report, NHTSA ODI #10207443
“DURING A FRONT END COLLISION DRIVER AND PASSENGER SIDE AIR BAGS FAILED TO DEPLOY”
— Owner report, NHTSA ODI #552866

Read all complaints on NHTSA →

Engine piston slap and knocking noise when cold

ENGINE AND ENGINE COOLING

7 NHTSA complaints · 2000-04 → 2004-02

“I AM GETTING A LOUD SLAPPING NOISE FROM THE ENGINE ON COLD STARTS IT LAST FOR ABOUT TEN TO FIFTEEN MINUTES OR UNTILL THE ENGINE WARMES UP”
— Owner report, NHTSA ODI #735272
“ENGINE PISTON NOISE CONTINUAL, CONSUMER HAS TAKEN VEHICLE IN TO DEALERSHIP ON SEVERAL OCCASSIONS”
— Owner report, NHTSA ODI #560735
“ASKED ANOTHER AUTOMOBILE REPAIR FACILITY ABOUT THE NOISE AND THEY CLAIM SUBARU HAD A HISTORY OF PISTON SLAP THAT WILL EVENTUALLY GET WORSE RESULTING IN BURNING OIL AND ENGINE DAMAGE”
— Owner report, NHTSA ODI #10016264

Read all complaints on NHTSA →

Sudden unintended acceleration

VEHICLE SPEED CONTROL

5 NHTSA complaints · 1999-04 → 2001-12

“WHEN PULLING INTO A PARKING SPACE WITH FOOT ON BRAKE VEHICLE WILL BEGIN TO RACE, AND SUDDENLY ACCELERATE CAUSE UNKNOWN”
— Owner report, NHTSA ODI #870657
“THIS CAR ACCELERATED SUDDENLY AND SPONTANEOUSLY WHILE I WAS SHIFTING FROM REVERSE TO DRIVE”
— Owner report, NHTSA ODI #724364
“VEHICLE WAS IN PARK AND TOOK OFF WITHOUT PRIOR WARNING”
— Owner report, NHTSA ODI #899992

Read all complaints on NHTSA →

Hood latch failure with hood opening

LATCHES/LOCKS/LINKAGES

3 NHTSA complaints · 2001-07 → 2009-03

“WHILE DRIVING 50 MPH HOOD FLEW OPEN, WINDSHIELD WAS BROKEN”
— Owner report, NHTSA ODI #892984
“IN 2004 MY HOOD LATCH FAILED EMERGENCY LATCH AND HOOD FLEW UP AND CRASHED MY WINDSHIELD”
— Owner report, NHTSA ODI #10260764
“1998 SUBARU LEGACY HOOD LATCH FAILED IN HIGH WINDS”
— Owner report, NHTSA ODI #10146497

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 20, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Raw data + downloads for this vehicle →

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter

Every 6,000 mi

Replace 0W-20 full-synthetic oil and filter every 6,000 miles. WRX/STI 2.0L/2.5L turbo: 3,750 miles. Non-turbo FB engines: 6,000 miles severe / 10,000 normal.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate tires every 7,500 miles. Critical on Subaru AWD — uneven tread depth across all 4 tires (>2/32") forces the center differential to bind, damaging the AWD coupling.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect brake pads, rotors, calipers, and parking brake every 7,500 miles. Outback and Forester pads commonly last 35,000-50,000 miles depending on terrain.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Front Differential / Manual Transmission Fluid

Every 30,000 mi

Replace front differential and manual transmission fluid every 30,000 miles. CVT models use proprietary Subaru CVT fluid — a separate item.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

Rear Differential Fluid

Every 30,000 mi

Replace rear differential fluid every 30,000 miles. Use Subaru 75W-90 GL-5 — substitutes can cause whining noises within months.

Estimated cost — typical U.S. ranges

Dealer

~$150–$195

Shop

~$105–$135

DIY

~$20–$50

CVT Fluid (Lineartronic)

Every 30,000 mi

Subaru CVT models (Outback, Legacy, Forester, Crosstrek, Impreza, Ascent): replace Lineartronic CVT fluid every 30,000 miles severe / 60,000 normal. Subaru High-Torque CVT-II fluid only — incorrect fluid destroys the chain-and-pulley system.

Estimated cost — typical U.S. ranges

Dealer

~$360–$500

Shop

~$255–$355

DIY

~$80–$180

CVT fluid is manufacturer-specific and pricey — do NOT substitute conventional ATF.

Timing Belt (EJ25 engines, pre-2011)

Every 105,000 mi

Older Subarus with the EJ25 boxer engine (Forester, Outback, Legacy 1996-2010): replace timing belt every 105,000 miles. FB and FA boxer engines (2011+) use a chain — no scheduled replacement.

Estimated cost — typical U.S. ranges

Dealer

~$935–$1175

Shop

~$655–$825

DIY

Pro only

On interference engines, a snapped belt destroys valves. Worth doing on schedule. Bundle water pump + tensioner — labor is already there.

Brake Fluid

Every 30,000 mi

Replace DOT 3 brake fluid every 30,000 miles or 30 months. Subaru's brake hold and EyeSight automatic emergency braking depend on uncontaminated fluid.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Engine Air Filter

Every 30,000 mi

Replace engine air filter every 30,000 miles. WRX/STI: inspect every oil change due to the higher airflow demand of the turbo intake.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Spark Plugs

Every 60,000 mi

Iridium plugs every 60,000 miles on FB engines. WRX/STI 2.5L turbo: 30,000 miles due to higher cylinder pressures and EGT.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Super Coolant

Every 30,000 mi

Subaru Super Coolant (blue): first change at 137,500 miles or 11 years, then every 30,000 miles. Do not substitute green or orange — head gasket sealing chemistry depends on the formula.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 15,000 mi

Replace cabin air filter every 15,000 miles. Behind the glove box on most Subaru models.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

182 crashes 1990–2024

How the 182 occupant deaths break down

138

driver deaths

44

passenger deaths

182

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 1997 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.

Why we show driver deaths too

Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.

Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.

IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

17

complaints mentioning a crash

2

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 1998 Subaru Legacy reflects Subaru's published service intervals. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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