Manufacturer-recommended service intervals and open recall alerts for your 2017 Subaru Wrx.
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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.
EXTERIOR LIGHTING:BACK UP LIGHTS:SWITCH
Campaign #22V522000 · Jul 21, 2022
Issue: Subaru of America, Inc. (Subaru) is recalling certain 2015-2021 WRX vehicles. The backup light switch may corrode and become inoperative, which can result in the backup lights not illuminating and the rearview camera image not displaying when the vehicle is in reverse.
Risk: Inoperative backup lights and an inoperative rearview camera can reduce vehicle visibility and driver awareness, increasing the risk of a crash.
Fix: Dealers will inspect and replace the backup light switch, as necessary, free of charge. Owner notification letters were mailed September 16, 2022. Owners may contact Subaru's customer service at 1-844-373-6614. Subaru's number for this recall is WRE-22.
Critical for safety and preventing major damage
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.
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.
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.
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
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
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.
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.
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.
Keeps your vehicle running smoothly and efficiently
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.
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.
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.
Extends the life of your vehicle and improves comfort
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.
What drivers and federal regulators have officially reported about the 2017 Subaru Wrx.
POWER TRAIN
10 NHTSA complaints · 2018-08 → 2022-09
“THROW OUT BEARING GAVE OUT TWICE AT WITHIN FEW THOUSAND MILES IN LESS THAN 1 YEAR. VEHICLE WAS LESS THAN 36,000 MILES. DEALERSHIP REPAIRED IT TWICE. SYMPTOM WAS RATTLING NOISE THAT RESOLVED WHEN CLUTCH PEDAL WAS BEING PRESSED. RATTLING NOISE PRESENT IN GEAR AND IN NEUTRAL.”
“Premature clutch failure due to faulty clutch release fork and bearings.”
ELECTRICAL SYSTEM
6 NHTSA complaints · 2021-05 → 2022-10
“BATTERY DRAINED VERY QUICKLY. LEAVING CAR UNDRIVEN FOR 5 DAYS WOULD RESULT IN DEAD BATTERY. TOOK INTO DEALERSHIP DEC 2019 AND THEY TESTED THE BATTERY, AND FOUND THAT BATTERY WAS BAD!AND REPLACED THE BATTERY.”
“Vehicle suffers from repeated battery drain issues - continue to replace top of the line batteries in the vehicle because they are constantly draining”
ENGINE
5 NHTSA complaints · 2019-12 → 2026-05
“Experienced catastrophic engine failure with no known cause. The car had been inspected and had an oil change 3,000 miles prior to the incident. Thankfully, I had already exited the thruway and was on a quiet backroad…”
“Engine failure on the highway driving 60mph , Rod bearing failed causing engine to be destroyed (new block , new pistons, new head needed).…”
EXTERIOR LIGHTING
5 NHTSA complaints · 2022-09 → 2024-10
“The contact owns a 2017 Subaru WRX. The contact stated that while shifted into reverse, the rear-view camera and the back-up lights failed to operate as needed. There was no warning light illuminated.…”
VISIBILITY/WIPER
3 NHTSA complaints · 2020-05 → 2021-01
“I WENT TO START MY CAR AND DISCOVERED THAT MY WINDSHIELD CRACKED DIRECTLY IN THE MIDDLE OF THE WINDSHIELD, THERE ISN'T A CHIP OR ANYTHING INDICATING THAT SOMETHING HIT THE WINDSHIELD. IT WAS A U SHAPED CRACK DIRECTLY IN THE MIDDLE.…”
“I PARKED MY CAR IN THE DRIVEWAY AFTER WORK WITHOUT A CRACKED WINDSHIELD. I WENT TO GO TO WORK IN THE MORNING WITH A CRACKED WINDSHIELD. NO IMPACT MARKS.... IT IS AS IF MY WINDSHIELD SPONTANEOUSLY CRACKED WHILE PARKED IN 50 DEGREE WEATHER.…”
ENGINE
5 NHTSA complaints · 2018-08 → 2023-01
“I have a 2017 Subaru WRX that stalls while driving (including at highway speeds) 2 to 3 times every day on my commute to work through the mountains. This has led the vehicle to skid sideways and lose control.…”
“STALLING. I HAVE A 2017 SUBARU WRX CVT. I WAS AT A RED LIGHT AND THE CAR IDLED HARD AND STALLED, AGAIN THIS IS A CVT NOT A MANUAL.”
STEERING
4 NHTSA complaints · 2019-05 → 2023-12
“I RECENTLY EXPERIENCED A STEERING RACK FAILURE DUE TO LEAKING SEALS ON THE GEAR ASSEMBLY ON MY CERTIFIED PRE-OWNED 2017 SUBARU STI. THE POWER STEERING FAILED TO OPERATE BOTH IN MOTION ON THE HIGHWAY AND AT SLOW SPEEDS IN A PARKING LOT AND LOCAL STREETS.…”
“TL* THE CONTACT OWNS A 2017 SUBARU WRX. WHILE DRIVING 30 MPH, THE STEERING WHEEL BECAME DIFFICULT TO TURN AND WAS UNCONTROLLABLE. THE BRAKE PEDAL WAS APPLIED, BUT THE VEHICLE FAILED TO RESPOND. AS A RESULT, THE VEHICLE ACCELERATED AND CRASHED INTO A DITCH.…”
AIR BAGS
4 NHTSA complaints · 2019-05 → 2025-11
“Going about 55mph, I struck a deer head on. It struck towards the center, but more so on the passenger side. During the impact, no airbags deployed, however, based off IIHS videos, it seems likely that they should have.…”
“UNKNOWN. Was hit very hard, approximately at 70mph, on rear passenger corner of car, hit caused my vehicle to slide and hit the guardrail on front end of vehicle, and no airbags deployed at any point in collision. Airbags are intact.…”
Issues on other model years
Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Jul 27, 2026. Investigation data refreshed Jul 27, 2026.
We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific 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 2017 Subaru Wrx 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.