The service and repair manual for the 2010 Subaru Legacy — 3.6L H6 and 2.5L H4 and 2.5L H4 engines, 10 trims. Matched to this exact model year, so the specifications and sequences are the ones Subaru published for your car, not figures carried over from a neighbouring year.
01 / FitmentWhat this manual covers
| Model year | 2010 |
|---|---|
| Engines | 3.6L H6 — 222 cu in, DOHC 2.5L H4 — 150 cu in, SOHC 2.5L H4 — 150 cu in, DOHC, turbocharged |
| Trims | 3.6R Sedan 4-Door · 2.5i Sedan 4-Door · 3.6R Limited Sedan 4-Door · 2.5i Premium Sedan 4-Door · Base Sedan 4-Door · Sport Sedan 4-Door +4 |
| Federal record | 11 recalls · 218 complaints · 240 technical service bulletins (refreshed 2026-08-21) |
02 / InsideSample pages from the 2010 Legacy manual






03 / ContentsSections in the manual
- Quick Lookups 158
- General Information 2,000
- Accessories & Equipment 1,179
- Heating, Ventilation & A/C (HVAC) 235
- Body & Frame 497
- Maintenance 310
- Brakes 612
- Restraints 397
- Drivelines & Axles 206
- Steering 118
- Electrical 622
- Suspension 192
- Engine Mechanical 672
- Transmission 434
- Engine Performance 2,354
- Axle Shaft Nut (Front) 162
- Axle Shaft Nut (Rear) 177
- Pulley 80
04 / Known issuesRecalls on federal record for the 2010 Legacy
- Visibility — windshield wiper/washer › motor · 16V694000If the windshield wiper motor overheats, the wipers may fail, reducing driver visibility and increas.
- Air Bags — frontal › passenger side › inflator module · 16V358000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
- Electrical System · 13V061000The engine may inadvertently start and run for up to fifteen minutes. the engine may continue to st.
- Steering — column · 10V283000Possible circuits affected are the driver's frontal airbag, paddle shifter function, cruise control,.
- Power Train — manual transmission · 10V326000If the transmission gears are not properly lubricated, a groaning sound may begin to develop alertin.
- Electrical System — ignition › switch · 19V297000The engine turning off unexpectedly can increase the risk of a crash. if a crash occurs under this.
- Air Bags — frontal › passenger side › inflator module · 17V014000An inflator rupture may result in metal fragments striking the vehicle occupants resulting in seriou.
- Engine And Engine Cooling — cooling system › hoses/lines/piping/fittings · 10V196000If the fluid is completely leaked during driving, the vehicle will come to a stop, possibly resultin.
- Air Bags — frontal › passenger side › inflator module · 20V002000An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
- Air Bags — frontal › passenger side › inflator module · 20V001000An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
- Air Bags — frontal › passenger side › inflator module · 20V003000An inflator explosion may result in sharp metal fragments striking the driver or other occupants res.
Owners have filed 218 complaints and Subaru has issued 240 technical service bulletins for the 2010 Legacy. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.
FAQQuestions about the 2010 Legacy manual
Is this manual specific to the 2010 Legacy?
Yes. It is the OEM manual matched to the 2010 model year, covering the 3.6L H6 and 2.5L H4 and 2.5L H4 across the 3.6R Sedan 4-Door, 2.5i Sedan 4-Door, 3.6R Limited Sedan 4-Door, 2.5i Premium Sedan 4-Door, Base Sedan 4-Door, Sport Sedan 4-Door, 2.5i Limited Sedan 4-Door, 3.6R Premium Sedan 4-Door, GT Sedan 4-Door, 2.5GT Sedan 4-Door trims. Specifications and procedure sequences are the ones Subaru published for this year.
What 2010 Legacy problems does it help with?
11 recalls are on federal record for the 2010 Legacy, covering visibility, air bags, electrical system. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Subaru dealers.
Does it include 2010 Legacy wiring diagrams?
Yes — the complete wiring diagrams for the 2010 build, alongside repair procedures, specifications and diagnostics.
Is it a subscription?
No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.
RelatedOther Legacy years and 2010 Subaru models
2016 Legacy · 2015 Legacy · 2014 Legacy · 2013 Legacy · 2012 Legacy · 2011 Legacy · 2009 Legacy · 2008 Legacy · 2007 Legacy · 2006 Legacy · 2005 Legacy · 2004 Legacy · all 35 years
2010 Subaru Forester · 2010 Subaru Impreza · 2010 Subaru Outback · 2010 Subaru Tribeca · every 2010 model